[Q] 4.2.1 Insane lag - Nexus 7 Q&A, Help & Troubleshooting

Surprised I didn't find any other similar experiences but my Nexus 7 16GB on 4.2.1 (unlocked but not rooted) is having some real issues with performance lately. Literally everything I do on it ends up lagging and stuttering with nothing being smooth what so ever. Sometimes it will lag so much that it freezes then reboots itself.
I've also had issues with the battery reporting 30% and then suddenly shutting off and not restarting without being on charge for about an hour. I also sometimes hear a "click" sound from the device every now and again. Plus there is some strange feedback and noise through the headphones while it is on charge and if it is rebooting.
Thanks for reading, could anyone tell me if there a solution to any of these problems such as overclocking, flashing a new ROM, returning it maybe?

573W1E said:
Surprised I didn't find any other similar experiences but my Nexus 7 16GB on 4.2.1 (unlocked but not rooted) is having some real issues with performance lately. Literally everything I do on it ends up lagging and stuttering with nothing being smooth what so ever. Sometimes it will lag so much that it freezes then reboots itself.
I've also had issues with the battery reporting 30% and then suddenly shutting off and not restarting without being on charge for about an hour. I also sometimes hear a "click" sound from the device every now and again. Plus there is some strange feedback and noise through the headphones while it is on charge and if it is rebooting.
Thanks for reading, could anyone tell me if there a solution to any of these problems such as overclocking, flashing a new ROM, returning it maybe?
Click to expand...
Click to collapse
Return it, best solution.. :good:

573W1E said:
Surprised I didn't find any other similar experiences but my Nexus 7 16GB on 4.2.1 (unlocked but not rooted) is having some real issues with performance lately. Literally everything I do on it ends up lagging and stuttering with nothing being smooth what so ever. Sometimes it will lag so much that it freezes then reboots itself.
I've also had issues with the battery reporting 30% and then suddenly shutting off and not restarting without being on charge for about an hour. I also sometimes hear a "click" sound from the device every now and again. Plus there is some strange feedback and noise through the headphones while it is on charge and if it is rebooting.
Thanks for reading, could anyone tell me if there a solution to any of these problems such as overclocking, flashing a new ROM, returning it maybe?
Click to expand...
Click to collapse
Although it is stock, have you tried flashing a recovery image just to see if that fixes anything? If that doesn't fix the lag, then return it. The image can be found here.
--EDIT--
Just noticed you have many more problems than just lag. Return it.

573W1E said:
Surprised I didn't find any other similar experiences but my Nexus 7 16GB on 4.2.1 (unlocked but not rooted) is having some real issues with performance lately. Literally everything I do on it ends up lagging and stuttering with nothing being smooth what so ever. Sometimes it will lag so much that it freezes then reboots itself.
I've also had issues with the battery reporting 30% and then suddenly shutting off and not restarting without being on charge for about an hour. I also sometimes hear a "click" sound from the device every now and again. Plus there is some strange feedback and noise through the headphones while it is on charge and if it is rebooting.
Thanks for reading, could anyone tell me if there a solution to any of these problems such as overclocking, flashing a new ROM, returning it maybe?
Click to expand...
Click to collapse
Don't bother with trying anything else. You got a bad unit return asap
Sent from my Nexus 7 using xda premium

Mine has been lagging pretty badly ever since 4.2. Mostly on the lock screen
Sent from my Nexus 7 using xda app-developers app

If you have Google currents installed uncheck they sync button and reboot, will make a difference
Sent from my Nexus 7 using xda app-developers app

If you guys haven't seen or tried this, it may just help. It's an amazing app that actually works on most devices. It's being talked about on all the Android sites. Root is required.
http://forum.xda-developers.com/showthread.php?t=2104326
Sent from my Transformer TF101 using xda premium

