Database Users

Attempt to fix NS reboot loop using hardware mod [FAILED]

EDIT: This failed, just ignore...
If you're like me, you sometimes pickup your phone and it's stuck at the boot animation and the animation is grayish.
Well I think that this problem as nothing to do with custom rom or custom kernel but in fact is a Nexus S hardware issue. I think that when the NS reach a certain temperature the CPU stop intentionally so no damage is done to the phone. The problem is that when the CPU stop, the phone reboot but at boot uses a lot of CPU than overheats again than just get stuck in a reboot loop. That's my theory.
I also think that the problem comes from the NFC antenna. The rubbery texture of the NFC antenna seems to keep the heat in the handset.
So to try to fix the problem, I added a copper plate between the NFC antenna and the battery to try to dissipate the heat. The result, my NS runs a good 4C less than it use too and I haven't had a reboot loop yet.
If you have reboot loop problems, try a similar solution and let me know if it fix it for you...
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Bootloops commonly happen from too much undervolting, unstable overclock, phone/battery gets too hot. Looks interesting though. NFC still work?
Sent from my Nexus S 4G using xda premium

Rem3Dy said:
Bootloops commonly happen from too much undervolting, unstable overclock, phone/battery gets too hot. Looks interesting though. NFC still work?
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
I'm taking off undervolt and overclock out of the equation because I assume that someone has tested those thoroughly before setting them at boot.
I'm focusing on the fact that when your OC/UV is stable, you shouldn't have boot loops. I even think that some ppl are experiencing bootloops with stock kernel which has no OC/UV ...
As for NFC, it still works! I've been running my phone 4 days strait without any reboot and the phone definitely feel cooler to the touch. Temperature never went higher than 35 Celcius. My phone used to be constantly at 37+ Celcius.

Interesting information thanks for the insight.
Sent from my Nexus S

p00kienrayray said:
Interesting information thanks for the insight.
Sent from my Nexus S
Click to expand...
Click to collapse
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...

steve.garon said:
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...
Click to expand...
Click to collapse
i dont think its a heat issue because ive got my ns up to 123F without a problem, without a bootloop. and i regularly run at 105-115F torturing my phone testing out kernels.

steve.garon said:
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...
Click to expand...
Click to collapse
Try the oxygen rom. I haven't encounterd a boot loop or random reboot since switching to oxygen. Use to get bootloop or random reboot several times a day with cyanogen rom.
Sent from my Nexus S using XDA App

No bootloops with cm7 latest nightly and netarchy
Sent from my Nexus S 4G using xda premium

[ISSUE] Screen flickering ALOT and faded out with weird lines going down the screen

Woke up this morning to my phone being messed up.
Bunch of weird lines down the screen, the color of the screen is also faded out to whitish and its flickering ALOT. Very noticeable and definitely something wrong.
Any ideas?

Its failing??
Rma time.

Go back to stock if you aren't on stock
See if it still happens, if so, rma time.

K so I locked the screen and headed to work. Check the screen 1 hr later and its no longer flickering and there are no more lines.
Any ideas? Should I just RMA it?

My screen failed yesterday. For reference:
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RMA initiated today - here's hoping the replacement lasts!

arekieh said:
Woke up this morning to my phone being messed up.
Bunch of weird lines down the screen, the color of the screen is also faded out to whitish and its flickering ALOT. Very noticeable and definitely something wrong.
Any ideas?
Click to expand...
Click to collapse
This kind of flickering has happened to me twice in the past month. Both times rebooting didn't seem to affect it, but it did go away when I let the phone sit for a few minutes. Happened once on stock and once on custom ROM. Makes me think its a hardware thing... First time it happened, the phone was very hot from intensive use
Sent from my Nexus 10 using xda app-developers app

patsmike said:
This kind of flickering has happened to me twice in the past month. Both times rebooting didn't seem to affect it, but it did go away when I let the phone sit for a few minutes. Happened once on stock and once on custom ROM. Makes me think its a hardware thing... First time it happened, the phone was very hot from intensive use
Sent from my Nexus 10 using xda app-developers app
Click to expand...
Click to collapse
I took my phone out of my pocket once and when I pressed the volume rocker to wake it (running CM 10.1 + Franco r30) nothing happened for a few seconds, then I got lines similar to those. I thought I might have been seeing things because it experienced about 2 seconds of lag then unlocked right after. The screen was back to normal and I rebooted the phone. This was three days ago and I've had the phone for almost 2 weeks. I haven't had a problem since then. 16 GB Nexus.
Update: Happened again. Except this time I had flickering.I pressed to unlock my phone. Nothing happened, then It unlocked after a few seconds of lag. The screen was flickering, I rebooted, nothing changed, still flickering. Gave it a few minutes and flickering stopped.

