[Q] Impacts of Rooting Nexus 7 - Stability - Nexus 7 Q&A, Help & Troubleshooting

I'm new to the whole Android thing but I used to install lots of roms on my trusty old Windows Mobile devices over the years. I remember then that trying out different roms sometimes meant things would stop working.
Here's my problem. I have a Nexus 7 and it works fine on stock unrooted 4.1.2. I think. I've used the Nexus Root Toolkit to (very easily) unlock and root it. When rooted on stock rom (4.1.1 or 4.1.2), it takes a couple of seconds to turn on from sleep, sometimes needs to reboot, sometimes the gyroscope/acceslerometer locks and doesn't work as it should...
Is a rooted Nexus 7 less stable/reliable than an unrooted one?

littld said:
I'm new to the whole Android thing but I used to install lots of roms on my trusty old Windows Mobile devices over the years. I remember then that trying out different roms sometimes meant things would stop working.
Here's my problem. I have a Nexus 7 and it works fine on stock unrooted 4.1.2. I think. I've used the Nexus Root Toolkit to (very easily) unlock and root it. When rooted on stock rom (4.1.1 or 4.1.2), it takes a couple of seconds to turn on from sleep, sometimes needs to reboot, sometimes the gyroscope/acceslerometer locks and doesn't work as it should...
Is a rooted Nexus 7 less stable/reliable than an unrooted one?
Click to expand...
Click to collapse
Rooting doesn't make a difference on stability (or shouldn't)
All rooting does is give you admin rights to parts of the phone not accesible without rooted. Basically...
Customer ROM's for the Nexus at the moment (and sorry about this devs but its true) are not yet up to par with the Stock ROM.
Its stable pretty fast and not bad with battery.
Hope this helps.

Right so after lots of erratic behaviour with rooted stock 4.1.2, I unrooted and relocked the boot loader. It was better already but I've also run the Forever Gone thing and it's now working perfectly.
I would like to root again but not at the expense of stability. I had previously use the Toolkit if it makes any difference.

littld said:
Right so after lots of erratic behaviour with rooted stock 4.1.2, I unrooted and relocked the boot loader. It was better already but I've also run the Forever Gone thing and it's now working perfectly.
I would like to root again but not at the expense of stability. I had previously use the Toolkit if it makes any difference.
Click to expand...
Click to collapse
Rooting and/or unlocking the bootloader will have no direct effect on stability. What you do with your device after rooting is entirely a different issue.

Wilks3y said:
Rooting doesn't make a difference on stability (or shouldn't)
All rooting does is give you admin rights to parts of the phone not accesible without rooted. Basically...
Customer ROM's for the Nexus at the moment (and sorry about this devs but its true) are not yet up to par with the Stock ROM.
Its stable pretty fast and not bad with battery.
Hope this helps.
Click to expand...
Click to collapse
This would be true if it weren't a Nexus device. We can more or less compile the same ROM that Google shipped. CyanogenMod 10 in my experience has been rock solid stable, though obviously there are still some bugs, I have encountered none. I also used EOS for a little, and that was equally great.

littld said:
Is a rooted Nexus 7 less stable/reliable than an unrooted one?
Click to expand...
Click to collapse
Nope.
IF you flash a non stock rom and/or kernel, then it depends on what you use. Read notes and user replies.
Sometimes I do get random shut downs when not in use, both while charging and not charging. I am not sure if that is a 4.1.2 issue or if it's tied to the rom I'm using. Have had it happen on two different roms.

alkemist80 said:
Nope.
IF you flash a non stock rom and/or kernel, then it depends on what you use. Read notes and user replies.
Sometimes I do get random shut downs when not in use, both while charging and not charging. I am not sure if that is a 4.1.2 issue or if it's tied to the rom I'm using. Have had it happen on two different roms.
Click to expand...
Click to collapse
I lost the ability to control the music app with my headphone controls after rooting, it didnt happen when I opened the box and played with the nexus

Some apps are written to block rooted devices but there's no way the mere act of unlocking and rooting would affect overall stability.
Sent from my Nexus 7 using Tapatalk 2

After a day on stock rom I thought it was settled but no...
The battery drained down and after that it kept getting stuck at the Google Cross animation. I spent a while re-flashing stock rom and eventually it starts up. Sometimes. The accelerator issue remains but it is less frequent.
I contacted Google who put me on to Asus. They are going to send me an RMA number and we'll take it from there.

how do you revert or reset to a factory state???
I´m new with the nexus 7 so really have no clue

To reset your device, go to "settings", then "backup & reset", and finally "factory data reset".

The difficult in waking is something I went through with my N7. I found there is a bug with the auto-brightness setting. If I use the manual option I don't experience any problems.
I rooted my N7 the day I got it (had experience with SGS and Gnex) and haven't looked back. I haven't had any other issues than the "sleep of death".
Hope this helps.

alankstiyo said:
how do you revert or reset to a factory state???
I´m new with the nexus 7 so really have no clue
Click to expand...
Click to collapse
Bit Banger said:
To reset your device, go to "settings", then "backup & reset", and finally "factory data reset".
Click to expand...
Click to collapse
If you mean stock non rooted, then the above will set you back to factory.
If you are rooted, that will not remove the root. You will need to flash a stock image to completely return to stock and then re-lock the bootloader.