Related

Nexus 10 Rebooting

I have noticed that my nexus 10, which i received today, reboots itself whenver i put it in sleep mode. Also, when charging it turns itself off. These problems never occur during use, just when it is in sleep mode. Anyone else have this problem? Any solutions?
Gosfgiants said:
I have noticed that my nexus 10, which i received today, reboots itself whenver i put it in sleep mode. Also, when charging it turns itself off. These problems never occur during use, just when it is in sleep mode. Anyone else have this problem? Any solutions?
Click to expand...
Click to collapse
I've seen this once. I'd just put the tab down, lock screen active but display still on and bam! I was pretty shocked.
I'd be much more pissed off if it happened during use though!
Mine has locked up about 5 times since yesterday.....
Sent from my Nexus 10 using Tapatalk HD
This was happening on mine as well. It stopped after I updated the device, so I think it might be a software issue.
There's a long thread on this in the Q&A section. A lot of people are noticing it. Hopefully Google fixes it in a software update soon.
Sent from my Nexus 4 using xda premium
Mine has stopped rebooting, but it still turns itself off after a few minutes of being asleep. Any solutions? Or should I consider a return?
4.2 definitely needs an update. Freezing everywhere, gesture typing is sluggish, reboots and lock-ups.....was not expecting this :/
Honestly, I've not experienced any of this. I'm only playing a few games and browsing mostly though so maybe I'm not doing something that triggers it. One of the N7's I bought did that, and I returned it. If you reflash the stock image and clear data and it still does this I would suggest getting a return. I've had no real software problems with mine.
Man, you all have me really worried. My wife bought me a n10, and it's sitting in the closet because it's a christmas present. If it's having software issues, that's one thing....hardware issues are a whole other animal..I need to make sure the hardware isn't bad before I miss out on the return period.
tpayne1 said:
Man, you all have me really worried. My wife bought me a n10, and it's sitting in the closet because it's a christmas present. If it's having software issues, that's one thing....hardware issues are a whole other animal..I need to make sure the hardware isn't bad before I miss out on the return period.
Click to expand...
Click to collapse
I had similar issues with the first one I received. CONSTANT reboots, occasional freezes and shutdowns. Returned it for a new one, which I received today, and for what it is worth, I haven't noticed the same problems at all yet with the new unit. So, at least in my case, it does appear to have been a hardware issue...

[Q] Is 4.2 to blame for the problems on my nexus 7?

ever since i upgraded to 4.2 my nexus 7 has been rebooting randomly,dosent matter how much charge i have or if im using it or not,it just happened 5 mins ago while laying there on standby. it never did it while it was on 4.1,since i got it i have rooted it and unlocked the bootloader and then when i upgraded it unrooted. bootloader is still unlocked (i still have the padlock on startup). has anyone else been experiencing this since their upgrade or is mine just faulty? ive read that some have had similar issues since the update but nothing thats only random. ive also noticed decreased battery life and sometimes not as buttery smooth as google promised.
Many people have problems because of the 4.2 update, I recommend you to back up your apps and reflash stock, and do all the ota updates right after that. I did this and my N7 got smoother and it has a better battery life now
Hope this helps.
Sent from my Nexus 7 using xda app-developers app
I'm also having this random reboot issue since 4.2 update. So far it has rebooted only once when I was using it, while all other times it's just sitting there idle on my desk and it reboots. I also agree with batter life, it hasn't been great compare to 4.1.2.
Had the reboot issue at first also, but after updating all my apps ( as they became available) it seems to have stopped. No reboots for a few days now!
Sent from my Nexus 7 using xda app-developers app
I know that since 4.2 my N7 lags like no tomorrow. Pulse doesn't even want to work most of the time. Listening to music while browsing is annoying. I might go back to the previous version.
There is a whole thread on this topic. Better to keep the discussion of reboots on one place.
Sent from my Nexus 7 using xda premium
AlleN7 said:
I know that since 4.2 my N7 lags like no tomorrow. Pulse doesn't even want to work most of the time. Listening to music while browsing is annoying. I might go back to the previous version.
Click to expand...
Click to collapse
disable background updating on Currents
Well I don't know what is the problem inside the update but when I installed the ROM as rooted one in the development forum it was unresponsive and lagged... Then I returned it to the last version of 4.1.2 and then applied the properly ota and now it runs battery smooth and no more problems here, well except for the flicker that is still here
Sent from my Nexus 7 with 4.2 and I love it....so **** logic its great
+1 for battery life being crappy. I haven't had any of the other issues you described; 4.2 is a lot smoother imo I just assumed that is why the battery drains a bit faster. But the battery life convinced me to go back to 4.1.2.
Sent from my Nexus 7 using xda premium

