Phone Whirring and then Shut Off - Nexus 6 Q&A, Help & Troubleshooting

Hello Everyone! My phone has been wonky and I gotta know why
SO my N6 likes to shut off in the middle of doing something, most notably using google maps and the camera, I did some searching and someone suggested its related to the phone using apps that require location (Google Maps GPS / Google Camera Save Location Option), but there wasn't much input on that thread. Have any of you encountered anything like this yourselves? My phone would whir after opening Maps or after taking a picture from Camera (the whir sounds like its coming from near the top part of the phone btw) and then it would shut off, anyone have any clues as to what's the problem?

Yup same here for a long time. It's not related to location.
It's definitely something with voltage and battery.
I'm compiling my kernel and I've tried many things.
1/ Bcl needs to be on.
2/It's happening only on high cpu load. And so with camera and gps active.
Because those will use more voltage from our poor Motorola battery.
Using os monitor I've see my battery go to 3800mv from 3500 without big problem but clearly below 3600 there's a chance for the phone to shut down as you describe the thing.
Bcl start limiting and hotpluging core when battery reach 3800mv.
The default value is 1.9 ghz
But on stock kernel the phone is limited at 1.7. I think it's mpdecision and/or thermal that doing this. But I'm not sure.
Anyway nexus 6 is not made to handle 4 cores at the same time on low battery. + camera gps Bluetooth etc...
So voltage can drop to 3800mv to 3600 and then go back to 3800 because there's voltage work on kernel and rom side to prevent those things.
For exemple I've see my phone after unlocking it. Coming back to home. Have 3500mv and then after one minute. Come back to 3700.
So maybe WiFi and cpu was using the maximum voltage they could to sync then when job was over. Go back to a normal voltage use.
Not every phone are affected.
Cpu binning level is important i think.
Mine is 7.
0 use the maximum voltage and 15 the minimum.
I've use a pvs 5 phone and problem was the same with my kernel. So I've changed some stuff and it worked.
So for me my battery is bugged. I mean on low mv battery send bad info and doesn't have enough juice.
I've try rma my phone but Google send me a refurbish phone (the pvs5 one) which have screen burning on it. Yes they send me phone with a navbar stuck....
So I've send them back and I'm planning to change the battery myself
In the hope it solve the problem.
Also my turbo charger make a weird noise when phone battery is full. So maybe my charger have always be bugged and broke the battery in some way.
I'm still trying to understand this. But it's what I've test and understand from this. More or less because I've probably forgot something in there

dynamo147 said:
Hello Everyone! My phone has been wonky and I gotta know why
SO my N6 likes to shut off in the middle of doing something, most notably using google maps and the camera, I did some searching and someone suggested its related to the phone using apps that require location (Google Maps GPS / Google Camera Save Location Option), but there wasn't much input on that thread. Have any of you encountered anything like this yourselves? My phone would whir after opening Maps or after taking a picture from Camera (the whir sounds like its coming from near the top part of the phone btw) and then it would shut off, anyone have any clues as to what's the problem?
Click to expand...
Click to collapse
You can try https://drive.google.com/open?id=0BwCC2VJYgCavbHEwMk9CSFR4Snc
this is the version of my kernel i use (it says beta because it's not yet release, don't worry it will not break anything)
Make a backup of /system /data /cache /boot through twrp and flash the zip file
default settings will normaly make your phone not shut off. i've just go into 29% without problem
i can ear a noise from top speaker sometimes but i just stop touching the phone and it go back to normal.
Like i said above i still think a need a new battery
also i've see some users report a same problem on 6p after nougat update maybe we're on something