I seem to have had more problems if the power runs down. I have turned off the auto brightness and I agree it's better in terms of starting up. I still have the issue with rotation not always working. Also, I notice it takes several seconds for the screen to come on when I press the power button. Is that normal?

littld said:
I seem to have had more problems if the power runs down. I have turned off the auto brightness and I agree it's better in terms of starting up. I still have the issue with rotation not always working. Also, I notice it takes several seconds for the screen to come on when I press the power button. Is that normal?
Click to expand...
Click to collapse
No, that is not normal, whether you're rooted or not.
Sent from my Nexus 7 using xda app-developers app

alkemist80 said:
If you mean stock non rooted, then the above will set you back to factory.
If you are rooted, that will not remove the root. You will need to flash a stock image to completely return to stock and then re-lock the bootloader.
Click to expand...
Click to collapse
will the toolkit help me do this???
if so will it delete the sd card??
Sent from my Nexus 7 using xda app-developers app

Okay now it's getting weird. I got an RMA number and they are due to collect it tomorrow and fix it. Since I got the RMA number it has behaved perfectly. I did make a video of the problems but since making the video I've not been able to reproduce them. The battery is down to 14% now, will see what happens when it is fully drained. One major difference is the power button instantly switches the device on whereas it used to wait a few seconds.
Can hardware just fix itself like that? I'm concerned they'll get it and say they can't detect any problems and charge me for the shipping...
I'll keep on testing until morning but if you guys have any ideas please let me know.

alankstiyo said:
will the toolkit help me do this???
if so will it delete the sd card??
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
I've used Wug's toolkit to return to compete stock. It will wipe everything. It's a two step process, you will still need to lock the boot loader. Go read the thread in the Android development section.
Sent from my PG86100 using xda app-developers app

It's fine, even rooted so have cancelled the RMA. Hopefully it was just a short term fluke.

Several weeks on I have had no more repetition of these problems. I did have a line flicker occasionally before installing 4.2 but even that problem has gone away now. I just don't understand how the behaviour can be so unpredictable like it needed to settle into its new home or something.

Related

Freezing of Nexus S

Am I the only one? Every Jelly Bean ROM has the same problem. Sometimes it freezes, and it won't do a thing, I can't even unlock it, it just sits there, black, I can only reboot it by pulling out the battery. It's so annoying. At least 4 times a day. How do I fix this? I tried PA, Stock JB, and now I'm on latest CM10 nightly, I wiped cache and dalvik every time before I flashed a new ROM.
I hope you can help me.
Even I have problem with JB , it hangs for 2 3 seconds n becomes normal. No need to pull the battery n all , it becomes normal by itself. Using stock 4.1
Sent from my Nexus S using xda premium
JavaJunkay said:
Am I the only one? Every Jelly Bean ROM has the same problem. Sometimes it freezes, and it won't do a thing, I can't even unlock it, it just sits there, black, I can only reboot it by pulling out the battery. It's so annoying. At least 4 times a day. How do I fix this? I tried PA, Stock JB, and now I'm on latest CM10 nightly, I wiped cache and dalvik every time before I flashed a new ROM.
I hope you can help me.
Click to expand...
Click to collapse
I had the same issue - except that I was in ICS stock...
got worse and worse in time - in the end I even couldn't use my keyboard anymore (whole lower part was unresponsive)
I testet it with some apps from the market which showed that the lower part of my screen didn't response to any inputs
solution was to take my nexus s to a repair center and they replaced the whole touch screen unit
Can you send me links of those apps? My touchscreen responds well but the problem is that the phone entirely hangs, and when I lock it, I can't unlock it anymore. It is I9023
Sent from my Nexus S
Only cache and dalvik..?
That's not a clean install...
Do a clean install!
+ you have to don't touch anything for few minutes after first boot...
Sent from my Nexus S using Tapatalk 2
I had mine do that on the stock ICS .. It would also shut off and wouldn't charge or anything.. Had to pull the battery.. Dunno what was causing it to lag and go bonkers like that.. I never had any 3rd party apps installed.
JavaJunkay said:
Can you send me links of those apps? My touchscreen responds well but the problem is that the phone entirely hangs, and when I lock it, I can't unlock it anymore. It is I9023
Sent from my Nexus S
Click to expand...
Click to collapse
that's the way it started on my phone as well
- sometimes it did not respond to slide to unlock (OUPS may I say slide to unlock or am i getting sued by apple now)
- some characters on the keyboard did not work or it randomly selected any character
- whole lower part of keyboard didn't work
and so on...
this one showed that the lower part did not respond to inputs...
https://play.google.com/store/apps/details?id=org.hermit.touchtest&feature=search_result
Wipe data/factory reset before flashing a ROM. Stock launcher was also causing big freezes on early 4.1 builds. Have you tried with another launcher?
Envoyé depuis mon Nexus S avec Tapatalk
Yes I forgot to say I always wipe, of course. I use Nova launcher, not Trebuchet. Link to market didn't work
Sent from my Nexus S
I think I fixed it. I deleted a MIUI folder on my SD card. Dunno what was it doing there, wipe didn't include it I guess. It took about 200mb of data from MIUI ICS to JB I had some time ago. It doesn't lag now.
I hope this helps someone.
Sent from my Nexus S
JavaJunkay said:
I think I fixed it. I deleted a MIUI folder on my SD card. Dunno what was it doing there, wipe didn't include it I guess. It took about 200mb of data from MIUI ICS to JB I had some time ago. It doesn't lag now.
I hope this helps someone.
Sent from my Nexus S
Click to expand...
Click to collapse
Hope it works out for you .. I had to have my phone replaced something got spanked on my old one.. It was all stock..
happens to me countless times a day that im super annpyed by it to the point that i'm just used to it by now. whenever it happens though, i just shut my screen off, not look at it, wait 30~40 or so seconds til it gets back to normal
Most Jellybean ROMs run much better than any previous versions for me on my Nexus S 4G. I always wipe and format all relevant partitions. I also at one point wiped the internal/SD storage on my phone. I have seen a weird flicker then freeze happen on all JB Roms/kernels but only happens once a month if less. Currently running RASBEAN JELLY and Bedalus's Marimite 4.7 kernel. Maybe try different launchers? Also try running phone without doing Google Restore. Slowly add back apps to identify the prob. Don't get why so many are having these issues w JB
kurigowa said:
Most Jellybean ROMs run much better than any previous versions for me on my Nexus S 4G. I always wipe and format all relevant partitions. I also at one point wiped the internal/SD storage on my phone. I have seen a weird flicker then freeze happen on all JB Roms/kernels but only happens once a month if less. Currently running RASBEAN JELLY and Bedalus's Marimite 4.7 kernel. Maybe try different launchers? Also try running phone without doing Google Restore. Slowly add back apps to identify the prob. Don't get why so many are having these issues w JB
Click to expand...
Click to collapse
Mostly because they use ****ty thrown together kernels.
My phone never freezes, sometimes it gets stuck but just for a sec. Im totally stock!
sent from my Nyan NeXus S
"You're either NEXUS or against us!"

