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Xperia V random rebooting

Hey
I xperia v is running stock.... It's lately rebooting very randomly... Please any idea or suggestions as to what the problem could be.... I'm in India and the phone is from Singapore... So service center is out if question... It try re flashing the software today after work.... Also read online that a faulty sd card could be the problem.... Please reply ASAP...
Thanks
Sent from my LT25i using xda app-developers app

You should follow this thread also Xperia V random freeze in standby

i also experience this..when im surfing internet..its became hot, n freeze,,after a while, its reboot by itself....already hve latest fw..hopw sony release fix for this

Same here! Once I got my xperia V, I unlock it and flashed with stock JB, since then it always reboot during standby, sometimes occurred while dialing phone, really annoying:crying:

pakroid said:
Same here! Once I got my xperia V, I unlock it and flashed with stock JB, since then it always reboot during standby, sometimes occurred while dialing phone, really annoying:crying:
Click to expand...
Click to collapse
Still no luck after restored to ICS stock ROM I realized that it is the hardware problem :crying:

smart connect
Hi guys,
have you tried to turn off anything in Smart connect application. I stopped him this morning and since then my phone works without reboot. Before that I had had 3 reboots for 20 minutes.

Does anybody know if this problem will persist after rooting and flashing a custom rom/kernel?
I'm at the point where I want to try that, but I'm worried about voiding my warranty.

Bvaishakachar1991 said:
Hey
I xperia v is running stock.... It's lately rebooting very randomly... Please any idea or suggestions as to what the problem could be.... I'm in India and the phone is from Singapore... So service center is out if question... It try re flashing the software today after work.... Also read online that a faulty sd card could be the problem.... Please reply ASAP...
Thanks
Sent from my LT25i using xda app-developers app
Click to expand...
Click to collapse
Re-flashing the stock rom will not fix this problem. Also, service center repairing will only fix it for a week or two and the problem will occur again. Replacing the battery is the only permanent solution. Faulty battery protection circuit is the cause of this random reboot/shut off problem.

[Q] Please Help Troubleshoot - Unresponsive Touchscreen

I have a Galaxy S Advance that I purchased in Hong Kong, although I live in the United States. The phone has been working very well on T-Mobile's network for over one year. The phone is running stock gingerbread. I have never flashed any roms.
Yesterday, the phone's touchscreen stopped working. I didn't drop it, and it didn't get wet. It just suddenly stopped allowing touch input. I thought that it might be a software issue, so I booted into recovery and did a factory reset. After re-booting, the phone still isn't responding to touch.
What else can I do to check whether this is a software problem?
Should I try flashing the stock firmware? If so, how do I know which PDA number to use?
Thank you!

Or you could go to the local store with your phone cuz I think this has nothing to do with the firmware...
Sent from my GT-I9070 using xda premium

Jeroenvk94 said:
Or you could go to the local store with your phone cuz I think this has nothing to do with the firmware...
Sent from my GT-I9070 using xda premium
Click to expand...
Click to collapse
Can a firmware error cause this problem? I'd love to take it into the shop, but as I said I purchased it in Hong Kong. I live in the US. I suppose I may have to mail it back, but was hoping someone may have some advice.
All of the buttons at the bottom are responsive to touch, but the screen is not.

Sad Sensation said:
Can a firmware error cause this problem? I'd love to take it into the shop, but as I said I purchased it in Hong Kong. I live in the US. I suppose I may have to mail it back, but was hoping someone may have some advice.
All of the buttons at the bottom are responsive to touch, but the screen is not.
Click to expand...
Click to collapse
I guess it's an error in the screen. Or else, try flashing JellyBean XXLQ4 on your device using Odin and the USB Cable. And if THAT doesn't do it. Use CoCore Kernel ( root required ), I read it improves the sensitivity of the touchscreen so you may try that. If that doesn't work, boot into recovery ( volume up + home + power ) and make the reset and cache wipe and flash JB XXLQ4 again. Then go to the nearest phone store, act as if you never tried to install a kernel or rooted ur phone and look if they can find the problem. If found, send to hongkong.
*Edit: added link to JB firmwares. You need the Ser LQ4. http://forum.xda-developers.com/showthread.php?t=2110245
Sent from my GT-I9070 using xda premium

Jeroenvk94 said:
I guess it's an error in the screen. Or else, try flashing JellyBean XXLQ4 on your device using Odin and the USB Cable. And if THAT doesn't do it. Use CoCore Kernel ( root required ), I read it improves the sensitivity of the touchscreen so you may try that. If that doesn't work, boot into recovery ( volume up + home + power ) and make the reset and cache wipe and flash JB XXLQ4 again. Then go to the nearest phone store, act as if you never tried to install a kernel or rooted ur phone and look if they can find the problem. If found, send to hongkong.
Sent from my GT-I9070 using xda premium
Click to expand...
Click to collapse
Thank you for the advice. Will upgrading to JB via Odin void the warranty? I know that JB hasn't been officially released in Hong Kong yet. Does Samsung care?