Related

[Q] Another phone getting hot thread

Ok, I can't put my finger on to the reason my phone is getting hot - no other temp threads I could find covered it.
It's 6 months old and it just started happening.
Build: FRG83 v 2.2.1
Power off, place in cradle - charges fine - stays cool.
Applied power (while in cradle) - stayed cool - battery was 100% already - woke up this morning after 6 hours and it was hot.
Pulled battery out, let sit until cool. Put in and powered - now is running cool.
Yesterday I picked it up and for no reason (that I could tell), it was hot and chewing through the battery.
Uninstalled all recently installed apps (don't have much on it right now)
I don't use exchange for mail (just gmail).
Has anyone else seen this odd behavior. There has to be some rhyme or reason to this. I'll keep uninstalling apps, but I'm not seeing anything running that is unusual...
Thx for any help
-P
pwkpete said:
Ok, I can't put my finger on to the reason my phone is getting hot - no other temp threads I could find covered it.
It's 6 months old and it just started happening.
Build: FRG83 v 2.2.1
Power off, place in cradle - charges fine - stays cool.
Applied power (while in cradle) - stayed cool - battery was 100% already - woke up this morning after 6 hours and it was hot.
Pulled battery out, let sit until cool. Put in and powered - now is running cool.
Yesterday I picked it up and for no reason (that I could tell), it was hot and chewing through the battery.
Uninstalled all recently installed apps (don't have much on it right now)
I don't use exchange for mail (just gmail).
Has anyone else seen this odd behavior. There has to be some rhyme or reason to this. I'll keep uninstalling apps, but I'm not seeing anything running that is unusual...
Thx for any help
-P
Click to expand...
Click to collapse
Contacting HTC for a new device wouldn't be a terrible idea, since it seems that everything is darn near stock and not your fault.
I did think of that, but am having trouble believing that it is a hardware problem...
Kinda my fall back plan...
Did you try to run something like SystemPanel and see if there's any app that has your Nexus running at 100% speed all the time?
Ahh, nice app - never saw that...
I'll monitor it now - it started getting hot again then it cooled off. Said it was 32C - but nothing out of the ordinary was running... (Except amazon mp3 - not sure why it is out there, I wish I could make that go away)...
You can't make Amazon stop, you have to uninstall it (which is possible if you're rooted).
See what the frequency is - if it's idling around 300 MHz, you're ok.
Yeah, I know about the amazon thing...
Weird - started talking on the phone and it got hot (and sucked serious power) - ended call and now it's cool again.
Every time I go and look at CPU use it's low (starts high as I switch task but then drops to almost nothing which I would expect)
It might be a crappy battery.
I'm trying to figure out why the CPU would get hot if the battery is bad... Temp is definitely coming from the case below the battery in the trackball area...
I have a lot of experience with LiPo's - usually takes much higher A rates to get them to heat up - we aren't even draining them at .5C.
Now, this battery did come from the wife's N1 - but this problem did not coincide with the swap...
Only time I feel the area around the trackball heating up (the CPU) is when I'm doing something intensive, and not that often. Did System Panel show anything was using CPU? You could also watch top in a term or via adb, and watch for network traffic.
You have a rogue app or bad hardware. Have you tried doing a factory reset and seeing if it also happens? Are you using a stock ROM? You mention the ROM in the OP but there are a lot of custom ROMs that are of that build.
This is a stock 2.2.1 on unmodified hardware.
I swapped batteries back and still get the same thing.
I was obviously thinking rogue app, but I don't see anything running that is 'bad'... Also it is hard to tell from the aforementioned app what the CPU is really doing when it's going crazy, as the CPU spikes when switching to the app and then settles back down to 200-300 MHz...
The other weird thing is that it seems to get really warm when charging off the PC now (didn't look close at system details at that point - was the other day)... Not even having the SD card mounted...
Will see what top shows next time I have it plugged in.
No, didn't do a factory reset yet. Was hoping to find the culprit first, but it's not looking good...