[Q] Is Nexus 7 supposed to be this way? (laggy)

Nexus 7 32GB is my first android device. Before I bought it, most people were saying that android is finally smooth, project butter and so on. But that's not the case here. I'm on 4.2.2 stock, have currents sync disabled, my storage is only half full, and my Nexus is starting to get on my nerves.
- screen rotation takes exactly 4 seconds, no exception.
- apps sometimes freeze, forcing me to force close them or even reboot occasionally.
- even some simple games, like Dragonvale, run like stop motion in certain segments.
- when I install ANY app, it seems that android service responsible to put icon on my home screen takes 100% CPU time for 10-15 seconds or so.
- when there are app updates, my nexus is unusable. Takes 10+ seconds for any action.
Say what you want about windows phone, but that thing flies. Am I maybe spoiled by it's buttery smoothness so android by comparison irritates me, or is there really something wrong with my Nexus? I already did hard reset once, early on. It did not help. Should I try again? If so, what backup solution is the easiest?
I know I might be asking a lot and that there are threads about this already, but info is scattered, and there are numerous contradicting opinions and advices. Basically I am just not sure if this is how it's supposed to be, or should I try something.
The lag after installing app is there because of R/W being made to internal memory. App's icons on homescreen are being placed by Play. You can disable it in it's settings. But the rest sounds like a rouge app. Are you sure this lag is there even after fresh system installation?
Odoslané z Galaxy Nexus cez Tapatalk 2
Root, get Franco, disable fsync, enjoy.
Sent from my Nexus 7 using xda app-developers app
Terepin said:
The lag after installing app is there because of R/W being made to internal memory. App's icons on homescreen are being placed by Play. You can disable it in it's settings. But the rest sounds like a rouge app. Are you sure this lag is there even after fresh system installation?
Odoslané z Galaxy Nexus cez Tapatalk 2
Click to expand...
Click to collapse
How do I detect a rouge app? Task manager? Can you recommend one?
It was slow to start with. Disabling currents sync did not help. And I did do reset in the first few days. Did not help.
Now, it's just even more slower. Perhaps by as much as 50% in some actions, if I can put a number on a subjective impression.
Dr.Molestratus said:
Root, get Franco, disable fsync, enjoy.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
Rooted, don't want to mess with kernels and ROMs, what's fsync?
While I'm at it, I rooted with wugfresh rootkit, worked flawlessly, but I can't install adaway. Any thoughts?
d.a.v.o.r said:
Rooted, don't want to mess with kernels and ROMs, what's fsync?
While I'm at it, I rooted with wugfresh rootkit, worked flawlessly, but I can't install adaway. Any thoughts?
Click to expand...
Click to collapse
Well if you want better performance... ROMs and kernels are the things to mess with.
Sent from my Nexus 7 using Tapatalk HD
You should probably flash a ROM/kernel for best performance. But if you still don't want to mess with ROMs, reflash the stock rom and reroot it. That's what helped me.
I've had some issues with my phone lagging during/after app update, and i've only recently nailed down the culprit. Turns out it was the Root Uninstaller app that was making backups of older versions of the apps during the update, it ceased after i turned off the option in it's settings (or just uninstall). My guesstimate would be that you have some app that is doing just that. Because my own n7 doesn't noticeably lag even if i try to update many (as much as 10) apps at the same, which usually kills my single-core SGSL into a reboot shortly after trying this.
I think 4.2 is just buggy. It flies for me sometimes and on some devices, and sometimes it crawls horribly. Maybe the next android version will fix this, maybe not
Sent from my Nexus 4 using Tapatalk 2
This helped me a little (If you don't use Currents then this could help)
1. Go to Settings > Apps > All (swipe right 2 times) > Currents
2. Click "Force Stop"
3. Click "Disable"
It should be now fixed for some of it. Like the earlier posts suggest, maybe reflashing stock ROM or installing a kernel (once you're comfortable) will help for sure.
It seems messing with kernels and roms is the best way to do it.
And even though I'm asking this on XDA, I'm not really comfortable with that, especially considering that I've come across the word "bricked" many a times. Especially since I have almost two years of warranty left.
I'll give it a thought and see if I'll go along. It depends how irritating the lag becomes. But by the looks of it, I'll end up with a windows 8/blue tablet next time around, when the next gen silicone from AMD and Intel is ready. I'm much more comfortable with windows environment.
AW: [Q] Is Nexus 7 supposed to be this way? (laggy)
If you're having a lot of apps installed you can get ram problems. Some apps are running in the background even if they don't need to. If you wanna know which apps those are simply go to apps and swipe to the second panel. There you can see which asps are running in the background .You should delete them. If you don't want to do that simply download the app Greenify
(You should have more than 200mb free)
Sent from my Nexus 7 using xda app-developers app
Entropy generator, I just use pimp my ROM, even on stock rooted.
Sent from my Nexus 7 using xda app-developers app
I'm on paranoid 2.54 which is 4.1 and it feels faster than cm10.1 I miss 4.2.2 fonts but I'll see If I get it.
BR.
d.a.v.o.r said:
It seems messing with kernels and roms is the best way to do it.
And even though I'm asking this on XDA, I'm not really comfortable with that, especially considering that I've come across the word "bricked" many a times. Especially since I have almost two years of warranty left.
I'll give it a thought and see if I'll go along. It depends how irritating the lag becomes. But by the looks of it, I'll end up with a windows 8/blue tablet next time around, when the next gen silicone from AMD and Intel is ready. I'm much more comfortable with windows environment.
Click to expand...
Click to collapse
Get rid of your Nexus and buy a bloody surface then?
In regards to your question, if you've Rooted but cannot install Adaway then it seems you haven't rooted correctly.