[Q] anyone getting random reboots?

its happened maybe 5 times since ive owned it now. once on a call , other times randomly as im using apps . its weird cause im using an app then it shows the nexus X logo for a bit then its back to the homescreen. but it didnt show the google logo as it normally does when it boots up. anyone else experiencing this?
Yes, I am too. There seems to be no pattern either. It reboots when watching movies, playing ingress, on the homescreen. It is completely random.
I am running a stock rooted rom with franco kernel.
Not yet
Sent from my Nexus 4 using xda premium
I am as well, facing the same issue. Any memory intensive apps like chrome browser usage for more than couple of hours or watching HD movies, the phone simply restarts. shows the nexus logo and brings back to the homepage... pathetic.
No problems here, using stock rom and franco r15.
My first nexus 4 (which I lost) didn't reboot at all. My new one gets into reboots cycles and it happens on most day. This is where it won't just reboot but will continually dod so. I have investigated with a number apps to try to identify a rogue app. I suspect hardware so am going to exchnge the phone (It also has some LED bleed)
stock phone, not rooted... no reboots here - uptime is 338 hours.
Sent from my Nexus 4 using Tapatalk 2
Happened a few times... but it hasn't happened lately.
Foxy Roxy said:
Happened a few times... but it hasn't happened lately.
Click to expand...
Click to collapse
Running PA Rom...Franco Kernel...havent had no issues...Phone been perfect since I got it...
I'm not sure if this is related but after upgrading to 4.2 (and 4.2.1) on my Nexus 7, the stock launcher became sluggish with occasional random reboots happening (many others have reported the same behaviour). After switching to Nova Launcher, all was well again and I haven't seen a random reboot since. On my Nexus 4, I've used Nova Launcher from day one and am yet to experience a random reboot (4 days in).

