Sony Xperia XZ2 Restart Loop - Sony Xperia XZ2 Questions & Answers

Hi there.
So, a couple of days ago my XZ2 got stuck in a restart loop. To try to fix it, I tried holding the Power + Volume Up buttons, but doing so shut down the phone only, and when I pressed the Power button, the loop happened again.
Finally, I extracted the SIM tray and the phone restarted again, then became normal. I could see my main screen. And reinserting the tray again restarted the phone and it became normal again.
Has anyone experienced the same thing as me?

Jaceau592552 said:
Hi there.
So, a couple of days ago my XZ2 got stuck in a restart loop. To try to fix it, I tried holding the Power + Volume Up buttons, but doing so shut down the phone only, and when I pressed the Power button, the loop happened again.
Finally, I extracted the SIM tray and the phone restarted again, then became normal. I could see my main screen. And reinserting the tray again restarted the phone and it became normal again.
Has anyone experienced the same thing as me?
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Google Play System trying to update in Security settings.
Try to disable automatic updates in developer options and do not install latest Security Patch.
I am also trying to find a solution to this problem.

Related

[Q] Black screen after reboot

I have tried to boot into bootloader couple times before on stock settings, with nothing flash or modified.
Whenever I tried to restart, it stuck on the black screen with no LED when plugged in, and it won't turn on or boot for about 10-15 min.
I was trying to solve this issue by wiping the entire phone but still happening. Now that I have tried TWRP with ARHD 12.1, the problem still there.
I have also tried fastboot erase cache, doesn't fix this issue either.
Tried to hold Volumn down / Power button for a long time, it still doesn't do anything until 10-15 mins after.
I assume that the device is still in process and somehow is getting stuck somewhere that it doesn't listen to the input anymore until there is signal shutting the whole thing down.
Since I couldn't pull out battery on HTC One, there is no way I can verified if that is the case.
Anyone else facing the same issue?
I am kind of sick and tired of sending back and forth for RMA, which I already did for dead pixels before.
shansoft said:
I have tried to boot into bootloader couple times before on stock settings, with nothing flash or modified.
Whenever I tried to restart, it stuck on the black screen with no LED when plugged in, and it won't turn on or boot for about 10-15 min.
I was trying to solve this issue by wiping the entire phone but still happening. Now that I have tried TWRP with ARHD 12.1, the problem still there.
I have also tried fastboot erase cache, doesn't fix this issue either.
Tried to hold Volumn down / Power button for a long time, it still doesn't do anything until 10-15 mins after.
I assume that the device is still in process and somehow is getting stuck somewhere that it doesn't listen to the input anymore until there is signal shutting the whole thing down.
Since I couldn't pull out battery on HTC One, there is no way I can verified if that is the case.
Anyone else facing the same issue?
I am kind of sick and tired of sending back and forth for RMA, which I already did for dead pixels before.
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Click to collapse
try to hols power button and vol down under bright light....should help:good:
99piotrek said:
try to hols power button and vol down under bright light....should help:good:
Click to expand...
Click to collapse
Thanks for the help
I am under sunlight, thought that could have help, but it didn't....
I guess I will try flashlight next time..
but the problem still not solved, I do not want to get under the light every time when I am trying to make a restart on HTC One..
I found a pattern of this issue, it's seems to related to the USB connecting to a computer.
Somehow it won't let my phone shutdown properly and stuck with no screen showing.
Power button + volume won't work for about 10-15 min.
But it can boot back up after that 10-15 min normally. This is a strange issue.
It happened ever since I tried to access bootloader, but I have not change anything.