[Q] Battery charging paused by too high or low temperature

Hi,
I've tried to search for a solution but haven't find any. You know there is a message when battery temperature gets too high then charging stops. The popup message is very very annoying: I use navigation and blackbox while driving. And when this message comes I have to press OK, and 5 secs after it appears again... very very annoying.
I agree with not to overheat the battery but why not just stop charging without this message? Is there any trick to eliminate this? In summer time and sunny days this msg comes very often. I have to place a piece of plastic to car's ventillation hole to minimizing the chance of this msg.
I don't care if it's charging or not, I just don't want to see this msg.
Please help if you have any idea!
I'm on stock JVR now, rooted, underclocked @ 800MHz. Other ROMs (CM7, MIUI) just stops carging without any message.
Had the same problem awhile back,reflash jvr, and dont use undervolting/overclocking programs/kernels.
faria said:
Had the same problem awhile back,reflash jvr, and dont use undervolting/overclocking programs/kernels.
Click to expand...
Click to collapse
+1 Dont OC/uV too much.
My apologies guys, but please read: I don't use OC/UV, I use stock and underclock.
With normal use and simple charging everything goes well but under heavy use I get this message while charging. Under heavy use I mean navigation, blackbox, and of course phone is at the windscreen while heated by the sun. The phone's glass is hot. It's normal of course because I use CPU intensive apps.
I repeat: I don't care about charging or not, just want this message to be disappeared.
I just unplug mine from the charger when this pops up. It happens with me in exactly the same circumstances. GPS navigation, dashboard of the car, and bright sunny days, it's not an overclock issue, just high ambient heat source, high cpu usage plus charging.
I also find it's aggravated by the silicon skin case I use.
PhilPassmore said:
I just unplug mine from the charger when this pops up.
Click to expand...
Click to collapse
Yes I'm doing the same as workaround. But other ROMs just stop charging and continue when phone cooled down without any message. It would be very nice to just remove this message by a script or editing a script or something else (I'm not a dev just an "I-like-to-hack" power user).
DO your devices get extremely hot at all? Mine did ,to the point that it was to too hot to handle, im surprised the dam thing did not exploded.
As for removing the message i have not a clue how too, i do know however that is is triggered by the thermal sensors.
I can also recall this happening with my windows mobile devices a few times,this happened when the gps services were stuck working in the background.
In all occasions the only fix a found was to re flash the rom.
faria said:
DO your devices get extremely hot at all? Mine did ,to the point that it was to too hot to handle, im surprised the dam thing did not exploded.
Click to expand...
Click to collapse
No, it's not too hot, it's just warm enough. I don't say it's abnormal because in direct sunlight while charging and using cpu intensive apps it's normal. Just try to figure out is there any chance to do this all without this message...
Ok, I'll wait for someone who knows something or know someone who has seen someone who know something...
Referring to other threads I'm not the only one with this problem and not SGS is the only one with this problem.
While this message is not needed and has no function it has to be eliminated some way because tapping OK is very disturbing while driving/navigating/etc...
Script? Kernel patch/hack? Something? If some ROMs can do it (like MIUI) there must be a way to have it disappeared...
I had the same problem with a Galaxy S II today. First, it began to warn me that was starting charging. And 1 second later it warn the Power Saving was activated and the charger was turned off.
Later, it said 'Charging pause. Voltage too high'. When I've tried to power off the phone, it was powering on by itself.
During the morning, I've used the phone to consume battery. At the afternoon, I put it via USB cable and it seems the problem is solved, for now.
I'm using the ICS ROM beta, by Samsung, have some days.

[Q] Phone runs hot, High Drain - All usual fixes tested.

