[Q] Why does my phone sometimes restart automatically - Android Q&A, Help & Troubleshooting

Recently, the operation system of my android phone has got a slow speed. what's more, it sometimes restart automatically. I don't know why. could anyone help me to figure out this problem. thanks.

try to reflash your rom (do a clean install) ?

Thanks. I will have a try.
photonxda said:
try to reflash your rom (do a clean install) ?
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Related

[Q] Frequent random reboots [KS2/KS3 stock/custom]

hi.
i flashed stock rom S5830XWKS2 through Odin. the phone started rebooting randomly.
then i flashed custom rom TheMyth KS3 but the problem kept getting worse. when i'm using the phone, it reboots every few seconds.
i flashed stock rom S5830XWKS3. but the Baseband version in the phone didnt change (S5830XWKS2). and the problem is still persistent.
the phones does not do full reboot. it freezes, the screen goes black, then goes strait to the boot animation.
also, if it reboots while transferring files through mass usb storage, the transfer doesnt stop, to continues normally.
1. any idea why is this happening?
2. why didnt the baseband version change when i flashed KS3?
3. do you recommend another stock rom to flash.
p.s: KS3 seems fast. i got 1040 score in quadrant on stock rom.
i would appreciate any help. thanks
dali47 said:
hi.
i flashed stock rom S5830XWKS2 through Odin. the phone started rebooting randomly.
then i flashed custom rom TheMyth KS3 but the problem kept getting worse. when i'm using the phone, it reboots every few seconds.
i flashed stock rom S5830XWKS3. but the Baseband version in the phone didnt change (S5830XWKS2). and the problem is still persistent.
the phones does not do full reboot. it freezes, the screen goes black, then goes strait to the boot animation.
also, if it reboots while transferring files through mass usb storage, the transfer doesnt stop, to continues normally.
1. any idea why is this happening?
2. why didnt the baseband version change when i flashed KS3?
3. do you recommend another stock rom to flash.
p.s: KS3 seems fast. i got 1040 score in quadrant on stock rom.
i would appreciate any help. thanks
Click to expand...
Click to collapse
Hey !
The Baseband Version is KS2 while Build is KS9 (in my stock rom)
If you end in Bootloops, press Power + Home till you get into recovery, then Clear data/Factory Reset and clear Cache, then reboot.
Come back and tell me if it worked for you.
Greetings
thank you for your reply.
it's actually not a bootloop. the phone boots normally and works fine for some times (few seconds/minutes) then it freezes for few seconds, then the screen turns black for a second, then shows the boot animation (doesn't show the boot screen with the samsung logo). it works fine for some time, then again.
it seems that the problem is related to the wifi. it only happens when wifi is on.
On Samfirmware.com they say that you should make a Factory Reset after flashing, maybe that works for you ? I flashed the KS9 Stock today and had some problems till I did this in Recovery. Else I would have no Idea, maybe reflash or get another Version ?
You could also try to install any custom Rom, like Jusada´s ICS for example, just to test if there are problems with CM also ..
Umm, maybe a question to those who only touch the Earth to answer our Newb questions...is it possible that the Ace restarts when it get´s attacked from the outside ? I faced that after flashing a Rom that I modified and didn´t have the right Permissions the Phone restarted/bootlooped when I tried to install any App (\data\app wasn´t set correct)
Greetings
thank you. i guess i'll try to flash again. or maybe try a different stock.
dali47 said:
thank you. i guess i'll try to flash again. or maybe try a different stock.
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Click to collapse
If you had the Android SDK Tools , you could show me a logcat of what's going on
EmoBoiix3 said:
If you had the Android SDK Tools , you could show me a logcat of what's going on
Click to expand...
Click to collapse
hi. i do have the sdk. here are a few log files:
http://pastebin.com/Amt00nuY
http://pastebin.com/SHeasfvq
http://pastebin.com/sirV2FEe
this is the first time i use logcat, so if there is a command or option i should use to make the log file more useful, just let me know.
thank you for your time
dali47 said:
hi. i do have the sdk. here are a few log files:
http://pastebin.com/Amt00nuY
http://pastebin.com/SHeasfvq
http://pastebin.com/sirV2FEe
this is the first time i use logcat, so if there is a command or option i should use to make the log file more useful, just let me know.
thank you for your time
Click to expand...
Click to collapse
The original TheMyth creator said that KS3 was badly unstable .
Use KS2 instead
Sent from my GT-S5830 using XDA App
EmoBoiix3 said:
The original TheMyth creator said that KS3 was badly unstable .
Use KS2 instead
Sent from my GT-S5830 using XDA App
Click to expand...
Click to collapse
He should try to upgrade to KS3 v1.1. That's final update for TheMyth KS3 with:
- Meizu Myth theme
- BLN Control activated
- changed some small things
>> I think this update can help him to solve frequent random reboot in TheMyth KS3
http://mobile.livemodding.com/forum/398-samsung-galaxy-ace/
Click to expand...
Click to collapse
my first attempt was with KS2. that's when the problem started, even before i install TheMyth. The 1.1 update didnt help either.
I guess my phone is not getting along with the KS2 baseband. i will just switch to GingerReal, hopefully it will be stable.
thank you everyone

random reboots !