This may be the source of your issues.
As explained before, factory reset, re-root and then if you really wanna see it fly take our advice.
A good start is Paranoid Android and Faux123 Kernel (I've been using this combo since I bought my nexus, and yes I've tried other combo's I just can't stay away). Paranoid is an epic ROM, and IMO Faux cannot be beaten. He finds the absolute perfect point between performance and battery !!.
Unless you seriously can't follow directions you won't brick your device. People throw that term around when they are far from bricked. Just make sure you understand the steps of anything you are doing and use good sense. If things go sideways, don't just start doing things blindly. Research the problem you are having, and ask for help if you need it.
But you shouldn't have to run a custom rom to get smooth performance. Like has been suggested I'd go back to stock. Root, and add things back as you need them. See if it runs smooth with only a basic set of apps installed.
Your N7 will be fastest on a custom ROM/kernel. But it should be perfectly usable on a stock setup.
Note 2 - Nexus 7 - Charge - Player 5.0 - Fascinate
<><><><><><><><><><>
Read twice, flash once
Wilks3y said:
Get rid of your Nexus and buy a bloody surface then?
In regards to your question, if you've Rooted but cannot install Adaway then it seems you haven't rooted correctly.
This may be the source of your issues.
As explained before, factory reset, re-root and then if you really wanna see it fly take our advice.
A good start is Paranoid Android and Faux123 Kernel (I've been using this combo since I bought my nexus, and yes I've tried other combo's I just can't stay away). Paranoid is an epic ROM, and IMO Faux cannot be beaten. He finds the absolute perfect point between performance and battery !!.
Click to expand...
Click to collapse
RT is a joke, and PRO is too expensive and has awful battery life. I'll wait and see how temash and baytrail turn out to be. But that's besides the point, since I'll still keep nexus as an ultra-mobile device.
In any case, can I backup all the data, reset, and get EVERYTHING back, or will I need to do something manually? I'll definitely try to reset/re-root.
But I don't see what I did wrong. I mean, I can install every app on the market that requires root
ezas said:
Unless you seriously can't follow directions you won't brick your device. People throw that term around when they are far from bricked. Just make sure you understand the steps of anything you are doing and use good sense. If things go sideways, don't just start doing things blindly. Research the problem you are having, and ask for help if you need it.
But you shouldn't have to run a custom rom to get smooth performance. Like has been suggested I'd go back to stock. Root, and add things back as you need them. See if it runs smooth with only a basic set of apps installed.
Your N7 will be fastest on a custom ROM/kernel. But it should be perfectly usable on a stock setup.
Click to expand...
Click to collapse
Ok, I'll try it. First with reset.
But also, my nexus is usable, it's just not pleasant to use.
d.a.v.o.r said:
RT is a joke, and PRO is too expensive and has awful battery life. I'll wait and see how temash and baytrail turn out to be. But that's besides the point, since I'll still keep nexus as an ultra-mobile device.
In any case, can I backup all the data, reset, and get EVERYTHING back, or will I need to do something manually? I'll definitely try to reset/re-root.
But I don't see what I did wrong. I mean, I can install every app on the market that requires root
Ok, I'll try it. First with reset.
But also, my nexus is usable, it's just not pleasant to use.
Click to expand...
Click to collapse
It honestly shouldn't lag like that. Even bone stock.
One thing you can do right away is go into developer settings (click 7 times on Build Number in About Tablet to enable) and change all animation settings to.5 or to none.
DL Root Checker, or just try to use any root app to see if you actually do have root. Even with the wonderful toolkits (which will also save your bacon if you get into a bootloop) getting root to stick can be tricky...you may have to run it a couple of times.
But the best results will come if you flash a custom rom and kernel. if you like a tweaked stock experience, try CleanRom Inheritance. It uses the Aroma installer, so it's very easy and customizable. It can be found under Android Development.
d.a.v.o.r said:
RT is a joke, and PRO is too expensive and has awful battery life. I'll wait and see how temash and baytrail turn out to be. But that's besides the point, since I'll still keep nexus as an ultra-mobile device.
In any case, can I backup all the data, reset, and get EVERYTHING back, or will I need to do something manually? I'll definitely try to reset/re-root.
But I don't see what I did wrong. I mean, I can install every app on the market that requires root
Ok, I'll try it. First with reset.
But also, my nexus is usable, it's just not pleasant to use.
Click to expand...
Click to collapse
You can use titanium backup. It there others like carbon. But titanium has been around the longest and it's my preferred way. Requires root, and it should warn you at start up if you aren't rooted correctly.
I would do as others suggested and just restore basic apps after factory reboot and re root. Then slowly restore others to see if you notice other problems along the way.
Also, if you didn't know. You can install kernels without wiping tablet and changing the whole Rom. I would definitely try that eventually too.
One more thing to note. Don't judge android on chrome (not that you mentioned it, but I know a lot of newbies have). It's one of the slowest browsers. It has tons of great features which I love, but do slow compared to most others. I wish I wasn't so addicted to its syncing.
Thanks to everyone on advices.
1) root checker says I do not have proper root. Now that I think about it, I did update my Nexus 7 from 4.2.1 to 4.2.2. I guess that also removed root.
2) I will reset. I don't really have any messages or photos or app data that is not already in the cloud that I need to backup.
3) I'll try to gradually install everything app by app to see if it's a rouge app.
4) I'll than revive this thread with my results. Though I doubt I'll get to doing all that in the next few days.
Again, thanks everyone!