Power button issue

I just discovered yesterday that my power button seem to be not working. Pressing it doesnt lock the screen and long pressing it doesnt bring up the power options. Tried wiping everything and still the issue remains. When I pull my battery and then insert it back the phone boots itself, as if the power button is pressed all the time (even though i can still click it and its not stuck). Ive been using rom toolbox for the power menu but choosing to turn off the phone makes my phone have a screen freeze, all other options work like reboot, fast reboot, reboot recovery etc. Anyone know how to fix this?
Edit: After a couple of days my power button is working again
Kcube989 said:
I just discovered yesterday that my power button seem to be not working. Pressing it doesnt lock the screen and long pressing it doesnt bring up the power options. Tried wiping everything and still the issue remains. When I pull my battery and then insert it back the phone boots itself, as if the power button is pressed all the time (even though i can still click it and its not stuck). Ive been using rom toolbox for the power menu but choosing to turn off the phone makes my phone have a screen freeze, all other options work like reboot, fast reboot, reboot recovery etc. Anyone know how to fix this?
Edit: After a couple of days my power button is working again
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Click to collapse
How did you get it to work? Or did it started working on it's on? Thanks
I've seen that happen on mine, due to a bad USB charge port. Replaced it, problem disappeared.
Any chance your device sometimes thinks it is docked to a docking station?
Inexpensive part to obtain, less than 10 dollars (usd), takes about 15 minutes or less to replace.
In the 2+ years I've had mine, I've gone through 4 of them LOL...I'm hard on charge ports I guess.
Kcube989 said:
I just discovered yesterday that my power button seem to be not working. Pressing it doesnt lock the screen and long pressing it doesnt bring up the power options. Tried wiping everything and still the issue remains. When I pull my battery and then insert it back the phone boots itself, as if the power button is pressed all the time (even though i can still click it and its not stuck). Ive been using rom toolbox for the power menu but choosing to turn off the phone makes my phone have a screen freeze, all other options work like reboot, fast reboot, reboot recovery etc. Anyone know how to fix this?
Edit: After a couple of days my power button is working again
Click to expand...
Click to collapse
It just started working again. When I turned off my phone to place my sim back and it didnt boot up automatically, I knew the power button is working again. Pressed the power button, device booted up and the issue is gone. I dont know if mh device thinks its docked, i dont have a docking station and ive never had problems with my charging port yet.
I've been using my N7000 for 2 years and this thing happened for 3-4 times. The lock button will be like stop working, sometimes it is like being press all the time and the problem will be sorted out by itself. Normally when this happens, the phone will be laggy and will reboot by itself. Is it a common thing for this phone?how do you get your phone fixed Kcube989?

[Q] Samsung Galaxy Exhibit II 4G (SGH-T679) Can't Boot

My Galaxy Exhibit II 4G is about a year old, rooted and i have CM11 installed. Everything was fine, I had it plugged in (charging) and i was downloading an app (Camscanner) from the Mobogenie store when suddenly the phone shut off and the battery icon appeared with the loading circle in the middle.
This did not stay on for long as the screen would go off and this would again appear. After pulling the battery and removing the charger, then reinserting the battery, the phone would just flash the SAMSUNG logo in this very same manner.
I am unable to get into either recovery or download modes and when i try this combination (VOL UP + VOL DWN) i get:
RAMDUMP MODE
Cause: Force Upload
I have been reading forums for hours and i have found nothing. Is my device bricked? What can I do to recover it? Please, any help would be greatly appreciated :crying:
What happens if you try vol. up + power, or vol. down + power?
jfbs said:
What happens if you try vol. up + power, or vol. down + power?
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Click to collapse
Thanks for replying. Nothing happens. It just continues to reboot like I'm not doing anything. The only way I'll get a reaction out of it is with vol up + vol down
It can be tricky. This post may be clear http://forum.xda-developers.com/showpost.php?p=32437850&postcount=6
The link you sent me to sounds similar to my problem, except I wasn't trying to update the firmware. The crash was spontaneous.
However, neither of those methods work. As soon as I put in the battery the SAMSUNG logo appears, then disappears and reappears and it continues like that... Pressing the power button does nothing, whether by itself or with the volume up/down button
I am beginning to panic
What happens when it's connected to power?
Adrian Gobourne said:
...battery icon appeared with the loading circle in the middle.
Click to expand...
Click to collapse
Anyway, after many hours of investigation I discovered it was a hardware problem. The power button was stuck and so it forced it to reboot repeatedly. It also explains why it (the power button) was unresponsive. Disassembling the phone and freeing up the power button solved the problem.
P.s. Your build of CM11 is boss
I have same problem with power button. Had to tweak it hard cause it was so sensitive.
It's the first time it's happened to me. Probably because I dropped it so many times
Strange, ...
Adrian Gobourne said:
My Galaxy Exhibit II 4G is about a year old, rooted and i have CM11 installed. Everything was fine, I had it plugged in (charging) and i was downloading an app (Camscanner) from the Mobogenie store when suddenly the phone shut off and the battery icon appeared with the loading circle in the middle.
This did not stay on for long as the screen would go off and this would again appear. After pulling the battery and removing the charger, then reinserting the battery, the phone would just flash the SAMSUNG logo in this very same manner.
I am unable to get into either recovery or download modes and when i try this combination (VOL UP + VOL DWN) i get:
RAMDUMP MODE
Cause: Force Upload
I also get ram dump mode error when trying to manually boot recovery.
I have been reading forums for hours and i have found nothing. Is my device bricked? What can I do to recover it? Please, any help would be greatly appreciated :crying:
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Click to collapse
OK so I'm no expert or anything but maybe my experience with this Model might be able to help you a little bit. I have the same model and it was doing the exact same thing however I haven't rooted it. And I've since corrected the issue on mind particularly it appeared that it was the charge port and/or USB that either had a bad connection or possibly it was boot looped. However with me not rooting the I didn't understand how it could be booted Looped so I started playing around with holding the power button playin with USB things of this nature and what I found was that if I hold the USB to one side either left or right, this allowed me to help a boot farther into it sequence at first to just show the Samsung logo over and over then I could get it to get to the boot sequence about halfway through the boot animation until I finally got to the exhibit screen where displays its model and 4G status. I accomplish this by holding the USB to one side and pushing and holding the power button intermittently throughout the boot. Once I hit the unlock screen unlock the device and I immediately factory data reset it. I'm under the impression that mine was possibly I think that mine was somehow a corrupted bootloader or software still I don't know what caused it to backed up to this day occasionally it'll shut itself down and reboot on me that's why I'm here today I've got all the parts and pieces I need to flash a new rom and hopefully new software the new work over I'll be good to go I also cleaned the USB port made sure that it was still snug to the board all of the good stuff. I don't know if it'll help you but I had the same situation I thought you'd like to know that it was probably not what you were doing with the phone it may just be the software itself with this particular phone see I done nothing that you didn't had the exact same problems. I hope it was somewhat helpful if you haven't gotten it unlocked or re-booted yet. Then maybe just play around with the power sources and power buttons. And see if you can get the same results I did