ya, it happened to me once when I went snowboarding and it was -30. First time I pulled out my phone it did that too, I thought it was because of the cold though.
I think im gonna try to RMA it anyways

Just had this happen right now to me as well.
I took it off the charger but didnt unplug from the phone side. Randomly viewing Gmail. Screen times out. And i slowly start to see those ghost lines appearing. Phone woke up after a few seconds.
I'm running franco's r51 kernel, PA build 23 rom, Touch Control app, and the usual.
If it happens again, I'll go to stock and test. If it happens on stock, I'll debate on RMA'ing it. Dont want to be phone less for a month or so with the way Google's handling stuff....

This happened to me a bunch of times on various Roms so it made me think it was hardware rather than software. I didn't even see this thread till now so I thought I was the only one lol. My RMA comes tomorrow I suggest you all do the same better safe than sorry
Sent from my Nexus 4 using xda app-developers app

Thank God! I thought I was the only one!
I have had my 16GB's screen flicker quite a lot just a few minutes back. There were lines drawing down from the screen and the screen was quite faded. Did not go away even after rebooting twice. But after some time the fadeness went away. The flickers were noticeable, but reduced. Now everything is back to normal!
Worried!! And LG is known for good quality screens! But I guess they have had bad quality phones earlier. If I am correct, their year-old flagship phone also had a screen issue which made it go downhill.
I am worried because I have got it sent to India where I am using it and cannot return it now!
Any official speak on this? Couldn't find anywhere. But with Google's track record, we may not hear much for a long time.

otariq said:
This happened to me a bunch of times on various Roms so it made me think it was hardware rather than software. I didn't even see this thread till now so I thought I was the only one lol. My RMA comes tomorrow I suggest you all do the same better safe than sorry
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Cant replicate it. I was on a kernel thread and same thing happened to another person on a different rom while he was charging. Mine happened after i immediately unplugged from outlet but not from phone side. The stupid buzzing from the charger may have something to do with it, imo.

screen flickering running down screen, with all kinds of pixels and shotdown
Same problem, but no more warrenty on mine
I have a galaxy note GT n7000 that started getting slow so I rooted it first with PhilZ JB Rom. That went fine for half a year then it started shutting down now and then. I don't know why. SOme times I saw a little flickering just before it went out when low on the battery, but no big stripes
I then installed the latest Asylum omni rom 4.4.2 together with the new CWM and Gapps. Worked fine for a week then started comming white stripes running over the screen or the screeen until it shut down or sometimes freezing the screen and tiny green dhttp://forum.xda-developers.com/images/icons/icon9.gifots getting clearer on the screen.
I then changed the battery today, but the problem is the same.
What should I do - are there any Roms that may be lighter on the energy on the phone?
Is the phone /screen / other hardware dead?

Abysmal Battery Life

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No clue what happened, but I was not very happy this morning haha.

[QUOTE
No clue what happened, but I was not very happy this morning haha.[/QUOTE]
Looks like your screen ate a big chunk of that. Maybe you had an application running that disabled dimming/auto lock? Or maybe you have autolock disabled?

frigidinferno said:
Looks like your screen ate a big chunk of that. Maybe you had an application running that disabled dimming/auto lock? Or maybe you have autolock disabled?
Click to expand...
Click to collapse
No, it was valid screen usage. But I normally pull between 3-4 hours of screen on --- this is 30 minutes and the phone is dead. xD

frigidinferno said:
[QUOTE
No clue what happened, but I was not very happy this morning haha.
Click to expand...
Click to collapse
Looks like your screen ate a big chunk of that. Maybe you had an application running that disabled dimming/auto lock? Or maybe you have autolock disabled?[/QUOTE]
Yeah but it that would mean thirty mins of screen time is all we get which is not the case
Sent from my Nexus 7 using Tapatalk 2

Dude that's faked
sent from my Kindle Fire in Equestria
Click it I dare you?
http://forum.xda-developers.com/showthread.php?t=1784401