Hello everyone !
my atrix start gets crazy... when i turn it on, after 5 seconds its got reboot.
and the battary precentege is going from 100 % to 40 % after the reboots..
what i should do ?
thank u :good:
Did you try to change the kernel? Sometimes that helps, in my case for the GB based roms i solved it that way
Hi
you don't say if you have changed anything recently (eg installed a new rom).
What i would recommend is you go into recovery and wipe your cache, reboot and see how that is.
If you have your current rom on your sd card then reinstall it (no need to wipe data)
If you have installed a new rom, try to go back to a more stable one that works for your phone.
good luck
i try waht you said and its not helping..
iAtrix 4g said:
i try waht you said and its not helping..
Click to expand...
Click to collapse
you need to tell us what you have done to your phone prior to your problems
i dont do nothing.. its just happen
Stock ROM, or custom ROM? If it's ICS leak based, that's your problem.
LāvLab / HostileSlothRecords
iAtrix 4g said:
i dont do nothing.. its just happen
Click to expand...
Click to collapse
what rom are you using?
have you installed a kernel?
have you installed any apps before your problems?
you said that you have tried everything that has been suggested... what have you tried to do (be specific)
iAtrix 4g said:
Hello everyone !
my atrix start gets crazy... when i turn it on, after 5 seconds its got reboot.
and the battary precentege is going from 100 % to 40 % after the reboots..
what i should do ?
thank u :good:
Click to expand...
Click to collapse
Well it can bee battery or WIFI/BT chip. You can check does your wifi an bluetooth work if they doesn't work or provide error mesages then your chip has burned out and you need to delete WIFI/BT driver or check does whit other battery your phone work.
But maybe it can be solved whit just factory reset and wipe caches in recovery. Hope that this will help you.
P.S.
If you can't check your phone whit other battery you can use factory cable, and then battery isn't necessary.
barry_ said:
what rom are you using?
have you installed a kernel?
have you installed any apps before your problems?
you said that you have tried everything that has been suggested... what have you tried to do (be specific)
Click to expand...
Click to collapse
I use Laytveyit v5.. i dont install kernal
i dont installed any apps before the problem
i heve tried to installed other roms (topsmart, mrom, Laytveyit v5)
and i do factory reset, wipe data\ cache\ battary stats..
firecode95 said:
Well it can bee battery or WIFI/BT chip. You can check does your wifi an bluetooth work if they doesn't work or provide error mesages then your chip has burned out and you need to delete WIFI/BT driver or check does whit other battery your phone work.
But maybe it can be solved whit just factory reset and wipe caches in recovery. Hope that this will help you.
P.S.
If you can't check your phone whit other battery you can use factory cable, and then battery isn't necessary.
Click to expand...
Click to collapse
my BT \ WIFI never worked.. when i got it were many problems so i stopped using it ..
how i delete the WIFI\ BT..
i try to do factory reset and wipe caches in recovery and its isnt help..
LavLab said:
Stock ROM, or custom ROM? If it's ICS leak based, that's your problem.
LāvLab / HostileSlothRecords
Click to expand...
Click to collapse
custom rom leytveit v5
iAtrix 4g said:
my BT \ WIFI never worked.. when i got it were many problems so i stopped using it ..
how i delete the WIFI\ BT..
i try to do factory reset and wipe caches in recovery and its isnt help..
Click to expand...
Click to collapse
You can tray this rom: http://forum.xda-developers.com/showthread.php?t=1656760 where wifi/bt driver alredy is deleted but you can use other rom and delete dhd.ko file. It can bee stored in different locations and whit different name for different rom:
/system/lib/modules
/system/lib/
or for example in ICS leak rom /system/lib/modules/bcm4329.ko
But if you can't do it just upload rom somewhere in internet share link and I will modify it for you.
somebody ?
iAtrix 4g said:
somebody ?
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Click to collapse
What somebody?