Device: Samsung Galaxy S GT i9000
Symptoms:
When Charging Device is hot to the Touch in the upper half of the screen and on the rear between the camera and the heat vent.
Battery drains at around 15-25% per hour when IDLE. 15% when in deep sleep in airplane mode with ALL APPS KILLED. 25% when I leave ALL network connections open and allow sync.
Phone was new less than 2 months ago. Still under warranty and I will send it back if no ideas come from this but wanted to see if anyone had a solution as I have noticed HUNDREDS of similar posts all vaguely scattered through different threads on different sites around the web and this seems like the definitive place to come to see if anyone can put their finger on it.
When did this occur?:
A short while after (days) of flashing CM9 nightly from the beginning of June (05/06 I think but can't recall exactly).
Tests performed:
Purchased new battery and fully charged - no change.
Flashed stock GB ROMs where the issue had not occured - no change.
Cleared battery stats several times - no change.
Tried different modems/radios including Nexus S radios- no result
Current ROM: CM 7.2
Kernel: Glitch 13.1
Other ROMs/Kernels where the same results were achieved...
CM9 (latest nightlies)
Stock JVU, JVS, JW4 and JW5
Semaphore Kernel, Devils Kernel
I use Voodoo Sound/Colour kernels apart from the testing I did with stock ROMs
Will leave it on over night after clearing stats so you can see for yourselves.
Any questions ask away.
I should add:
Used OS Monitor and one of the more detailed CPU monitors to look at what was going on.
Did not appear at any time to be using what I would consider high CPU utilisation, typically trending between 0 and 30ish. No background apps running, all radios turned off.
The only anomaly that stuck out at me is that system_server was using ~105% of RAM which I would have thought was rather difficult. Made me wonder if there was something loading/unloading itself from RAM.
As I am a heavy music user I have tested the Mediaserver issue where corrupt files are continually scanned by mediaserver process. Removed all media files from both my external and internal storage then formatted both while on a stock ROM (JVU and JW4). There was no change.
EDIT: I should add - The thing that makes this so strange to me is that the battery decreases at a rapid rate when Battery stats regarding usage DO NOT CHANGE. The percentages for the apps that WERE using the battery - i.e. winamp/mediaserver/android system do not change.
The reason I have posted this is that i have seen literally HUNDREDS of people posting this very same issue but never in the same place and never getting an answer.
Also - Thankyou to the kind mod/admin who approved my account so I can edit stuff. It was getting a bit annoying for the first week there.
Re
Hi,
To be honest I never heard/read of the problem you are describing. Most users report high battery drain on a certain ROM/kernel/modem but you say you have tried quite a lot.
If the phone is new, the only thing that comes to mind is that the USB charging socket is faulty. It may not charge properly or even have some bad connectors that are damaging the battery.
In any case, Samsung support is the way to go here.
Hope this helps
OMG, im having the same exact problem... the phone is super hot on the back where the sim card is inserted. I did everything as you, still no change, my battery lasts like 7 hours on deep sleep. Guess our phone is broken. super crap.
Anyone knows how to fix this? Is there anyway that my phone has some files from previous custom roms even though used odin to flash samsung original ones?
Had the same problem when my device was only 6 months old, the battery was becoming faulty, got a new battery and problem solved.
I bought a new battery and i still have the same problem... which battery did u get?
streakpt said:
I bought a new battery and i still have the same problem... which battery did u get?
Click to expand...
Click to collapse
An official samsung battery from Amazon, re flash you device with another rom and wipe battery stats.
Did all that, the problem still continues... mega battery drain and the phone is at 44C degrees... is there any tool i can use to diagnose the problem?
Hi snaleman,
You could try BetterBatteryStats, to help diagnose your issue further, there is a paid version on the market (Google Play Store). There is also a thread on this forum, from the dev....hint
I tried winamp for android, ages ago, but had similar issues. (This player might well be your issue.) So I now use "PowerAmp". Neutron MP is cool too.
Also, do you use lippol94's kernel cleaning script. I use this every kernel/ROM change.
Search here for this:
ultimate_kernel_cleaning_script
Hope this info helps your baby.
Hey
U can try to flash a stock rom from sammmobile.com..
Use it for a few days and check...may help u..
Cheers
Sent from my GT-I9000 using xda app-developers app
Backup your apps with titanium backup or something else.
Make a backup from CWM recovery
Wipe data/cache/dalvik
Restore user apps and not system app
If your problem is not fixed you can restore your CWM backup
Nothing you guys posted worked... battery lasts 11 hours on sleep...
Another problem that im facing is that when im on a phone call, theres is alot of breaks in the other persons voice and sometimes the voice call goes out and i lose all my network signal.
If you are using the Voodoo sound app that may be the cause. I've noticed on my phone that deep sleep no longer works when the voodoo app is installed, most likely the app is holding a partial wake lock and not releasing it.
See if it happens with the app uninstalled or frozen.
Sent from my Nexus 7 using Tapatalk 2
Signal Strength¿
streakpt said:
Another problem that im facing is that when im on a phone call, theres is alot of breaks in the other persons voice and sometimes the voice call goes out and i lose all my network signal.
Click to expand...
Click to collapse
You've just made me think of something else that it may be.
Do you have 4 or 5 bars of signal strength?
I've found when in certain areas (very close to "deadspots" in network reception), that if I use another frequency, [eg. 900 & 2100 (for my network), yours may be different] I can get a better signal, also much better battery life, as the phone is not struggling to reach the network.
If you use your dialer to enter this code
*#*#197328640#*#*
Then
[1] DEBUG SCREEN
THEN
[8] PHONE CONTROL
then
[7] NETWORK CONTROL
then
[2] BAND SELECTION
you will then have a selection of frequencies available. The asterisk * will tell you what one(s) is/are active.
"Google" your network service providers frequency bands. I found mine were on a "Wiki" page.