No one else will have a clue as to what happened either unless you give more information than that screenshot .
ROM? Min/Max frequencies? Governor? Did the phone feel extremely hot during those 38 minutes? Did you try a reboot? What happened after you recharged it? Same or better battery life?
I didn't even know it was possible to eat through the entire battery in under an hour. Seems like it might be a messed up battery and/or battery calibration thing. If you want more information than in that screenshot, you can try installing BetterBatteryStats

c00ller said:
No one else will have a clue as to what happened either unless you give more information than that screenshot .
ROM? Min/Max frequencies? Governor? Did the phone feel extremely hot during those 38 minutes? Did you try a reboot? What happened after you recharged it? Same or better battery life?
I didn't even know it was possible to eat through the entire battery in under an hour. Seems like it might be a messed up battery and/or battery calibration thing. If you want more information than in that screenshot, you can try installing BetterBatteryStats
Click to expand...
Click to collapse
I'm thinking it was just a fluke... I woke up, did some browsing, ran a timer (hence the screen-on time), got in the car to go to work and "14% remaining" popped up. I rebooted a few times to see if it was just reporting incorrectly --- but it had actually drained.
Typically I pull ~13 hours, ~3 of screen-on, and ~7 of Pandora. I'm more than satisfied with battery.... normally. It seems to have gone back to around that level after a recharge, but I'll know for sure tomorrow.

Battery was fine today. Sitting at 23 hours on ~130% battery (some slight charging halfway through), 20% remaining, 3.5 hours of screen, and 7 hours of Pandora.
I guess my phone had a case of the Mondays.... on a Tuesday.

Most likely had something go wrong with the battery stats.
I had it happen before. I knew my device was around 30 percent battery life. I hooked up to the charger and in less than 5 minutes it said 100 percent. So it would charge further.
Drained the battery fully and quickly of course like the op and fully charged. Haven't had it happen again though.

The battery reporting on the nexus is pretty bad
Sent from my Nexus 4 using Tapatalk 2

Help with Battery Life/Power Issues

Hey all
I've been having massive issues with my battery life recently, it's never been great however it's actually gotten a lot worse post Kit Kat. I've taken a few screenshots on a few different apps like GSam Monitor, Wakelock detector and Battery Widget, I was wondering if somebody could help me diagnose the issue. Or at least just give me general insights into the numbers that I'm getting in terms of battery life.
EDIT: Just noticed a new issue where a couple of times my battery was somewhere in the 40's and then the phone crashes and when I start it back again it just has about 2 % battery left. Weirdly enough, after charging it for a couple of minutes, that battery now goes up to 30%. Would love to know if somebody has had a similar issue and what might be a way to go about trying to find some sort of solution.
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Sent from my Nexus 4 using XDA Free mobile app

Greetings!
Hmm.. That's weird listen--- >
1. If the screen is jittering and phone crashes... Battery is bad..
2. Try flashing stock firmware... Might be a software issue
Sent from my Nexus 4 using XDA Free mobile app

same battery issue here. Its not because software. i tryed CM11m11, Ubuntu Touch, stock.. same problem. Im waitting new battery, because i was not that gentle with batteru when i was repalcing camera 15 days ago.
Usualy moment before phone restart, lose sim signal, then freeze and restart

If flashing stock doesn't resolve it, I'd say the battery is dying. I went from 2 hours between charges to 12-14 with a new battery.
Sent from my SAMSUNG-SM-G870A using XDA Free mobile app

I installed stock rom by tutorial what i found here, but problem stay same. Waiting for new battery

My battery is also dying (switched to new phone now). It averages about 1 hour of SOT over several days and it's only wifi only. I guess I could swap out a fresh one but it goes to show that we need easily removable batteries but they just don't last that long.

Ultraman1966 said:
My battery is also dying (switched to new phone now). It averages about 1 hour of SOT over several days and it's only wifi only. I guess I could swap out a fresh one but it goes to show that we need easily removable batteries but they just don't last that long.
Click to expand...
Click to collapse
Experienced the same issues like you did. A friend of mine who is used to fix iPhones did it for me. I just bought the new battery and paid him a beer

Did your battery life return to "normal"? Not that the Nexus 4 ever had great usage time. I might attempt it myself as a challenge.

Ultraman1966 said:
Did your battery life return to "normal"? Not that the Nexus 4 ever had great usage time. I might attempt it myself as a challenge.
Click to expand...
Click to collapse
It did. I've connected my LG G Watch to my N4 so Bluetooth, GPS and mobile data are always on.
But Facebook is a Batterykiller I'm working from 07:45am till 4pm and when I come home I've around 40%-50% battery left.

Intriguing, but what is your SoT?

Ultraman1966 said:
Intriguing, but what is your SoT?
Click to expand...
Click to collapse
Around 3-4 hours when my Bluetooth, mobile data(3G) and gps is on. But I can't tell it exactly cause I'm not using it that much anymore cause my primary phone is the N5.

I replace battery, now everithing works perfect. It was battery problem, not software.

Serious battery life problem after update yesterday

So guys, I love my S7 edge, as I'm sure a lot of you do, but after the update yesterday my battery life has taken a serious dive in the wrong direction.
Turns out its the Bluetooth, except I haven't used Bluetooth all day, I've been at work, where I only look at it a few times a day.
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[/IMG]
Any suggestions or fixes?