[Q] Nexus 4 Random Power Off

As the title states. Nexus 4 random power offs. Has anyone seen anything like this?
Here is the background info:
My parents have Nexus 4 phones as do I. All of our phones were ordered at the same time about 2 months or so ago when they became available again. All phones are the 16GB version. All phones bone stock with just OTA updates, not unlocked or rooted other than how they are shipped. All using T-Mobile prepaid plans.
My phone and my father's seem fine. My mom's however seems to shutdown on its own. It is random. Initially I thought that it may be an issue where she isn't used to a smart phone and isn't charging it enough. It happens though at times while it is connected to the charger. It also has happened while carrying it off the charger.
One odd thing is that when they got the phone they brought them to my house and dropped them off to have me set them up. One had the plastic screen protector with the printing on it from the factory the other didn't. I don't know which is which though now. It is a 50/50 shot if this is the one.
I have been around android since the G1 days and run the same phone. I can't think of a setting on the phone that would power it down at a certain time or period of time. She really doesn't have much for apps and is a very light user.
Not sure what to try but I was thinking about doing a wipe of the phone to see if it helps.
Anyone else have any ideas? If the wipe doesn't help the only other thing I can think of is that there is a physical issue with the phone.
I haven't seen this on my phone but there was a period of time where HD Widgets on my N7 would cause a reboot. That was fixed with an app update. This isn't a case where the device reboots. It is a complete shutdown which I find odd. So I have seen an app cause issues kind of like this. For the most part the apps that she has on her phone, I also have on mine. Well I have way more but there really isn't anything on her phone that I am not also running.
I should add that she has the phone in a TPU case. As we all do. My case design is a little different than theirs but they have cutouts for the buttons. So it isn't a case where the case is pressing on the power button. That could be an issue with my case as it covers the power button but I haven't had that issue.
Thanks
Sounds like it might be a defective battery...
Sent from my Nexus 4 using xda app-developers app
BigDig said:
Sounds like it might be a defective battery...
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
That is what I am kind of thinking. Either the battery or the smart battery chips. I think I will try a wipe first but like I said but it is odd.
sennister said:
One odd thing is that when they got the phone they brought them to my house and dropped them off to have me set them up. One had the plastic screen protector with the printing on it from the factory the other didn't. I don't know which is which though now. It is a 50/50 shot if this is the one.
Thanks
Click to expand...
Click to collapse
That sounds kind of questionable (fishy) to me... I also have the 16GB version, and I also did the OTA when I got it. But to be honest the stock OS lasted only about an hour before I rooted and started trying out custom ROMs I have not had the issue you're describing though. How are the results from your factory reset?
Also, would you consider putting on a stock-based custom ROM (such as rasbean vanilla) for your mother's phone? If the problem is software based then a reset or a new ROM might yield different results. But if the problem persists it might be hardware and I'd suggest you contact Google about servicing.
amartolos said:
That sounds kind of questionable (fishy) to me... I also have the 16GB version, and I also did the OTA when I got it. But to be honest the stock OS lasted only about an hour before I rooted and started trying out custom ROMs I have not had the issue you're describing though. How are the results from your factory reset?
Also, would you consider putting on a stock-based custom ROM (such as rasbean vanilla) for your mother's phone? If the problem is software based then a reset or a new ROM might yield different results. But if the problem persists it might be hardware and I'd suggest you contact Google about servicing.
Click to expand...
Click to collapse
I don't want to root and have my mom run a modified ROM. They live about a half hour from me so I haven't tried a wipe of the phone yet and because of the distance I don't want to deal with the issues that sometimes come up when you go with modified ROMs when I am not there. She is a very basic user and this is the first smartphone for my father and mother. Keep in mind they are in their early 70s and not really that strong on the tech side of things. I have to get some time to run over there and take a look at it. Maybe later next week.
I was just wondering if anyone else has had this issue. I think if a wipe doesn't help I will talk to Google. A search really didn't show much other than some people that were seeing a random reboot issue. I have seen apps doing that.