An exercise in battery longevity.

Hello everyone, im here to share my future experiences with seeing just how far i can push my battery and share how i did it with everyone.
Backstory:
I'm going hiking in Virginia tomorrow for a week, and would really like to have a camera without carrying extra devices, so..... its time to mod my nexus 5 as low power as possible!
here are some of the "prep steps" that ive done in order to obtain my battery life, i'll update the thread to let everyone know how it worked out!
Rooted
CM stable installed. (up to date as of this post)
Screen Brightness set to low as possibe.
Elemental X Kernel installed (Using TricksterMOD, these are my settings)
Multicore power saving = 2
CPU Freq. Lock= Min( 652800) Max( 652800) Max.screen off(300mhz)
Google Now/voice anything turned off
Home screen has only one page
Airplane Mode
Greenify Installed, Using Xposed Module for advanced/better control
Hibernating almost everything 3rd party, esp things like Facebook,KiK etc.)
BootManager xposed module installed, everything disabled that isn't needed.
Installed gsam for more meaningful data logging.
Unchecked Auto Sync Data in the Data Usage settings
Changed CPU clock min/max 652800
Installed Deep sleep battery saver Xposed module. (on slumber profile) buts phone into deep sleep when screen is off.
If i remember anything else i did on here, i'll post it.
(sorry its taking so long for replies/updates, "new user status" prevents my posts 5 minutes in between.) (hard to believe, been a member since 2011, just lurked alot.)
*May have found lower limit on the CPU, no instability as of yet, however phone is acting a bit erratic, looking into this currently. (booting takes FOREVER. this is a problem.)
*Trickster seems to pick and choose sometimes whether it wants to listen to me, sometimes CPU freq. on sreen off is changing to 652800 on its own. :/ anyone know of a way to get it to respect my settings?
*Changed CPU freq. to min max 652800 based on advice of the community.
Usage scenario:
I'll be using my phone mainly for pictures throughout the trip and possibly listening to some music, anytime its not in use, ill be turning it outright off, however, id really like to see just how far i can take this.
Anyone have any other suggestions for longevity?
gh0stpirate said:
Hello everyone, im here to share my future experiences with seeing just how far i can push my battery and share how i did it with everyone.
Backstory:
I'm going hiking in Virginia tomorrow for a week, and would really like to have a camera without carrying extra devices, so..... its time to mod my nexus 5 as low power as possible!
here are some of the "prep steps" that ive done in order to obtain my battery life, i'll update the thread to let everyone know how it worked out!
Rooted
CM stable installed. (up to date as of this post)
Screen Brightness set to low as possibe.
Elemental X Kernel installed (Using TricksterMOD, these are my settings)
Multicore power saving = 2
CPU Freq. Lock= Min(960000) Max(stock) Max.screen off(157440)
Google Now/voice anything turned off
Home screen has only one page
Airplane Mode
Greenify Installed, Using Xposed Module for advanced/better control
Hibernating almost everything 3rd party, esp things like Facebook,KiK etc.)
BootManager xposed module installed, everything disabled that isn't needed.
If i remember anything else i did on here, i'll post it.
Usage scenario:
I'll be using my phone mainly for pictures throughout the trip and possibly listening to some music, anytime its not in use, ill be turning it outright off, however, id really like to see just how far i can take this.
Anyone have any other suggestions for longevity?
Click to expand...
Click to collapse
Don't forget Google Now and Auto Syncs. (uncheck Auto Sync Data in the Data Usage settings).
Check out this thread here for some more suggestions.
I've been able to push it pretty far even with an active internet connection, though most of the usage comes from reading Reddit or forums with Tapatalk. That was on stock with no root access.
It's possible that it will take less power to just put your phone to sleep when not using than booting it up every time you need it. Depends on how often you boot though.
bblzd said:
Don't forget Google Now and Auto Syncs. (uncheck Auto Sync Data in the Data Usage settings).
Check out this thread here for some more suggestions.
I've been able to push it pretty far even with an active internet connection, though most of the usage comes from reading Reddit or forums with Tapatalk. That was on stock with no root access.
Click to expand...
Click to collapse
Thanks for the tips! heres what i changed:
installed gsam for more meaningful data logging.
unchecked Auto Sync Data in the Data Usage settings
changed CPU clock min/max 300mhz
Zainiak said:
It's possible that it will take less power to just put your phone to sleep when not using than booting it up every time you need it. Depends on how often you boot though.