Bluetooth won't turn on, no matter what! 4.2.2

I am on 4.2.2 and the bluetooth won't turn on. As soon as i click ON, it immediately goes back to OFF (in blink of an eye). Is it due to the well known wifi-bluetooth issue? It happened yesterday when wifi was off even. Restart is the only temporary cure as for now. Any suggestions?
See this
The video isn't mine. Searched over the internet.
EDIT: http://forum.xda-developers.com/showpost.php?p=38966870&postcount=39
I also have this issue but its fine once I reboot. Still annoying tho
Sent from my Nexus 4 using xda premium
Same here. I dont know how Google released 4.2.2 without fixing a huge bug like this that affects daily use, its really annoying ;(.
Sent from my Nexus 4 using xda app-developers app
Bluetooth is fine for me on 4.2.2
Sent from my Nexus 4 using xda app-developers app
moses992 said:
Same here. I dont know how Google released 4.2.2 without fixing a huge bug like this that affects daily use, its really annoying ;(.
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Exactly. Although a restarts fixes the issue temporarily but it's pretty annoying as bluetooth is used daily and that too quite a lot of times in a day, sometimes. So constant restart really isn't a cure. Anyhow, I was wondering it's just me and this youtube user lol.. but now I know it's kind of a known issue and hopefully Google will fix it, since they know the issues with BT/WiFi etc. But I heard they fixed it in 4.2.2 however, we are still getting it which means the issue hasn't been resolved completely.
Edit: I was using Juice Defender Ultimate earlier and the issue started happening right after a few days of the said app's. installation. Googled a bit and got to know JDU is the culprit. So I uninstalled it on Saturday. But issue still persists.
filthykid said:
...
Edit: I was using Juice Defender Ultimate earlier and the issue started happening right after a few days of the said app's. installation. Googled a bit and got to know JDU is the culprit. So I uninstalled it on Saturday. But issue still persists.
Click to expand...
Click to collapse
Never had Juice Defender Ultimate installed on my phone,so thats definitely not the cause. However maybe another app is causing this ? Would be interesting if we could find out.
I am also glad im not the only one with this problem, but it seems like it isnt affecting a lot of devices .. I mean this thread is barely getting responses ? Anyway I hope this gets fixed soon.
Sent from my Nexus 4 using xda app-developers app
I hardly ever use the BT, but the only 2 times I needed it, it happened the same to me. Never used juicedefender, unlocked bootloader + root only.
It's not a big issue for me... but IT IS an annoying issue
I had this for the first time today. The only app I have that might effect it is Qualcomm Battery Guru.
Do you have frozen any service that might be linked to Bluetooth ?
Hmmm.. I uninstalled JDU after reading this thread:
http://feedback.latedroid.com/forum...ooth-cannot-be-turned-on-when-juicedefender-u
...but nothing really changed. So it definitely wasn't JDU.
Hmmmm..
Since a week I am facing another weird issue. I can't seem to transfer any files from or to my phone. Since Jpegs are of small size, they get transferred. But songs..videos..etc.. they just cant get transferred. For instance, a transfer will suddenly hang at..lets say...14% and will stay there for half a minute or so.. and then 1 file share unsuccessful will appear in notification. Out of around 10 to 15 tries, just once it transferred a 39 MB HD trailor.. otherwise it just doesn't transfer any thing.. Do you guys face this *hit too? What to do?:s
This Bluetooth not turning on issue is really annoying. Anyone has any news for it? No fix? Nothing?
I have to restarted my device several times in a day. And it extremely embarrassing when someone asks for a file transfer and you say him.. wait i need to restart the phone. BT isn't turning on
I asked a friend of mine, who has a N4, about this and he said it never happened to him. It seems that not all devices are affected with this bug ? Could it be a hardware thing ?
Sent from my Nexus 4 using xda app-developers app
Only had it happen once during the last three weeks so the issue is quite rare. Also had to reboot to fix.
You can leave Bluetooth enabled though, it doesn't drain battery whilst inactive.
pyrotenax said:
Bluetooth is fine for me on 4.2.2
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Same here, have no issues. I did have issues with wifi not turning itself back on when I was using Qualcomm's Battery Guru. Are you using any type of battery saving app like Tasker? If you are try uninstalling it and see if that helps.
Experiencing the same issues
kzoodroid said:
Same here, have no issues. I did have issues with wifi not turning itself back on when I was using Qualcomm's Battery Guru. Are you using any type of battery saving app like Tasker? If you are try uninstalling it and see if that helps.
Click to expand...
Click to collapse
No. I don't use any battery saving app. I recently installed Battery Guru. But the issue was there even before installing it. The issue is there since the day I got my hands on the device. I seriously don't want to RMA as everything else is excellent in the device. Infact.. I seriously do not hear any buzzing sound from it.. even in a silent room. It was there in first few days but it was hardly audible. And now its gone. I have tried many times listening in a silent room but don't hear it anymore. So everything is perfect besides this BT bug I really really want a fix for it. No RMAing
The problem arises from the constant turning off and on of the bluetooth radio, as seen in cases such as the battery saving apps (Qualcomm Battery Guru, Juice Defender, etc.). I have the same problem happen when I automate the toggling of bluetooth using a Tasker created schedule. It is not limited to any particular app but has to do with a bug in the Android OS.
The official bug report is here: https://code.google.com/p/android/issues/detail?id=39688
You guys can star the issue to help raise awareness to Google so that they can fix it. For now, the only workaround that I have found is to just leave bluetooth on all the time.
Help!
Same happens to me. As soon as I switch bluetooth on it switches off. Rebooting doesn't work for me neither does doing a factory reset. Will this be fixed??
I am not having any issues with blue tooth and wifi
Sent from my Nexus 4 using xda premium

[Q] Why the HELL is the Nexus 4 so BUGGY?!?!?!