I have been through their warranty replacement process and it is a bit of a PITA. I am on my 3rd Nexus 7 due to hardware issues with the first 2. My N4 and my fathers have been rock solid.
While I have run custom ROMs in the past, I usually run stock until I find a need that requires me to root. Eventually I will probably root and go with a custom ROM on my N4 but
sennister said:
She is a very basic user and this is the first smartphone for my father and mother. Keep in mind they are in their early 70s and not really that strong on the tech side of things.
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Click to collapse
Yeah, I know what you mean. I'm giving my parents my old LG P990 phone and I just put an AOKP rom on it. I also installed Nova Launcher for them and configured it so there's just one texting app and one calling app the one and only one homescreen. No dock either, just in case they click something by accident or get lost in the app drawer
Since you have the same phone as your mom, a self-less workaround would just be to give her yours (pre-configured), and then you can fiddle around with the problematic one until you find a decent solution. :good:
amartolos said:
That sounds kind of questionable (fishy) to me... I also have the 16GB version, and I also did the OTA when I got it. But to be honest the stock OS lasted only about an hour before I rooted and started trying out custom ROMs I have not had the issue you're describing though. How are the results from your factory reset?
Also, would you consider putting on a stock-based custom ROM (such as rasbean vanilla) for your mother's phone? If the problem is software based then a reset or a new ROM might yield different results. But if the problem persists it might be hardware and I'd suggest you contact Google about servicing.
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Click to collapse
amartolos said:
Yeah, I know what you mean. I'm giving my parents my old LG P990 phone and I just put an AOKP rom on it. I also installed Nova Launcher for them and configured it so there's just one texting app and one calling app the one and only one homescreen. No dock either, just in case they click something by accident or get lost in the app drawer
Since you have the same phone as your mom, a self-less workaround would just be to give her yours (pre-configured), and then you can fiddle around with the problematic one until you find a decent solution. :good:
Click to expand...
Click to collapse
Hmm. That is a good idea. The PITA part would be to get everything loaded from my phone to hers. I really wish I could run Titanium backup without root as it would make it super easy to move the apps over. Though I don't have that much loaded on my phone. Things that are a pain to set up have configuration export methods like Tasker. It would rule out the end user being the source of the issue. I don't think that is it though. If we swap and it goes away, then I can consider the wipe as the solution. If the problem moves to me then it is a physical issue and call Google. If the problem persists with her, I load all her apps on the phone I carry as well to see if I start to have the issue or it becomes a training issue. The thing I like about this the most is that it is a clear process to rule out several things. I can go over there and sit with the phone but if it doesn't power off when I am there I don't gain much other than spending some time with my parents.
I don't think this is an issue but I did have to provide my IMEI# when doing the activations. In the past though on T-Mobile I have handed phones down to others and all we did was a SIM swap. I would imagine that is the case here.
Oh and one thing I did leave out. They were using their old cell phone chargers on the N4 phones. I told them to swap chargers and use the ones that came with the phone. The old ones may not put out enough power and the phone could in theory run down to the point where it shuts off and slowly charge from that point and I don't think it would turn back on. Keep in mind a retired user who just had a knee replacement so she is at home more often than not.
Did you find out the cause? I have the same issue happened twice today
The random shut off either charging or not happens to me but as mentioned before in a related thread, a lot of the times it also happens on Wi-Fi, and having WiFi optimization on.. purple were turning that off and some fixed the issues. This is my second nexus 4, so I right id give it a try and not use wifi and hasn't happen since I received mines on the 4th of may
Sent from my Nexus 4
noodles2224 said:
The random shut off either charging or not happens to me but as mentioned before in a related thread, a lot of the times it also happens on Wi-Fi, and having WiFi optimization on.. purple were turning that off and some fixed the issues. This is my second nexus 4, so I right id give it a try and not use wifi and hasn't happen since I received mines on the 4th of may
Sent from my Nexus 4
Click to expand...
Click to collapse
So you're saying it's a software issue?
Looks like it.. Turning off optimization or not even using WiFi at all worked..
Sent from my Nexus 4