Click to expand...
Click to collapse
I was thinking that as well, however it would be difficult to find that "mid point" if i had an emergency backup of battery bank to test this theory, i would. However, im going to be stuck in the mountains and would rather have the ability to take the pictures i want rather then pure data log expedition. Great insight/hivemind though.
gh0stpirate said:
I was thinking that as well, however it would be difficult to find that "mid point" if i had an emergency backup of battery bank to test this theory, i would. However, im going to be stuck in the mountains and would rather have the ability to take the pictures i want rather then pure data log expedition. Great insight/hivemind though.
Click to expand...
Click to collapse
Based off my experiments, it takes less than 1% of battery to reboot the phone though I would guess somewhere in the 0.5% range. In airplane mode with all of these functions disabled and in deep sleep, 1% would probably get you 6 hours of idle time or even more. Therefore I would only power it down if you won't be using the phone for at least the next 6 hours. Rough estimations of course, I think either way it would be pretty similar.
If the phone is not powered down you might be inclined to use more than you would otherwise.
bblzd said:
Based off my experiments, it takes less than 1% of battery to reboot the phone though I would guess somewhere in the 0.5% range. In airplane mode with all of these functions disabled and in deep sleep, 1% would probably get you 6 hours of idle time or even more. Therefore I would only power it down if you won't be using the phone for at least the next 6 hours. Rough estimations of course, I think either way it would be pretty similar.
If the phone is not powered down you might be inclined to use more than you would otherwise.
Click to expand...
Click to collapse
Extremely interesting/relevant! do you still have any screenshots or data logs on these restarts anymore?? if thats the case, then yes, id only turn it off while im sleeping then!
gh0stpirate said:
Extremely interesting/relevant! do you still have any screenshots or data logs on these restarts anymore?? if thats the case, then yes, id only turn it off while im sleeping then!
Click to expand...
Click to collapse
Unfortunately I do not, just speculation based off what I've seen when monitoring current draw (using Current Widget) and the battery percentage before and after a reboot.
I do have shots demonstrating low idle drain with Auto Syncs and Locations disabled. On average I'd say my drop is about 1% over 5 hours of deep sleep, but it's always hard to tell because there's no way for me to know exactly when it drops without active logging which would interfere with the phone's deep sleep.
Generally speaking a reboot uses ~1% of your battery. If you're locking your CPU to run at only 300mhz I would just leave it on the entire time. Especially if mobile data is off and so is WiFi. Make sure you go into Settings > WiFi > *Touch the 3-dot menu* > Advanced > Disable "Scanning Always Available". I lose about 1-2% in airplane mode overnight over clocked with high quality sound driver from Viper4Android. Plus the Google now hotword activated everywhere but lock screen.
A while back I did a test with my N5 to purposely nerf its power to see how long of a SoT I could get with it. I did pretty much everything you mentioned in the OP. Locked max CPU frequency to match min. Lowest screen brightness, airplane mode, etc. I was able to get over 12 hours SoT. So if the N5 can get 12 hours with the screen on using the same setup you plan in using with the phone getting nice and warm... I don't think a week standby time is too farfetched as long as it's idle most of the time except for pictures. Depends on how much music you listen to I guess. Only problem is even with music saved on the device itself, running at 300mhz you're going to run into skips and pops. Especially when the screen is off. Music playback will be kinda iffy.
Good luck though and let us know how it goes.
Edit: Actually I was mistaken. I just disabled everything like location, sync, etc. Default kernel parameters except switching to ondemandplus governor. This was on an older release of Uber kernel. 12+ hours SoT with ~30% battery remaining!
Here's my post;
http://forum.xda-developers.com/showthread.php?p=52133394
You'll suffer Lag I would think with CPU at 300mhz max. And likely use more battery than your saving with the phone struggling to process anything.
May have instability issues too. I'd rethink that.
KJ said:
You'll suffer Lag I would think with CPU at 300mhz max. And likely use more battery than your saving with the phone struggling to process anything.
May have instability issues too. I'd rethink that.
Click to expand...
Click to collapse