Phone closes and reboots

hi all,
i have a E10i phone and i got a problem on it.
the phone sometimes closes while using and opens again and sometimes it closes and stays there. the phone is pretty old.
do you think it cant be fixed? does anyone knows for phones and knows where is the problem?
sorry for my bad english
leonleonleon said:
hi all,
i have a E10i phone and i got a problem on it.
the phone sometimes closes while using and opens again and sometimes it closes and stays there. the phone is pretty old.
do you think it cant be fixed? does anyone knows for phones and knows where is the problem?
sorry for my bad english
Click to expand...
Click to collapse
I can't understand your problem well but I think full wipe or flashing stock rom using a computer will fix your problem , good luck:beer:
This is JAY-Z-S
jay-z-s said:
I can't understand your problem well but I think full wipe or flashing stock rom using a computer will fix your problem , good luck:beer:
This is JAY-Z-S
Click to expand...
Click to collapse
lets say, im going to take pic. whil it takes the pic the phones closes entirly and then boots again.
i tried everything. this started with stok rom, tried other roms and nothing. i think its hardware problem
what is your rom and kernel???
Sent from my E10i using xda app-developers app
now i have MiniCM7 with his kernel
leonleonleon said:
now i have MiniCM7 with his kernel
Click to expand...
Click to collapse
Does it crashes at gallery or downloading files? If yes its caused by your damaged sdcard ,try a new one
This is JAY-Z-S
jay-z-s said:
Does it crashes at gallery or downloading files? If yes its caused by your damaged sdcard ,try a new one
This is JAY-Z-S
Click to expand...
Click to collapse
when im putting the SIM cart or going to take pic it reboots, in idle it has no problem. it plays videos as well.
that problem was with stiock rom too, i think it might be tecnical problem
leonleonleon said:
when im putting the SIM cart or going to take pic it reboots, in idle it has no problem. it plays videos as well.
that problem was with stiock rom too, i think it might be tecnical problem
Click to expand...
Click to collapse
Wasn't with this phone, but when i used LG GT400 i had some problems as well and it really needed some hardware repairing in the store.
So maybe your phone needs a repairing as well, because in time some things in the phone start to lose it's capacity.
Or, you could change your camera apk and see if it still reboots the system, or it can be something about the SIM card as well because i was told that the problems i had with the LG phone could be because of the SIM card, so maybe a good idea is to change SIM card and take phone to Repair if the camera apk change doesn't work, and if going back to the Eclair Original ( not flashing a backup, not rooting, not having cwm, just flashing the Eclair Original by SEUS ) doesn't work either.
i just opened the phone and noticed that the sim holder tape is a bit cut, not cut at all but i think the wires has contact to each other.
can that problem be from that?
what can i do to be sure that thats the problem so to replace it.....
leonleonleon said:
i just opened the phone and noticed that the sim holder tape is a bit cut, not cut at all but i think the wires has contact to each other.
can that problem be from that?
what can i do to be sure that thats the problem so to replace it.....
Click to expand...
Click to collapse
hey bro try this note:before you proceed im not responsible if anything happen to your phone do this at your own risk and backup before you do this...
Step 1
-update your phone with seus
-if a message popup that
your phone has already the latest version
-click install or yes(if im correct)
-if the update is finish go to step 2
Step 2
-install root explorer app if you have
-Root your phone via superoneclick
-Wait until it finish
-if finish download the xRecovery from this forum
-Follow the instruction... and if finish go to step 3
Step 3
Now your phone is rooted and have a xrecovery... do this
note: No need to unlock the bootloader... If you to verify Use s1tool to verify your bootloader unlocked or not...
-redownload the minicm7-2.2.1 for x10 mini and download the nAa-14 kernel from nAa's thread
-flash the nAa-14 kernel for GB(NOT JB) via flashtool
-power on your phone wait until it boots then go to recovery mode...
note:if your phone is not booted up repeat the step1 and 2
-do this in recovert
Backup your phone(dont skip)
Format system
factory reset
wipe dalvik cache
wipe battery stats
-then flash the rom then wait until it finish
-IF finish reboot system now
Now your phone has no problem
Click to expand...
Click to collapse
i hope it works
PS: dont forget to click thanks... if it works