Nexus 7 very laggy after 4.3

Hi all, my old nexus 7 tablet is totally unresponsive after updating to android 4.3. The problem can be recreated in every single browser you run. After several minutes of browsing the device begins to lag heavy to a point where performance is do degraded that even the return to home or multitask buttons are taking ages to respond. I am totally confused, a update with a trim function supposed to speed tings up is dousing massive problems. I have searched trough the forums in the web and many are reporting same problems.
Does any one here experience the same ?
Try reset to factory settings.
Joro711 said:
Try reset to factory settings.
Click to expand...
Click to collapse
I have tried even different roms. Now i am at a stock rooted 4.3 (latest update) , same thing...
Will make a reset and see how long will the tablet stay fast.
Unfortunately for me after root the tablet started lags. Reinstall it completely and now use it without root.
I m not experiencing nothing from lags. But somehow mediaserver drains my battery and I can t get more then 4 hours screen. Before had 6 or 7 hours youtube and browsing.
Sent from my GT-I9505 using xda premium
I'm having the very same problem. I've tried all sorts of things to fix this with no lasting results. Factory resets make no difference. Also having a load of problems with the Play store, but that's happening on all my devices at the moment so it's likely not related.
Sent from my Nexus 7 using Tapatalk 4
This happened to me a while ago. No matter how many times I factory restored it was still slow and choppy. SO I was really desperate I downloaded the OEM factory image and flashed it. Low and behold that fixed all the ridiculous lagginess I had and it has been good ever since.
m52 power! said:
This happened to me a while ago. No matter how many times I factory restored it was still slow and choppy. SO I was really desperate I downloaded the OEM factory image and flashed it. Low and behold that fixed all the ridiculous lagginess I had and it has been good ever since.
Click to expand...
Click to collapse
I'm in the process of trying this and it seems to be working for the time being. That said, I have had good, early results before and within a day or so the lag is back. This is the first attempt at flashing 4.3 ( I updated to 4.3 through OTA before) so I'm hoping it has a better result. I even performed a factory reset after flashing just so I know all bases are covered. If the lag does return then I'm at a loss as to why. Just as well I'm away to get the new Nexus7.
Sent from my Nexus 7 using Tapatalk 4
lrm537 said:
I'm in the process of trying this and it seems to be working for the time being. That said, I have had good, early results before and within a day or so the lag is back. This is the first attempt at flashing 4.3 ( I updated to 4.3 through OTA before) so I'm hoping it has a better result. I even performed a factory reset after flashing just so I know all bases are covered. If the lag does return then I'm at a loss as to why. Just as well I'm away to get the new Nexus7.
Sent from my Nexus 7 using Tapatalk 4
Click to expand...
Click to collapse
To me is not the lag that concernes me. Its the battery drain. No matter wich rom. The drain is allways present. In 4.2.2 its 40 % more battery time. I did a full image install from google.
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testadeferro said:
To me is not the lag that concernes me. Its the battery drain. No matter wich rom. The drain is allways present. In 4.2.2 its 40 % more battery time. I did a full image install from google.
Sent from my GT-I9505 using xda premium
Click to expand...
Click to collapse
Can't say I've noticed any detrimental effects on battery time for being on 4.3. If anything its better, if not just the same. Maybe it's still a bit early to tell one way or another, but all my woes seem to be gone. I'm not holding my breath though.
One thing I will say is that it doesn't half spoil a device if you have to spend more time troubleshooting, than actually using the thing.
Sent from my Nexus 7 using Tapatalk 4
lrm537 said:
Can't say I've noticed any detrimental effects on battery time for being on 4.3. If anything its better, if not just the same. Maybe it's still a bit early to tell one way or another, but all my woes seem to be gone. I'm not holding my breath though.
One thing I will say is that it doesn't half spoil a device if you have to spend more time troubleshooting, than actually using the thing.
Sent from my Nexus 7 using Tapatalk 4
Click to expand...
Click to collapse
Look at the thread. Only troubleshoting... lol. And I just gave my opinion... I m not a begginer and I know every piece of hardware behaves different. Thats what people are doing here. If you don t have nothing to complain you re lucky. Many of us are not the same opinion. Some for one reason others many... but one is sure. 4.3 its definitively not a major update and don t brings much over 4.2.2. They re slowing things with updates waiting for ios 7 is out to bring out klp. This will be a real and great update. For now they are throwing sand to your eyes...
Sent from my GT-I9505 using xda premium
testadeferro said:
Look at the thread. Only troubleshoting... lol. And I just gave my opinion... I m not a begginer and I know every piece of hardware behaves different. Thats what people are doing here. If you don t have nothing to complain you re lucky. Many of us are not the same opinion. Some for one reason others many... but one is sure. 4.3 its definitively not a major update and don t brings much over 4.2.2. They re slowing things with updates waiting for ios 7 is out to bring out klp. This will be a real and great update. For now they are throwing sand to your eyes...
Sent from my GT-I9505 using xda premium
Click to expand...
Click to collapse
Are you taking the piss? At no point did I respond negatively to your post. If you read, and understood, any of my posts, you'll know full well I'm having issues and I'm currently troubleshooting them.
Sent from my Nexus 7 using Tapatalk 4
I am on stock 4.3 now , stock as it can be. The lag is still present. I literally cannot brows, the browser is sooooo laggy and bugged, don't depend of the browser i am using. I don't know where the problem is , but this is strange behavior for sure. How come it be that only some are affected ? can it be something related with the TRIM option ?
My tablet was sent back to asus for a screen problem, after replacing they returned me the device flashed back to 4.2.2 and not the last 4.3 i had before ? Why is that , maybe the 4.3 does really have some problems here and there....
I also had the browser-produced lag. It was present no matter what ROM I used (Paranoid Android, SlimBean, CyanogenMod, Purity) and no matter what build (JWR66V, JSS15Q, even JWR66Y) I used. I made a strange decision, and downgraded to 4.1.2. Now I'm rather enjoying myself. I hope 4.3 will eventually work on my Nexus 7. Until then, back to the past.