Turn Bluetooth off?

Make sure Nearby Device scanning is turned off, and make sure Bluetooth scanning is off under Location > Improve Accuracy.

lvnatic said:
Turn Bluetooth off?
Click to expand...
Click to collapse
Funny thing is, bluetooth was never on.

Damn if restarting or clearing system cache in recovery mode doesn't work you might need to do a factory restore

I was thinking "Oh great, yet another dude complaining about losing 5 minutes of his 8 hour SOT", but I'll admit this is a weird issue, especially if you haven't enabled or used bluetooth at all. Have you checked with a different logger, like Gsam?

Jonnyn93 said:
So guys, I love my S7 edge, as I'm sure a lot of you do, but after the update yesterday my battery life has taken a serious dive in the wrong direction.
Turns out its the Bluetooth, except I haven't used Bluetooth all day, I've been at work, where I only look at it a few times a day.
[/IMG]
Any suggestions or fixes?
Click to expand...
Click to collapse
WHICH UPDATE are you talking about? Be specific...
NO problems here:

J.Biden said:
I was thinking "Oh great, yet another dude complaining about losing 5 minutes of his 8 hour SOT", but I'll admit this is a weird issue, especially if you haven't enabled or used bluetooth at all. Have you checked with a different logger, like Gsam?
Click to expand...
Click to collapse
Yeah I'm not the type to moan about poor SOT. The battery life on this phone is among the best. But yesterday was just terrible. Seems today it is doing better. Only time will tell.

I also have battery life issues after the APD1 update. Whereas before the phone had no problem lasting 48 hours, now it struggles to last 36 hours (Exynos here). I hate these stupid updates: notification LED is dimmer under most light conditions, battery life now sucks...thanks, Samsung !

Cst79 said:
I also have battery life issues after the APD1 update. Whereas before the phone had no problem lasting 48 hours, now it struggles to last 36 hours (Exynos here). I hate these stupid updates: notification LED is dimmer under most light conditions, battery life now sucks...thanks, Samsung !
Click to expand...
Click to collapse
I know you are going to hate this, but do a factory reset. Pain in the ass I know, but your battery will be back. Happened to me on the last update. I was relieved after the reset.

backup phone and reset phone system.

horizontal168 said:
backup phone and reset phone system.
Click to expand...
Click to collapse
How do you backup your apps AND app data without root?
Sent from my SM-G935W8 using Tapatalk

Is your phone at&t?

Here's a thought, I also had pretty "bad" battery life after the previous update, and then it got back to normal after I re-enabled the stock Samsung apps that I had previously disabled, so enable them again and let them be for a day or two and see if you notice any changes. This doesn't apply to your bluetooth issue, but I just thought of this now.

jark99 said:
How do you backup your apps AND app data without root?
Sent from my SM-G935W8 using Tapatalk
Click to expand...
Click to collapse
if you have app backup set up through google it should be automagic

Im in the same boat... but i did a factory reset when i installed echo rom. My battery is lucky to get 9hrs with 4hrs screen time. Befoee the update i was getting 14hrs battery with 8.5hrs screen time. Its the 3rd day today so ill see how it goes cos i know it can take a while for thr phone to settle
Sent from my SM-G935F using Tapatalk

mwatson said:
I know you are going to hate this, but do a factory reset. Pain in the ass I know, but your battery will be back. Happened to me on the last update. I was relieved after the reset.
Click to expand...
Click to collapse
Cool. Thanks for the tip. I've experienced exactly the same thing with this update - was getting about 48hrs with just shy of 6 hours screen on time. I have a long weekend coming up, so I'll see how it goes and then restore if I think it needs it.
I typically use Ultra Power Saving Mode overnight. It lost 13% last night in about 9hrs. I would have been disappointed with anything more than about 2%. So hopefully a reset will fix this because I've been loving the battery mode up to this point!!!!

p2kmafia said:
if you have app backup set up through google it should be automagic
Click to expand...
Click to collapse
that backs up the apps, but not the "app data" which is a internally saved to the phone itself.

Basically my "Android System" usage went from 2-3% to 17-19% after this update. On the Exynos. So now the Exynos is now as bad as the SD820 at battery life.
I will reset my phone to factory right now, if this does not solve it (and I highly doubt it) then my only option is to flash the old APC8 firmware (it's possible to do it without rooting, right ?)

jark99 said:
How do you backup your apps AND app data without root?
Sent from my SM-G935W8 using Tapatalk
Click to expand...
Click to collapse
Use Samsung's own Smart Switch Windows application to take the backup.. It backs up everything, your Msgs, Contacts, Documents, Images/Videos, Apps and their settings..