[Discussion Thread] CrDroid ROM

This is the ONLY thread you guys will talk about the CrDroid ROM.
DONT post questions or whatever at the other leaked AOSP ROM thread else it'll create much confusion
So far annoyances thats been reported are:
• Random reboots (at least for some people)
• Auto-brightness
• Underclocked CPU
• Not working HDR & Panaroma (solved with workaround)
DOWNLOAD LINK FOR CRDROID ROM
http://pan.baidu.com/s/1bnzqPBL
Reserved
Via the Internet
Regarding Random Reboots !
I have been using the ROM since yesterday though i have yet not observed a single reboot . I have tried following things as suggested in AOSP thread however it does not give me a reboot. Auto Brightness is the only lingering issue i faced !
Any pointers to reproduce the reboots ?
M3gAtR0N said:
I have been using the ROM since yesterday though i have yet not observed a single reboot . I have tried following things as suggested in AOSP thread however it does not give me a reboot. Auto Brightness is the only lingering issue i faced !
Any pointers to reproduce the reboots ?
Click to expand...
Click to collapse
LKspro said:
after u have the first reboot, cover the upper sensors and touch the screen while it is off. Then the screen should freeze and rebbot after a while
Click to expand...
Click to collapse
This is from @LKspro
Via the Internet
TiTAN-O-One said:
This is from @LKspro
Via the Internet
Click to expand...
Click to collapse
I have reproduced the same however it did not cause a reboot for me ! Thats why asked !! Is this the encountered random reboot occurrence ?? Or do we have something else too ?
Good rom lots of settings but useless... always reboot..
M3gAtR0N said:
I have reproduced the same however it did not cause a reboot for me ! Thats why asked !! Is this the encountered random reboot occurrence ?? Or do we have something else too ?
Click to expand...
Click to collapse
Yeah, first time it happens random, but if it once happens to you, then you will be able to reproduce it.
Anyone try to use the boot.img from leaked AOSP ROM and put I to this ROM? If yes do the random reboot still happening?
wai10691 said:
Anyone try to use the boot.img from leaked AOSP ROM and put I to this ROM? If yes do the random reboot still happening?
Click to expand...
Click to collapse
I can try this but not sure of the exact steps to follow... I like the CM rom very much.. blazing fast with ART, but random reboots quite often. I am now using wakelock to control the reboots. if you think changing the boot.img can help, i will try it out. lemme know what to do for tht
krispuniq said:
I can try this but not sure of the exact steps to follow... I like the CM rom very much.. blazing fast with ART, but random reboots quite often. I am now using wakelock to control the reboots. if you think changing the boot.img can help, i will try it out. lemme know what to do for tht
Click to expand...
Click to collapse
Before flashing the ROM zip simply replace the boot.img in the crdroid with the one from aosp.
I can try this later but I'm outside now
wai10691 said:
Before flashing the ROM zip simply replace the boot.img in the crdroid with the one from aosp.
I can try this later but I'm outside now
Click to expand...
Click to collapse
Done... Flashing went ok but after booting all my apps are gone (I didnt do a clean wipe while flashing.. only wiped dalvik)
The apps are gone anyway.. so i went back to recovery and did another clean flash.. Reboot the phone, but no mobile network. Unable to latch on to network even manually.. so may be there is something missing in the boot.img ?
Back key
Anyone can confirm back key in this rom didnt behave as it should after deleting pre-install files such as baidu services apps
edit 1 - looks like it has been warned by the dev as do not delete keyboard input method or else back button wont work..
Where is the link to the ROM. I'd update OP. Also, is there any bugs with the ROM? Or is it working like AOSP?
Via the Internet
Download link
http://pan.baidu.com/s/1bnzqPBL

New Update problems

With the latest marshmallow update, is anybody experiencing problems with the phone?. I have problems related to battery drain, Oneplus launcher stops responding etc. Any solution??
expertz said:
With the latest marshmallow update, is anybody experiencing problems with the phone?. I have problems related to battery drain, Oneplus launcher stops responding etc. Any solution??
Click to expand...
Click to collapse
Can u pls tell the way u updated? Its coz dirty flashing sometime leads to these problems
See here, most of the answer are here :
https://forums.oneplus.net/threads/...ead-on-oos-3-1-3.467594/page-26#post-15293684
Or here for the launcher :
https://forums.oneplus.net/threads/...ead-on-oos-3-1-3.467594/page-17#post-15286494
cva_kabil said:
Can u pls tell the way u updated? Its coz dirty flashing sometime leads to these problems
Click to expand...
Click to collapse
I did the normal update, OTA which oneplus provided.
expertz said:
I did the normal update, OTA which oneplus provided.
Click to expand...
Click to collapse
You do what I said with launcher.
If still problems, you should download full rom zip from support page.
Reboot to recovery.
Wipe caches
Install full rom zip
Wipe caches again
Reboot.
expertz said:
I did the normal update, OTA which oneplus provided.
Click to expand...
Click to collapse
Doing a clean flash mostly solve this problem, Download the full rom package of 3.1.3 from oneplus website, take a full back up of ur data... Put the rom package in sdcard, go to recovery wipe data and cache.. Install the downloaded zip file.. Tadaaaa everything works well

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