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Pretty Sure I bricked my Sony Xperia Z3V PLEASE HELP!!!!

Help!
So literally three days ago my dad gave me his old phone. It was a rooted Sony Xperia Z3V. I realized that I could not play Pokemon Go and so I installed the files a YouTube video told me to install to get Magisk, a program like root cloaker that should have let me turn on root toggle so that I could play Pokemon Go. I soon realized that this was not the case or I seriously messed up. Now my phone will not turn on. When I hold the power button it just vibrates and does nothing. When I hold the Power button and both volume buttons it shows a Sony logo after a while and then turns to a screen that says System Recovery at the top and has four options: Continue Power up, Safe mode, Factory Reset, and Power down. Absolutely all of them just turn off the phone. The Factory Reset has four options when you select it. At the top it says "Continue with Factory Reset?" and it has the following options: No, No, No, and Yes. All of those do nothing as well other that turn the phone off. My dad said he might have a backup on his SD card that he might be able to restore it to. However, I'm not sure he has this so if you can help please include a way without that. Also, my Dad told me that Sony Companion does not work with this phone. Please help. I know it was stupid but I'm still pretty new to rooting and I'm still in 8th grade. Now I'm back to my Droid Ultra. I know it's kinda a third world problem to have a slightly worse phone but I still broke the phone that my Dad gave me. It would mean so much to me if someone could help me I'm desperate.
Thanks,
jacobpn5042

jacobpn5042 said:
Help!
So literally three days ago my dad gave me his old phone. It was a rooted Sony Xperia Z3V. I realized that I could not play Pokemon Go and so I installed the files a YouTube video told me to install to get Magisk, a program like root cloaker that should have let me turn on root toggle so that I could play Pokemon Go. I soon realized that this was not the case or I seriously messed up. Now my phone will not turn on. When I hold the power button it just vibrates and does nothing. When I hold the Power button and both volume buttons it shows a Sony logo after a while and then turns to a screen that says System Recovery at the top and has four options: Continue Power up, Safe mode, Factory Reset, and Power down. Absolutely all of them just turn off the phone. The Factory Reset has four options when you select it. At the top it says "Continue with Factory Reset?" and it has the following options: No, No, No, and Yes. All of those do nothing as well other that turn the phone off. My dad said he might have a backup on his SD card that he might be able to restore it to. However, I'm not sure he has this so if you can help please include a way without that. Also, my Dad told me that Sony Companion does not work with this phone. Please help. I know it was stupid but I'm still pretty new to rooting and I'm still in 8th grade. Now I'm back to my Droid Ultra. I know it's kinda a third world problem to have a slightly worse phone but I still broke the phone that my Dad gave me. It would mean so much to me if someone could help me I'm desperate.
Thanks,
jacobpn5042
Click to expand...
Click to collapse
Greetings and welcome to xda. First off don't worry your phone can be fixed easily, there are plenty of threads and tutorials on xda on how to hide root for certain apps. If root isn't important to you then just reinstall a stock rom.
If you ask your question here
http://forum.xda-developers.com/z3/help
the experts there will be able to help you
Good Luck
Sawdoctor

xperia xz display(black screen) not working (randomly) help me.. please..

1.
First, the current situation is that the screen does not come on while the power is turned on.
If you look closely, the light of the screen comes out, but it is a black screen.
So when I press the power button several times, I sometimes see the screen once, and when it is bad, the screen keeps blinking only on the black desktop.
No matter what I did, it was not restored, I disassembled it, pushed the battery part for a while, then contacted me again, and the screen started to come out again! However, after about three hours, the symptoms began to appear again. Now I keep repeating this phenomenon and just use my cell phone.
2. ((First things I did.))
I used the flashtool to update my stock firmware. Soon after I knew the wrong thing, I put the firmware over again. I tried to get the firmware for my country. Then I was disappointed to see that the TTA-VOLTE I wanted was still not working. So I decided to install Android 9.0 (Pie) and install TWRP and install it as WIPE. It was the beginning of all these.
Since then the above symptoms have been manifested and the stock firmware does not work even if you do anything
please... save me... :crying::crying:

Question Z flip 3 bootloop

The problem I have is with the galaxy z flip 3, it worked just fine inthe morning but after it ran outta juice and I charged it to a certain percentage, it stopped working properly, and got into an infinite boot loop, I tried forcing it to restart by long pressing volume down+power , but it didn't work, then I tried opening the recovery by long pressing on volume up+power and yet it also didn't work (I think that maybe it's because it was trying to boot at the time), so have you guys any solutions , please do help me cuz this phone really is important and with all honestly, isn't even mine XD, I'll be waiting for an answer

Your failsafe options are contact Samsung or do a factory reset (and then potentially contact Samsung).
If you can't boot it to anything, the only real option you have is to flash firmware, which likely won't help without wiping.
Unfortunately, not booting doesn't have a whole lot of options that don't wipe data without being rooted. Even then, you'd need recovery.

I see, then I may consider giving it to samsung, as long as they won't reset it, cuz the only reason why the phone is so important is because of the data, altough, isn't there any other way to acess recovery? Cuz I had this problem with the s10 before and I fixed it somehow (a certain Bixby key combination), but this time it seems there isn't any hidden combination.

Samsung is going to reset it. It's a required first step for them to do any work on it, even if the work has nothing to do with the software. What may help find a way to recover the data is starting with how it got to this point. Did you install anything new, change any important settings, or anything else that could have been a part of the issue? If not and it is an unexplained hardware failure, the data is likely gone already.
If it's something you might have installed or changed, it's possible that putting the phone in safe mode and undoing it may solve the issue and let you boot normally.
Booting into Safe Mode:
Make sure the device is powered off (charging is ok, as long as it is not currently trying to boot)
Hold the side key to power on and continue holding until "SAMSUNG" appears and the device vibrates
Immediately release the side key and begin holding volume down until boot completes
If the device has booted into safe mode, you will see a translucent "Safe Mode" in the bottom left

twistedumbrella said:
Samsung is going to reset it. It's a required first step for them to do any work on it, even if the work has nothing to do with the software. What may help find a way to recover the data is starting with how it got to this point. Did you install anything new, change any important settings, or anything else that could have been a part of the issue? If not and it is an unexplained hardware failure, the data is likely gone already.
If it's something you might have installed or changed, it's possible that putting the phone in safe mode and undoing it may solve the issue and let you boot normally.
Booting into Safe Mode:
Make sure the device is powered off (charging is ok, as long as it is not currently trying to boot)
Hold the side key to power on and continue holding until "SAMSUNG" appears and the device vibrates
Immediately release the side key and begin holding volume down until boot completes
If the device has booted into safe mode, you will see a translucent "Safe Mode" in the bottom left
Click to expand...
Click to collapse
Well I just asked the original owner (my mother), and apparently she doesn't remember downloading anything new into it, and it just went crazy by itself, also something else I wanna note, I tried charging it and it booted into recovery all by itself, I taught it was weird but Still went and wiped the cache and then when I tried restarting it it suddenly ran out of juice once again, also, it's second display shows some weird curruption/bug or glitch-like lines. So based off of this, can you really find the origin of this problem and if there is really any hope of saving it's data XD. Thank you btw, and once again, I'll be waiting for an answer

There are hundreds of reasons it could do that, including a faulty board. Thanks to the removal of physical sdcard support, you'd need to get it to boot into something with at least adb support to pull anything off it. Stock recovery doesn't provide any ways to perform a decent backup, but it sounds like the only option that wouldn't wipe the device didn't work.

I see, alright, thanks a lot, I'll consider resetting it

It may be worth trying to flash firmware first. Go into it knowing it may reset the device or leave you needing to reset it, but it doesn't hurt to try if you run out of safer options.

