H8324 XZ2 Compact Boot (Launcher?) issue - Sony Xperia XZ2 Compact Questions & Answers

Hello,
My wife's Sony Xperia XZ2 Compact with model number H8324 has an issue with booting or maybe the launcher getting stuck in a loop after getting to the lock screen for a split second.
The phone seems to boot like normal and gets to the lock screen, we are even able to punch in one or two digits of the 4 digit pass code. Then it goes into a loop of the notification bar and back button flickering. From then on the phone is not responding except for the power button which brings up the normal "Turn off, Reboot, and Lockdown" menu. The issue just started out of nowhere yesterday morning and we haven't been able to fix it yet. We haven't done any rooting or custom rom flashing, it's running the official Sony software but it's out of warranty.
Here's a video showing the issue. The video shows the whole boot process but the link takes you to the last part after the logos.
We would love to get some files off it so if there is a way anyone can help us with that we'd prefer it over a hard reset.
Things we've already tried
Turning the phone off and on again
Unlocking the phone in the split second the lock screen works, this is just too short to swipe up and then put in four digits.
Rebooting the phone
Booting while charging
Booting into safe mode (this has the same issue)
Connecting the phone with USB to a pc, the phone is recognized by Windows, but it doesn't share it's filesystem with Windows.
Connecting the ADB to it, alas usb debugging is not yet enabled on the phone
Trying to get into recovery mode, we haven't been able to get into the recovery menu. Googling seems to indicate it might be holding volume up + power button when the phone is off but then it doesn't seem to do anything at all.
We're currently trying to run out the battery of the phone to see if that will resolve the issue on it's own.
If anyone has any idea, we would love to hear it.

no solution from me. But I have exact same problem and tried same things. Yesterday I did not used the phone. Day before shut down, today tunred it on and it starts with the issue. Strange it happens to both of us at the same time frame. removing sims did not help either.
By holding down "volume down+power" I was able to boot in safe mode but the same issue occur; no way to get into the phone.

Yeah that's weird. Draining the battery did nothing for us. There was not much data that we wanted to extract from the phone. Most of it was contacts and an emulated Pokémon game save file. So my wife eventually reflashed the OS with Xperia companion which did actually resolve the issue of not being able to use the phone.

I faced the same problem today ,i have xz2 , yesterday it was 24% and today i found it 0% so I put it in the charger ,but I faced this problem

Related

[Q] Desire froze, after reboot blank screen, vibrations

Hello, i bought an older desire, installed cyanogenmod 7 on it and all was running ok for ~4 days.
2 hours ago i left the phone on the table, battery was around 70%, when i came back screen was blank and i was unable to turn it on or restart it. I pulled out the battery and then inserted it back, after turning on the screen is blank and the phone permanently vibrates.
i have tried common key combinations mentioned on forums (vol - + power, back + power, vol - + power + home) with no change, the screen remains blank and the phone constantly vibrates.
i have tried to connect it to pc and to boot into recovery blindly, adb / fastboot doesnt list it after any of the key combinations, lsusb also doesnt list it, it only drains some power from usb.
I would like to know what happened, i would have understood if something like that had happened while i was flashing it / rebooting it after flashing, but it ran just fine for over 4 days. Now i have a nice usb powered vibrator :]
Would anyone care to help me with my issue? It doesnt seem to be covered anywhere on the forums. I am an android newbie but i can test probably any idea you may give me. Many thanks.
Very strange...
Try to remove the SD and the SIM to discard them as the problem.
Good luck
i have already tried that. and i have tried all combinations of sim / no sim, sd / no sd.
no effect.
i have got the same problem!!!
i've tried to root my desire following the instructions from internet, maybe i did something wrong. after i running bootloader from hdbootscreen it run in cmd window from pc the moment later it automatic shutdown the screen to black but the phone system was seem still work. ive tried to remove battery SIM SD card and reboot by combined button like instructions but nothing above screen, just stayed black screen, but my phone vibrated when i try to push power on
i hope anyone can helps us, ive just bought it 2day ago.
thank in advancej
Hey mate
I gave my old desire phone to my dad to use and I got that problem. According to him, he turned the phone off to charge and when he turned it on it just constantly vibrated.
Kinda puzzled me at first, I pulled the battery, sim and SD out but didn't fix it. Found my other genuine spare battery for it and put it in, I let it charged for a bit and turned it on.
Phone's now working with the other battery, I think I eliminated the problem but I'll have to hear back from my dad to see if he encounters the problem again.
Hope that helps you mate

[Q] Help? Neither of these work?

I'm sure some of you know of me and my recent phone problems of it having a random bootloop every few times I press the Bad Power Button I've had. I found a solution for a while which consisted of 2 apps, One that's a widget that allows me to lock my phone and another which is an app that allows the sensors on my phone to work continuously so that If something moves in front of it it will turn on. Now One day as I sat down i heard a faint vibration and finally noticed my phone fell into a bootloop once again.. I did the normal and tried to make it to Recovery Mode and then Wipe the Cache..After many many tries... More than Normal.. I finally got into Recovery Mode and wiped my Cache..But even after doing so it fell into the bootloop once again shortly after I finished wiping cache..Didn't even get a chance to hit "Reboot Phone". Did the same thing a few more times before giving up and resorting on trying to go into Download mode.. I can't even get into Download mode since When I hold down the VOL + VOL - Buttons and plug in the USB it continues to vibrate.. I have No clue what To do Next. I WOULD love to just return to T-Mobile and receive a replacement But I fear that they might find it is rooted and charge me for the full price of the phone.. Also I'd love to have transfer all of my messages and Other Personal Data off my SD card to my laptop.. Help Please? If there is a way Can i take everything off my SD without having to completely get it out of this bootloop ?