I agree, but I think that if the phone isn't used at all besides some pictures here and there, it should be fine. If he plans on music playback he's going to have to raise the max frequency, no question. Music playback won't work reliably that low. I don't think lag will be an issue for him considering what's he's trying to accomplish with the phone, but I can't speak to instabilities with 300mhz as max as I've never tried it.
RoyJ said:
I agree, but I think that if the phone isn't used at all besides some pictures here and there, it should be fine. If he plans on music playback he's going to have to raise the max frequency, no question. Music playback won't work reliably that low. I don't think lag will be an issue for him considering what's he's trying to accomplish with the phone, but I can't speak to instabilities with 300mhz as max as I've never tried it.
Click to expand...
Click to collapse
Currently Using Apollo music player, can confirm Zero issues using music playback, confirmed CPU freq. using cpu frequency app. most of these things are using hardware decoders
RoyJ said:
I agree, but I think that if the phone isn't used at all besides some pictures here and there, it should be fine. If he plans on music playback he's going to have to raise the max frequency, no question. Music playback won't work reliably that low. I don't think lag will be an issue for him considering what's he's trying to accomplish with the phone, but I can't speak to instabilities with 300mhz as max as I've never tried it.
Click to expand...
Click to collapse
But if the phone is sleeping soundly as it should.... The max CPU is irrelevant if not being used. The lag and strain to run processes may hurt a lot though.
You let the music play while the screen was off for a few minutes or did you just play it for a few seconds? I have music stutter on screen off with frequencies higher than 300mhz. I get it with 729mhz. If it doesn't happen to you, awesome. Not sure why though. Do you have time to purchase an OTG charger? Might be worth looking into and they aren't that expensive.
http://www.amazon.com/Best-Sellers-...-Phone-Battery-Packs/zgbs/wireless/7073960011
Currently listening with screen off/on full songs. No issues. no time to purchase an OTG charger however :/
Updated main post to reflect newest enhancements.
Trickster seems to pick and choose sometimes whether it wants to listen to me, sometimes CPU freq. on sreen off is changing to 652800 on its own. :/ anyone know of a way to get it to respect my settings?
It can be done
Sent from my Nexus 5 using XDA Free mobile app
I seem to remember a thread somewhere on xda regarding a CPU's "race to finish". Basically a cpu will work as much as it can (or better said "is allowed) to finish each task after which go to a low power state, like a marathon runner accelerates on certain portions and then "coasts" to conserve energy or a a car running on a near empty gas stank. Since you have a couple of days left I would try raising the frequency (600,800 and 1000) and see what happens to the power drained. It would definitely help with usability, as well as enable using photosphere or panorama ( which take quite a few seconds even at full speed to process) if needed. If the power drain would increase by less than 10% I would call that an acceptable trade-off.
While there is nothing wrong with finding the limit of your device, I think that an external battery pack would be a much better solution. There are ones available for less than $20 that could fully charge your device twice,
Flukzr said:
I seem to remember a thread somewhere on xda regarding a CPU's "race to finish". Basically a cpu will work as much as it can (or better said "is allowed) to finish each task after which go to a low power state, like a marathon runner accelerates on certain portions and then "coasts" to conserve energy or a a car running on a near empty gas stank. Since you have a couple of days left I would try raising the frequency (600,800 and 1000) and see what happens to the power drained. It would definitely help with usability, as well as enable using photosphere or panorama ( which take quite a few seconds even at full speed to process) if needed. If the power drain would increase by less than 10% I would call that an acceptable trade-off.
While there is nothing wrong with finding the limit of your device, I think that an external battery pack would be a much better solution. There are ones available for less than $20 that could fully charge your device twice,
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I remembered a discussion along those lines, ill bump the freq. to 652800 min max, and update the main post. An external pack would be great, but i unfortunately just don't have the cash at the moment. between the trip and i just ordered a triple monitor stand and a new wifi usb to play with nethunter
gh0stpirate said:
Screen Brightness set to low as possibe.
Airplane Mode
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Click to collapse
This is basically all you need, the phone will idle for a week or so in airplane mode.