Same here, same symptoms, happened in front of my wife's and eyes face. We are fairly techy and understand our way around our devices. We also noticed the device crashed then would make it all the way to the home screen launcher and before catching signal the crash would cause a restart at that point I went in and did a cash swipe rebooted right back into recovery by itself then I unplugged the cable and it was acting as if it has a dead battery but when the cable was last plugged in during a couple of crash and then restarts all the way to the home screen I know the battery was at 70 something percent. My next step is going to probably be flashed the current firmware that just released on top of it as a dirty flash and see if I can get it to boot. If not then I'm going to do a hard reset and see if that works. When plugged in it automatically starts exhibiting symptoms as if the buttons are stuck. The devices in the OtterBox and it's fairly brand new I would say mint. Not dirty or any smudges either. all I'm saying is I'm one of those type of technicians that say yeah right when people say it just happened I don't know where but this actually happened I don't know when I was able to witness it. I'll come back and let you guys know what works and what doesn't. (By the way excuse my grammar I was voice typing while driving )

ariveraiv said:
Same here, same symptoms, happened in front of my wife's and eyes face. We are fairly techy and understand our way around our devices. We also noticed the device crashed then would make it all the way to the home screen launcher and before catching signal the crash would cause a restart at that point I went in and did a cash swipe rebooted right back into recovery by itself then I unplugged the cable and it was acting as if it has a dead battery but when the cable was last plugged in during a couple of crash and then restarts all the way to the home screen I know the battery was at 70 something percent. My next step is going to probably be flashed the current firmware that just released on top of it as a dirty flash and see if I can get it to boot. If not then I'm going to do a hard reset and see if that works. When plugged in it automatically starts exhibiting symptoms as if the buttons are stuck. The devices in the OtterBox and it's fairly brand new I would say mint. Not dirty or any smudges either. all I'm saying is I'm one of those type of technicians that say yeah right when people say it just happened I don't know where but this actually happened I don't know when I was able to witness it. I'll come back and let you guys know what works and what doesn't. (By the way excuse my grammar I was voice typing while driving )
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Click to collapse
Hello everyone just a quick update. Once I got home I plugged the device into a Samsung fast charger and Samsung OEM USB type-c cable and realize the device booted all the way to the home screen but register the same battery level as I mentioned above. Device was working as if nothing happened to it. So I updated all the apps on the Galaxy store then updated all the apps left over from the Google Play store, I then proceeded to check for a firmware update because I know the April update just released and installed the update with no issues. Updated the apps that needed to be updated again somehow there's always something and unplug the device from the power cable. Everything was working if no issues about half hour later the device cuts off and does not want to power on. FYI I already had my wife contact T-Mobile and get a warranty replacement we only paid $5.00 so my thoughts and conclusion on what's going on something happened to the battery or it's defective. Btw we only use Samsung OEM cables and equipment at home and in the car while connected through Android auto. it's only working while being plugged in it's not charging all the way even though it's registering it's charge level while the device is on.

I will try to answer all the problems of XZ2 :)

Hi , i have working with more than 100 xz2 phones , i got many problems and fix it (google and xda) , so I think I can help you to fix your problem with xz2 asap if u ask me in this post
My exp :
Flash
Unlock
Root
and some small problems...

[deleted]

sinommo said:
Hi , i have working with more than 100 xz2 phones , i got many problems and fix it (google and xda) , so I think I can help you to fix your problem with xz2 asap if u ask me in this post
My exp :
Flash
Unlock
Root
and some small problems...
Click to expand...
Click to collapse
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.

mohhom said:
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.
Click to expand...
Click to collapse
I think u just need to reinstall rom file with newflasher and stock rom , did u tried it ? with newflasher newest version , u still can keep the personal files and flash stock rom for the phone , then i think this phone will run normal again
If u dont know how to do that , reply comment here , but u should turn off the phone to keep battery well , if u can't turn off the phone , try to press and hold volume up button + power button within 5 sec , phone will vibrate 3 times and totally off

Is there a way to get a stock recovery if somehow the recovery has been deleted?