Nope. This JB is stock firmware so it can not void your warranty here in Holland I also had some problems, went to samsung with the JB ( which is not yet released ) and it wasn't a problem.
Sent from my GT-I9070 using xda premium
---------- Post added at 12:19 AM ---------- Previous post was at 12:14 AM ----------
Do not, and I repeat, do not forget to root your phone before you flash the CoCore Kernel. You can root using Shaaans method. It's found in the Dev section and it's quite simple.
Let me know if it worked out
Sent from my GT-I9070 using xda premium

This is a noob question, but if I use the wrong PDA version will it brick the phone? From what I've read it seems that moving to JB is fine even if it's software from a different country (Serbia/Russia). What if I flash the "wrong" country's gingerbread version?
Again, thank you all for the answers. This is very helpful.

Sad Sensation said:
This is a noob question, but if I use the wrong PDA version will it brick the phone? From what I've read it seems that moving to JB is fine even if it's software from a different country (Serbia/Russia). What if I flash the "wrong" country's gingerbread version?
Again, thank you all for the answers. This is very helpful.
Click to expand...
Click to collapse
Once you've been on JB you wouldn't want sh*tty old GB back haha. Uhmm there is a tutorial about reflashing GB 2.3.6 on the Q&A section, I will search the link and edit this post when I find it
*Edit: Link to downgrade tut is here. It works for all languages / regions, as long as your phone is an 8GB device and not 16GB ( thats for this method ). http://forum.xda-developers.com/showthread.php?t=2100642
*Edit2: just follow the steps described in the topics about the 4.1.2 or do some googling, most of the time there is a specific description with the files.
Sent from my GT-I9070 using xda premium

Sad Sensation said:
This is a noob question, but if I use the wrong PDA version will it brick the phone? From what I've read it seems that moving to JB is fine even if it's software from a different country (Serbia/Russia). What if I flash the "wrong" country's gingerbread version?
Again, thank you all for the answers. This is very helpful.
Click to expand...
Click to collapse
claim your warranty first, if you have international warranty.. this might be a hardware problem..
for all you said, it suddenly lost touch function..
point is.. let the service center figure out first the cause of the problem before trying to solve it on your own..
after that, you can try JB firmware and modifying it to alot of stuff..

Sad Sensation said:
I have a Galaxy S Advance that I purchased in Hong Kong, although I live in the United States. The phone has been working very well on T-Mobile's network for over one year. The phone is running stock gingerbread. I have never flashed any roms.
Yesterday, the phone's touchscreen stopped working. I didn't drop it, and it didn't get wet. It just suddenly stopped allowing touch input. I thought that it might be a software issue, so I booted into recovery and did a factory reset. After re-booting, the phone still isn't responding to touch.
What else can I do to check whether this is a software problem?
Should I try flashing the stock firmware? If so, how do I know which PDA number to use?
Thank you!
Click to expand...
Click to collapse
just a question...
did you touched your accesebility service in ur phone..???
or changed any settings...???
if yes then thats the culprit..
if no then ignore this post..
because i had this problem when touch wasnt working...

Galaxy note3 menu & back key problem

Hi guys
I have a problem with my galaxy note3 n900t. My menu and back key is not working when i touch them with my fingers but they work whit the s pen! Anyone with the same problem or a solution?
Thx

Someone else mentioned something similar, however insufficient information makes it hard to help much. I had an issue with original note and it was the rom. Tried other roms? Are you rooted? Stock? Custom rom?
Sent from my SM-N9005 using xda premium

nimixes said:
Someone else mentioned something similar, however insufficient information makes it hard to help much. I had an issue with original note and it was the rom. Tried other roms? Are you rooted? Stock? Custom rom?
Sent from my SM-N9005 using xda premium
Click to expand...
Click to collapse
The problem started on the stock rom. The key would not light up and they would not respond on my fingers just my s pen... this was the first phone that i liked on a stock rom haha... but i rooted it in hoppe that it would solve the problem.... i installed the wicked v5 rom... but still nothing... i called the service and they never heared about a problem like that... haha... but they sad that i had to repair the hole thing (digitizer,display...) not just the buttons... so not a cheap thing to do... so thats about everything....