[Q] Just wondering how many of us have a dead N7???

Just wondering if this is something of a user fault from bad/incorrect flashing? or hardware/software from ASUS/Google problems.
If you have a dead N7 from whatever reason other than dropping it or dunking it in water. Please respond, perhaps if there is a significant number of people with problems not caused by physical or water damage. We can with the help of some legal advisors bring this to the attention of ASUS/Google and they might change their minds and do something about all of us???
My died after 5.0.1 OTA update. It booted without problem and worked pretty bad and I rebooted it few times and after some time it didn't booted any more. Recovery worked but I could not unlock bootloader. Luckily I had warranty for one more month and they switched motherboard free of charge. And few hours ago I updated to 5.1.1 (ota) and it works great now (I have three users and there is just small lag when switching between them). Hope it will stay like that.
Mine just keeps rebooting after the Google title and then it gets these lines running on a blank screen then shuts off.
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rneteoriteflo said:
Mine just keeps rebooting after the Google title and then it gets these lines running on a blank screen then shuts off.
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You could fix that, you know, right?
fwayfarer said:
You could fix that, you know, right?
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Click to collapse
No I didn't know that.
Do I use NRT and just revert back to 4.4 or something?
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I'd try that first, unless you have a known good backup stored on device (you should, if not now is a good time to start the habit.)
Cool I'll mess around with it. Thanks!
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rneteoriteflo said:
Cool I'll mess around with it. Thanks!
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Click to collapse
Np. If its still broken after post more info and it can be figured out.
My sister's N7 is a refurbished model and it has constantly been giving her problems, it would always after a month or so of usage would reboot and bootloop. I would have to boot into recovery and wipe cache or factory reset or even flash the stock image again to get it working. I just got back from being away and its now completely dead, won't even charge. It was running stock 5.1
nuffins said:
My sister's N7 is a refurbished model and it has constantly been giving her problems, it would always after a month or so of usage would reboot and bootloop. I would have to boot into recovery and wipe cache or factory reset or even flash the stock image again to get it working. I just got back from being away and its now completely dead, won't even charge. It was running stock 5.1
Click to expand...
Click to collapse
Sounds like failed memory, or memory controller, by the symptoms of reboots after a month that were fixed by a wipe and reinstall. Once it got to a certain level of storage usage it failed, you wiped, and the cycle repeated. Unfortunately it is probably dead. The good news is you can pick up a replacement motherboard for a very reasonable price on eBay.
Update!
So for my issue, it was the battery.
First, I tried to flash the stock image. Still restarted and got the lines. It drove me nuts!
Something inside me said to order a new battery from amazon for $20.00.
I did that, installed the new battery, flashed, and my nexus 7 is back in action. For those that are going through the fuzzy lines and restarting issue, you guys might want to try that. Worked out for me. Cheers!
Edit: I'm not sure if I would like to go back to updating all the way to 5.1 yet. But 4.1 works for me. [emoji28]
im on my 3rd
today at $165 per piece its a joke its the best tablet you can get under $200. I like to keep a tablet with me at all times because of the nature of my work. and this fits in my pocket assuming a don't have a case. I find the note for a little too small to work on. it's a great device for the money and I'll keep buying them as long as I keep breaking them or they keep dying for something else this size comes on the market at this price. my only real gripe is that the graphics abilities if these devices are a little weak.
rneteoriteflo said:
Update!
Edit: I'm not sure if I would like to go back to updating all the way to 5.1 yet. But 4.1 works for me. [emoji28]
Click to expand...
Click to collapse
I wish I did the same, I let my N7 update to 5.1.1 and its so slow, even removed many apps like "Facebook" and tweaked everything. I dont think the 1st generation N7 is up to par with 5.1.1. Might have to unlocked and downgrade to 4.4.4....

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