Has anyone fixed random shutdowns?

Has anyone fixed that phone's random shutdowns even replacing the battery with a generic one? I want fix that but idk if a generic battery can fix that shutdowns at <30%
I'm have a Xiaomi mi a1 but I'm still love this phone.
I've been suffering with this problem forever now. Actually I just registered to this forum looking to solve this.
What I know so far from my experience & what I've read from brazilian foruns:
-Replacing the battery doesn't fix the problem, maybe gets the % of the shutdown a little down for a while
-Calibrating the battery also doesn't work
-Simply resetting to factory version neither
-Mine will shutdown no matter the %, sometimes even with 90%, so I assume it's lying about the real battery level
-Opening the camera app is almost guaranteed to cause a shutdown, even more if I try to take a pic or film a video. Other apps that take pictures might work properly though
-Switching between the apps too much, conecting to wi-fi, accessing files, waking it up after a long hibernation are also causes of shutdowns for me, so I guess processing too much makes it die
I still don't know if the cause is a hardware or software issue. I mean, my phone has been through some falls, many different chargers & cables (some fake), hasn't received any updates in a long time, nor has been reset. I think it's probably the battery circuit board (is this the correct name?), but if someone has a solution, please let us know.
Also I'm about to root and try to mod something for myself, see if something works.
@fer_cabgar
@HebaoTM
Actually the problem is the battery and the CPU. Whenever the CPU draws current and the battery voltage drops to below 3.0V, the phone shuts down.
Replacing a new battery would fix this but the "new" original battery is suspect because it was all made in 2014, so that's why it doesn't solve the problem
What I did was, I rooted my phone and used "Kernel Tasker" from Google Play to bring down my max cpu from 2.5 to 2.0 and also using this app can change the governor at a specific battery % automatically.
For example at 40%, I set the governor to Powersave. So at 41% I set it back to Interactive.
So now it's auto and my phone doesn't shut down anymore.
You can experiment with what battery %, which governor and what MHz works for your phone.
Bringing down max cpu didnt help for me, i had to change the battery to fix it .

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