[Q] Galaxy S3 GT-I9305 Boot loop problem.

Hi all.
So my girlfriends S3 started something weird this morning.
Last night the battery ran flat, so obviously it was put on to charge. The phone was off while charging, but, instead of the constant icon of a battery charging, the icon would come up and disappear, and reappear, and never become fuller.
When we tried to start it up this morning, the Samsung GT-I9305 screen would come on, and then just disappear and reappear, same as the battery icon.
The phone has not been rooted, no custom roms have ever been attempted, it is as stock as the day we opened the box.
First we tried leaving the battery out for about 30 mins, same would still happen.
Then I removed toe sd and sim card, removed the battery, and tried starting with and without the sim card. The sd card has not been put back. Same thing would still happen.
After some searching, I tried getting into recovery mode by pressing and holding power, volume up and the home key. This worked once, where I chose the restart device option first, but since then I cannot get the recovery mode back again.
I read something about a 'safe mode' by pressing power, home and volume down. This gets me to a screen where I am asked if I want to continue, by pressing the volume up key, but no matter what I press, the device just goes back to the GT-I9305 screen looping.
I wonder if maybe trying a different battery would help?
Any other suggestions on how I could factory reset the device?

Volume down button and power button don't work

Hi All,
I'm having some issues with my OnePlus 3T. Earlier this week ago I noticed that my volume was randomly reducing {it always would reduce to a low setting but not mute} and at the same time I could not use the power button to turn the phone off or to put the phone to sleep. But if I double clicked the power button the camera app would load up like normal and nothing I did seem to effect the volume. Every time I increased it again a few seconds later it reduced.
So today I had gotten tired of the buttons not working and kept trying to restart the phone... after multiple tries I somehow managed to power off the phone. However instead of fixing the problem once it powered up it went straight into the boot menu and does not load up the OS at all. It keeps going into a bootloop.
I tried clearing the cash and booting in recovery mode... both did nothing and just continued the loop.
I'm not sure if I've damaged the volume down button only somehow {in the boot menu, the volume up button works fine and so does the power button but nothing happens when I click the volume down} or if it an issue with the most recent update.
Any assistance in this would be greatly appreciated.
I am facing the exact same issue.help me how to resolve it.
lkoneplus3t said:
Hi All,
I'm having some issues with my OnePlus 3T. Earlier this week ago I noticed that my volume was randomly reducing {it always would reduce to a low setting but not mute} and at the same time I could not use the power button to turn the phone off or to put the phone to sleep. But if I double clicked the power button the camera app would load up like normal and nothing I did seem to effect the volume. Every time I increased it again a few seconds later it reduced.
So today I had gotten tired of the buttons not working and kept trying to restart the phone... after multiple tries I somehow managed to power off the phone. However instead of fixing the problem once it powered up it went straight into the boot menu and does not load up the OS at all. It keeps going into a bootloop.
I tried clearing the cash and booting in recovery mode... both did nothing and just continued the loop.
I'm not sure if I've damaged the volume down button only somehow {in the boot menu, the volume up button works fine and so does the power button but nothing happens when I click the volume down} or if it an issue with the most recent update.
Any assistance in this would be greatly appreciated.
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Click to collapse
i m facing the exact same issue so i request u to help me.
your help will be really beneficial to me as i m without a phone and missing lots of important calls and messages.
I have the same issue
Any help,
I have the same issue and it's insane

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