[Q] Has my Samsung GS2X become bricked?

Started acting up last week when I noticed it restarted on it's own, but didn't fire back up right away. Instead it went into a reboot cycle for almost an hour (doesn't make it passed the Samsung splash screen). Then it just fixed itself and I was able to access everything as normal.
Once it was going again, I backed up all my info and did a factory reset and proceeded to re-load Jellybean (4.0.2?). Although Kies said I was already up-to-date and didn't do anything.
Anyway, worked fine for a week until yesterday when it went into the continuous reboot cycle, and never fully turned on again.
I have pictures and vids I would like to somehow recover (on phone and not on SD card), but I have no idea how to get the phone to start up. I have removed my SIM and memory card to see if that did anything. Also have done numerous hard resets (pull the battery and lock + vol down combo). It basically just kills the battery as it cycle reboots. Every few minutes, it will fire up again but still doesn't make it past the Samsung splash page. And when the phone is charging, it just doesn't turn on in general and just intermittently vibrates to try to start-up.
Dunno how I would even be able to flash the ROM (newb at this) since the phone doesn't stay on long enough to access the BIOS of the phone. Does this seem like a software or hardware issue? I bought this phone 2nd hand off Craigs about 2 years ago, so no idea if it was a refurb.
Has anyone experienced this and can direct me to somewhere so I can fix it? Or is it a goner and I should just move on to another phone? Any help would be greatly appreciated.
Its likely a stuck power button. Search here or Google for treatments.
Sent from my Moto X cellular telephone...
it sounds like a problem I had once
Galaxy S2 Wont boot anymore
one option was to disassemble teh phone and check the power button , someone recommended I use an eraser to tap the power button and see if that would unlodge it and to my relief that worked. You might want to try that first

[Q] Phone suddenly started freezing and rebooting, now stuck at LG logo.

Months ago I rooted and flashed a lollipop stock ROM. It's worked flawlessly ever since, so I doubt it's the cause of this problem.
Suddenly my (international) G3 has started doing a cycle of freezing, rebooting, staying awake for a few seconds and then freezing and rebooting again. This started happening this morning, while using the "reddit news" app. I don't think it's related to the issue. Now, after a few hours, it's stopping the boot cycle at the LG logo, and it doesn't seem to go anywhere from there.
Previously, when it did boot and stayed awake for like 10 seconds, it showed some strange behaviour. Wifi didn't turn on, the phone got pretty warm, and whatever mode of USB connection I chose, USB debugging never turned on despite being enabled in the developer options.
"adb devices" in windows cmd doesn't show anything in any part of the cycle, so I can't take a logcat. The phone isn't awake for long enough to do it on the phone either. How can I find out what's suddenly causing this? Has anyone else experienced it? Trying a hard reset via pwr + vol down just shows me the LG logo again.
Does it still go into download mode when you press volume up and plug in usb cable?
itsbighead said:
Does it still go into download mode when you press volume up and plug in usb cable?
Click to expand...
Click to collapse
I assume so. I've never used it before so I'm not sure what it looks like - but I do see a little box in the middle of the screen saying "Download Mode", with a little graphic underneath.

Weird bricked GT-I9195 stuck on black screen after Samsung logo

So, unluckily today i find myself here lookin' for help with my phone. I had already took a look on other brick threads, but i can't find an appropriate answer to my problem.
I'm (i was) running lineage-14.1-20170602-nightly, i had ne0zone75's TWRP 3.1.0.0-0, and that's how the brick came in a strange way; i was simply on XDA Labs app browsing the forum, when i received a call. I've answered, and when i shut off the call the phone shut off immediately after. I thought it was a reboot, but keeping pressed the power button didn't switched on the phone anymore. So i've tried to remove the battery and re insert it after some minutes, but the only thing i can get is the screen with the samsung logo that goes all black after 5 seconds. I already had other bricks due some errors of mine in the past, but this time it's really difficult.
1: I can't access recovery mode. Ow, how i wish i could.
2: I can access download mode, but after that i reach the ODIN MODE screen with the details of product binary, KNOX, ecc. the phone shuts off again.
3: If i keep the power button pressed, the phone doesn't starts. It only starts if i replug the battery in, but after some seconds it shuts off again.
4: How could a call as another mess up the whole phone?
5: I didn't installed nothing new from at least a week... yesterday an automatic update of the Play Store took place, but except that nothing has been changed. Nothing of nothing! No settings, no apps...
What could i do? Installing Kies with Samsung drivers could help me flashing a stock rom for example? Because at the moment, there isn't too much that i can do with the phone in this state... I hope this little jewel won't have to become a stone to be thrown away. Any help would be great, and really appreciated. Thanks in advance...
Things has got worse. Now my device doesn't starts at all; no vibrations, no signs of life, nothing. I've tried even to put it for 6 hours in my refrigerator, because i've read that the cold temperature could be helpful to fix some broken contacts on some component, but i'm losing hope 'bout it. I supposed that at this point is something hardware-based and not software, because it's just impossible that a call like an other one could be the cause of this hard brick... The only thing is that if connected to my PC, it is being showed as QHSUSB_LOAD. I'll try some methods that i've seen in other forums, like softwares that tries to fix this, but i think that i'll be forced to buy a new device. Neither an usb-jig could help me to force the download mode if the phone is dead in every aspect... the only thing that i still didn't understood, is if a debrick.img on my SD card (sadly i've read that a microSD class 10 with at least 16 GB is required, and i don't have one) could help somehow on a situation like this one of not. Still no one could advice me with some tip, guys
Edit - feel free to close this thread, I have another phone now

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