What the hell is wrong with the Nexus 4? I thought it was Google's eldest son and would care to treat it to a few bug fixes once in a while. And stock Android? Biggest joke ever in the history of man. My bloated AT&T Galaxy S4 was 100x more stable than this piece of junk. Ever since I got my phone in August, the Nexus 4 is STRIFE with bugs. I can't remember the last time I used the phone without a major bug happening in a day.
-Randomly shuts off. This is F*CKING huge. I will press the right button to turn off the screen, and it won't turn on again. I have to hold the button for like a minute straight to restart the phone. What the hell is up with this?????
-CALLING DOES NOT WORK? WHAT IS THE PURPOSE OF A PHONE IF YOU CAN'T MAKE OR RECEIVE CALLS? I HAVE RUN INTO THIS PROBLEM ALMOST EVERY TIME I RECEIVE A CALL. I have to restart the phone, wait for 2 minutes, then call back the person. This is EXTREMELY frustrating.
-The Youtube app works like 20% of the time. I am not even kidding. I expect the app to malfunction than work. It will spin on forever or it will give an error. And no, don't ****ing tell me to restart the phone. I'm not doing that for a video.
-I have a screen lock and I can reply to text messages without unlocking the phone. What the hell is the purpose of a screen lock if I don't have to input that in?
-The battery percentage is completely off half the time. Sometimes it goes 0-100% charge in like 2 hours and sometimes it takes 5 hours. The longer it takes, the longer the battery lasts. This is so frustrating when I have to go somewhere and my battery is 20% at noon.
-The wifi won't connect sometimes and the data won't turn on even if I have full bars. I would have to wait like 15 minutes for the data to turn on.
There is literally so many bugs, I can't remember them all right now. Stock Android my ass. Someone please direct me to a bloated ROM that is stable than this hunk-o-junk.
Do you feel good screaming at nobody? Got it off your chest now. Your phone has obviously seen better days, if your that unhappy with it then don't continue to use it. My nexus 4 still runs like dream no matter what version of android I'm on. The only bugs my device has either comes with stock Google issues or custom ROM bugs. Most bugs are from dirty flashing over and over I'm sure you know that. Wi-Fi bugs would be kernel related if not hardware, your battery sounds like it's gonna catch fire soon. I can't stress enough that these issues your having require your investigating to localize wtf is going on. I hope I've helped.
You bought a phone nearly 2 years after it was released? Was it new, or did you buy it second hand? What version of Android are you running? Are you rooted? Are you running Xposed or other mods? Custom kernel? What have you or the previous owner done with it? Have you done a factory reset?
Cuz mine is 2 and a half years old, and apart from the charging port being a bit touchy with a worn power cord, it's fast and stable.
I mean, if you're looking for a solution to problems, you have to tell us what's going on. Otherwise, you just look like a fool that likes to complain about crap that nobody else (for some reason) is experiencing.
Nope... My wife's been using her N4 for two and a half years and haven't experienced any of those.
Sounds like you have a faulty device, sorry.
seems like your current device has some issues, in general nexus4 very good and fast device
The nexus 4 is not buggy. You bought a broken phone that powers off and your screaming that the phone is buggy? Use your head.
Sent from my Nexus 4 using XDA Free mobile app
Lmaoo, it's only my device huh?
Random shut downs
https://productforums.google.com/forum/#!topic/nexus/LNEnfEnTJ3Q
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shutdowns-4-4-4-t2804425
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shuts-t3038926
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shutdown-t2537584
http://forum.xda-developers.com/nexus-4/help/nexus-4-randomly-off-intermittently-t2077148
http://www.reddit.com/r/nexus4/comments/2p6nyh/n4_randomly_shutting_downfreezing_after_50_update/
No sound in calls
http://forum.xda-developers.com/nexus-4/help/audio-call-nexus-4-cm11-t2924589
http://forum.xda-developers.com/nexus-4/help/call-audio-problem-4-3-stock-sound-t2495331
https://code.google.com/p/android/issues/detail?id=82949
Youtube app
https://www.reddit.com/r/Nexus7/comments/2laiqb/you_tube_app_not_working_there_was_a_problem/
Battery
https://productforums.google.com/forum/#!topic/nexus/RW1W1EDqf2k
http://forum.xda-developers.com/nexus-4/help/nexus-4-shuts-randomly-battery-problem-t2202253/page3
pointystar said:
Lmaoo, it's only my device huh?
Random shut downs
https://productforums.google.com/forum/#!topic/nexus/LNEnfEnTJ3Q