After deleting all apps my phone does not work anymore

So first of all I have a S5 neo which I have rooted. I wanted to achieve that there is no way to access the data on the phone without physical access to it.
So I have everything with Wifi, Bluetooth, GPS, LTE, UMTS or GSM unsoldered from the motherboard. It worked except for the problem that the phone only started in safe mode so I could not use my own apps.
First I updated Lineageos from the official 17.1 to the unofficial version 18.1 with this ROM https://forum.xda-developers.com/t/...1-0-0_r49-lineageos-18-1-28-nov-2021.4292703/ .
Which in itself worked but it still starts in safe mode even when setting up.
Then I had the idea to uninstall system apps via TWRP. Since probably because of the missing components a system app throws errors why it goes into safe mode. So in TWRP via advanced -> file manage in system gone and have thought in my infinite wisdom, since I do not know if it repairt I remove all apps, if it solves my problem I can narrow it down later which app exactly. So first priv app and app folder completely solved.
Now to my current point of view. It does not boot into Lineageos (who could have imagined that XD). So it comes as far as in the boot animation (green curved line where always a circle moves from right to left).
When I try to boot in TWRP it just loops the Samsung logo and then when I release the buttons it tries to boot back into Lineageos.
When I try to boot into download mode it works up to the point where it says warning and I have to press volume up to advance or volume down to cancel. Whereas in here all at once the volume dasten do nothing more. and no the keys are not broken because otherwise I would not have come into the menu.
USB debugging and the like is of course not aktieviert, because I just installed a new ROM.
I don't intend to do anything illegal with the phone, as you might think, it's just a backup idea that I'm implementing for fun.
Does anyone have any idea what I can do?
My only idea right now would be to solder the EMMC memory from another mainboard to my current mainboard.

Chigoma333 said:
So first of all I have a S5 neo which I have rooted. I wanted to achieve that there is no way to access the data on the phone without physical access to it.
So I have everything with Wifi, Bluetooth, GPS, LTE, UMTS or GSM unsoldered from the motherboard. It worked except for the problem that the phone only started in safe mode so I could not use my own apps.
First I updated Lineageos from the official 17.1 to the unofficial version 18.1 with this ROM https://forum.xda-developers.com/t/...1-0-0_r49-lineageos-18-1-28-nov-2021.4292703/ .
Which in itself worked but it still starts in safe mode even when setting up.
Then I had the idea to uninstall system apps via TWRP. Since probably because of the missing components a system app throws errors why it goes into safe mode. So in TWRP via advanced -> file manage in system gone and have thought in my infinite wisdom, since I do not know if it repairt I remove all apps, if it solves my problem I can narrow it down later which app exactly. So first priv app and app folder completely solved.
Now to my current point of view. It does not boot into Lineageos (who could have imagined that XD). So it comes as far as in the boot animation (green curved line where always a circle moves from right to left).
When I try to boot in TWRP it just loops the Samsung logo and then when I release the buttons it tries to boot back into Lineageos.
When I try to boot into download mode it works up to the point where it says warning and I have to press volume up to advance or volume down to cancel. Whereas in here all at once the volume dasten do nothing more. and no the keys are not broken because otherwise I would not have come into the menu.
USB debugging and the like is of course not aktieviert, because I just installed a new ROM.
I don't intend to do anything illegal with the phone, as you might think, it's just a backup idea that I'm implementing for fun.
Does anyone have any idea what I can do?
My only idea right now would be to solder the EMMC memory from another mainboard to my current mainboard.
Click to expand...
Click to collapse
I would throw it away at this point, it isn't worth the money, the time or the effort.
Find something else to tinker with, just don't destroy it the way you did this device.

Why take the approach on unsoldering?
Etherway.... , yes just throwing it away at this point is the best thing

FKX1997 said:
Why take the approach on unsoldering?
Etherway.... , yes just throwing it away at this point is the best thing
Click to expand...
Click to collapse
also if the data is confidential, try drilling through the EMMC

I got it working again with the help of a Samsung USB jig.