mlikotaxda1989 said:
The problem started on the stock rom. The key would not light up and they would not respond on my fingers just my s pen... this was the first phone that i liked on a stock rom haha... but i rooted it in hoppe that it would solve the problem.... i installed the wicked v5 rom... but still nothing... i called the service and they never heared about a problem like that... haha... but they sad that i had to repair the hole thing (digitizer,display...) not just the buttons... so not a cheap thing to do... so thats about everything....
Click to expand...
Click to collapse
This just happened with my note 3. Not sure if it was after I rooted or it just happened randomly.

mlikotaxda1989 said:
The problem started on the stock rom. The key would not light up and they would not respond on my fingers just my s pen... this was the first phone that i liked on a stock rom haha... but i rooted it in hoppe that it would solve the problem.... i installed the wicked v5 rom... but still nothing... i called the service and they never heared about a problem like that... haha... but they sad that i had to repair the hole thing (digitizer,display...) not just the buttons... so not a cheap thing to do... so thats about everything....
Click to expand...
Click to collapse
Try another clean install of stock. I would suggest putting it to stock and if the issue persists going through samsunh warranty. If the issue was ocurring on stock it is most likely defective. Goodluck
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app

nimixes said:
Try another clean install of stock. I would suggest putting it to stock and if the issue persists going through samsunh warranty. If the issue was ocurring on stock it is most likely defective. Goodluck
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Mine is a t-mobile..I think it was fine until I rooted it..but I am not sure as I only just got the phone, so maybe it stopped working before I rooted. I have tried reflashing the stock firmware...no improvement. The only thing I havne't tired is updating it to 4.4.2

Does anyone has an idea about this problem? This just started today and it's bugging me to no end!
Cheers!

menu key & back key not working when i flesh stock lollipop 5.0
at&t galaxy note 3 sm-n900a back key and menu key are not working after update lollipop 5 0 same problem here but when i install other custom rom then both key are work but when i install lollipop 5.0 then its not work if any one this problem try to flesh other rom hop its work :good:

Hi same here the buttons only works with the spen, help please stock firmware 5.0

Did anybody find a solution to this? I just tried rooting my note 3 and it all went fine but now my menu and back button do not work at all with my fingers but works fine with spen. Really hope somebody knows what to do!

Would you press *#2663# and tell me what you show under TSP FW? see if the phones touch key FW version is same as Parts touch key FW, try to update all of them if its work great if not let me know so we can upgrade your keys.

So my problem is that only my menu key doesn't work. Just changed the screen/frame. Works with always with the pen and some time when I tap it. Back key works fine. On rooted 5.0. Touch key fw does match at fx10

Gionee M2- strange issue - help

Hi Guys,
I have Gionee M2 8gb version.
[*]All apps crashed saying" acore.process not working" and subsequently phone is dead.
[*]The phone is rooted and I reflashed the stock ROM again.
[*]The phone turns ON once and then in 10 minutes all apps crash and phone is dead.
[*]Recovery does not work even after i flash it via SP tools.
Have done this multiple times.- No result.
can somebody suggest their thoughts as to what the issue could be?

same issue
by any chance did you resolve this issue?

Don't try to flash rom in recovery. Download stock rom from official gionee website and flash it using sp tools. This may help you.
Sent from my GIONEE M2 using XDA Premium 4 mobile app

i checked gionee website and couldnt find the link to download stock ROM. can you please help in finding the actual link.
---------- Post added at 01:49 AM ---------- Previous post was at 01:43 AM ----------
Since I am not even able to switch on my mobile now, I am not sure if my mobile is 4GB or 8GB version. Can you please help me how to find this?
Note:Its my friend's phone. Hence I'm not aware.

Which stok rom you installed in your gionee m2 8gb
Can you pls send me that rom file link
reply as soon as possible

Flash the phone and you are safe
It happened to me some time ago. Only had to flash the phone and it was back to normal.

Downgrade from EMUI5 and Android 7

I updated my P9 EVA-L09 to the beta of Android 7.0 and it seems to have fouled up my phone,, the torch now doesnt work among other things, but I can't seem to downgrade back to previous setup, i have tried many things i have read online, and i don't know what to do, it keeps telling me "Software install failed".
Could anyone help me please ?

+1 same here.
This phone is dumb imo, back to my old m8 and stick xda for a solution

It looks like I had to join to this club too. For me camera does not work, torch and there is no normal keyboard.
OK. Problem solved I am back with MM.

Help
How did you manage to do it ?
PanNet said:
It looks like I had to join to this club too. For me camera does not work, torch and there is no normal keyboard.
OK. Problem solved I am back with MM.
Click to expand...
Click to collapse

https://forum.xda-developers.com/p9/help/twrp-oem-unlocked-previously-rooted-t3562578