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shutdowns-4-4-4-t2804425
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shuts-t3038926
http://forum.xda-developers.com/nexus-4/help/nexus-4-random-shutdown-t2537584
http://forum.xda-developers.com/nexus-4/help/nexus-4-randomly-off-intermittently-t2077148
http://www.reddit.com/r/nexus4/comments/2p6nyh/n4_randomly_shutting_downfreezing_after_50_update/
No sound in calls
http://forum.xda-developers.com/nexus-4/help/audio-call-nexus-4-cm11-t2924589
http://forum.xda-developers.com/nexus-4/help/call-audio-problem-4-3-stock-sound-t2495331
https://code.google.com/p/android/issues/detail?id=82949
Youtube app
https://www.reddit.com/r/Nexus7/comments/2laiqb/you_tube_app_not_working_there_was_a_problem/
Battery
https://productforums.google.com/forum/#!topic/nexus/RW1W1EDqf2k
http://forum.xda-developers.com/nexus-4/help/nexus-4-shuts-randomly-battery-problem-t2202253/page3
Click to expand...
Click to collapse
It doesn't mean the majority of people are having issues. Did you not notice that there are still lots of people on these forums that aren't complaining of such problems? I wouldn't put up with random shut downs, so if mine ever did that, I'd be done with it.
Sent from my Nexus 4 using XDA Free mobile app
---------- Post added at 07:34 PM ---------- Previous post was at 07:21 PM ----------
I bought a used lg g2 and the LCD screwed up days after I bought it. Should I go into the g2 forums and tell all the people that are completely happy with their g2, that the g2 is junk?
Sent from my Nexus 4 using XDA Free mobile app
The random shut downs are annoying.. Although you'll probably find it hasn't shut down.. If it's anything like mine it will be on, but won't turn the screen in no matter what you try.
Try plugging it into a PC next time it does it.. 90% of the time it will be recognised, you can even get minimal log cat messages.. But nothing I have tried will awaken it.
Mine didn't do it from new but it's getting worse now.. Nothing seems to fix it, have reflashed many times.
The other problems aren't common on the nexus 4, but I've seen the shutdown one on a few different devices now. It's certainly not even close to all of them, but enough are starting to do it.
Sounds like you have something wrong, I am running 5.1.1 rooted, with the LTE hack, and it is fast and stable. No random reboots. You might try running a logcat and see what the issue may be. Clearly you are not looking for help, as you provide no information or detail as to your handset or specifics on the issues you are seeing. Do you feel better to vent? I would put my N4 up against any other handset, even 2 years later.
Let him scream to himself. Useless thread, it has no purpose but relieving his feelings. Here is not the place for that.
I can recreate a lot of issues OP mentioned. I also have the random shutdowns, enormous battery drains, no sound in calls, etc.. I got my phone on day 1 and it seems that these bugs get worse lately.. Unfortunately I don't have the money to buy a new phone right now, so I'll have to just live with it.. I spent countless hours trying out fixes but nothing really worked permanently..
Could all of this have to do with production batches or hardware revs? Mine is a rev11 bought new in Sep 2013, I never experienced any of these bugs (except for the sleep-of-death which I've only come across twice on KK, so not a reoccurring condition). Ironical that you haven't mentioned the ONLY widely acknowledged bug affecting the n4 (which 5.1 seems to have finally solved): the infamous camera reboot. Only Lollipop helped for me; as long as I was stuck with KK it was a feckin nightmare!
Sorry for the poem, just giving my 2 cents about what's an acknowledged bug and what is not.
MogoPips said:
I can recreate a lot of issues OP mentioned. I also have the random shutdowns, enormous battery drains, no sound in calls, etc.. I got my phone on day 1 and it seems that these bugs get worse lately.. Unfortunately I don't have the money to buy a new phone right now, so I'll have to just live with it.. I spent countless hours trying out fixes but nothing really worked permanently..
Click to expand...
Click to collapse
Logs are free if you want some help. Could be the hardware, but without knowing details impossible to say.
I had the camera reboot once in the 7 months I've owned this phone. Happened when I went to take a picture in a message I was sending directly, which I dont do very often. That's the only reboot or crash I can remember ever happening to this phone. Nothing like my sisters s3 that freezes almost every day since she got it apparently.
Sent from my Nexus 4 using XDA Free mobile app

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