Z2 Tablet Sgp561 rebooting - Xperia Z2 Tablet Q&A, Help & Troubleshooting

Hi. I have recently bought a used Verizon Sgp561 tablet that constantly reboots after it boots to the home screen. Sometimes is stays on longer, about ten, twenty seconds or so. I have flashed the 319 firmware multiple times and have factory set it as well. Sony Companion is either down or does not work with this tablet. I am no stranger to Sony but I'm seriously stumped with this device. Does anyone have any suggestions on how to correct this issue I will be very grateful. Thanks.

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[Q] Sony Tablets are Starting to Fail on me!?!

So this is quite irritating at the moment. Me and my mom both have a Sony Tablet S (SGPT111US/S). Now both mine and my mothers are causing difficulties right now, and both have very different problems. So I'll start off with my moms tablet since it may just need to be waited out for the problem to go away.
Mom's Tablet:
This was just a couple days ago, My mom says her tablet froze at 10:03 (like it really matters what the time it froze at is) on the cradle. She had to press the reset button to turn it off, however the unit will not Turn on or even go to the Android Recovery Menu to preform a factory reset. As of right now it is connected by the plug rather than being on the cradle. I'm hoping that this issue can fix itself since others have had this experience before and got theirs working just by letting it sit a couple days on the charger, however if you have any ideas on getting it working sooner that would greatly be appreciated.
My Tablet:
I honestly don't know what has happened. Until a couple days ago I turned on my tablet and after it boot up problems emerged out of random the second the lock screen appears every single app crashes, not once but continuously. Even the home screen will crash and continuously reload itself, so getting to any app won't be possible and even at that when i do get to an app it's already crashed and i'm back at the home screen. To help make matters worse, the tablet won't remove Apps permanently, i can uninstall them (oddly enough while every app crashes without them even starting the settings doesn't crash.) however if i reboot the tablet everything returns like nothing ever left. I have even went to the Android Recovery Menu to try to factory reset the device, but the factory resets doesn't even reset even though the ARM says it did. So i'm stuck with this crashing loop and a Non-Factory Resetable tablet. I have tried to see if maybe rooting the tablet could help, but not even the Tablet will load itself completely when connected to my Computer so rooting is out of the question as well. Also the Bluetooth and Wifi won't turn off as well.
In the end,
Both Tablets have the current update (4.0.3 RA5) and both are Not Rooted. They are out of warranty so last thing i want to do is call Sony to repair my tablets for a fee. I would also like to note my tablet has been sent in once for repairs because it was stuck looping the boot screen, so my tablet has had trouble in the past, but since then until now i have never had any problems. I will admit, i do sometimes install cracked apps, the app i installed just a day before all this happened was Minecraft 0.7.2.......I have installed it on my EVO and Walkman Z and no problems have occurred and they still have the game.
Please any help for these tablets will be Greatly appreciated. Please Will you help Me?
jobobishere said:
So this is quite irritating at the moment. Me and my mom both have a Sony Tablet S (SGPT111US/S). Now both mine and my mothers are causing difficulties right now, and both have very different problems. So I'll start off with my moms tablet since it may just need to be waited out for the problem to go away.
Mom's Tablet:
This was just a couple days ago, My mom says her tablet froze at 10:03 (like it really matters what the time it froze at is) on the cradle. She had to press the reset button to turn it off, however the unit will not Turn on or even go to the Android Recovery Menu to preform a factory reset. As of right now it is connected by the plug rather than being on the cradle. I'm hoping that this issue can fix itself since others have had this experience before and got theirs working just by letting it sit a couple days on the charger, however if you have any ideas on getting it working sooner that would greatly be appreciated.
My Tablet:
I honestly don't know what has happened. Until a couple days ago I turned on my tablet and after it boot up problems emerged out of random the second the lock screen appears every single app crashes, not once but continuously. Even the home screen will crash and continuously reload itself, so getting to any app won't be possible and even at that when i do get to an app it's already crashed and i'm back at the home screen. To help make matters worse, the tablet won't remove Apps permanently, i can uninstall them (oddly enough while every app crashes without them even starting the settings doesn't crash.) however if i reboot the tablet everything returns like nothing ever left. I have even went to the Android Recovery Menu to try to factory reset the device, but the factory resets doesn't even reset even though the ARM says it did. So i'm stuck with this crashing loop and a Non-Factory Resetable tablet. I have tried to see if maybe rooting the tablet could help, but not even the Tablet will load itself completely when connected to my Computer so rooting is out of the question as well. Also the Bluetooth and Wifi won't turn off as well.
In the end,
Both Tablets have the current update (4.0.3 RA5) and both are Not Rooted. They are out of warranty so last thing i want to do is call Sony to repair my tablets for a fee. I would also like to note my tablet has been sent in once for repairs because it was stuck looping the boot screen, so my tablet has had trouble in the past, but since then until now i have never had any problems. I will admit, i do sometimes install cracked apps, the app i installed just a day before all this happened was Minecraft 0.7.2.......I have installed it on my EVO and Walkman Z and no problems have occurred and they still have the game.
Please any help for these tablets will be Greatly appreciated. Please Will you help Me?
Click to expand...
Click to collapse
How's your mum's tablet doing right now? If the issue still persists after what you've tried, I'm thinking maybe just let it run out of battery, charge it back up and see what happens. Also, have you tried using the pccompanion software to redownload and reinstall a fresh firmware back onto your tab? It's a more 'thorough' reset method as opposed to a factory reset through the tab settings.

[Q] Vanilla Z2 stuck at purple boot screen

I am in need of expert help.
Last night I rebooted my Z2 and it starts normal up until the purple screen with the wave pattern and then it just stays on that screen and wont boot further.
I have not unlocked or flashed any new firmware it's the stock Android 4.4.4 pushed by Sony. I tried an hard reset but still the same, I even let the phone run this screen until the battery was empty but still every boot it sticks at the same screen.
Only way to shut the phone down once this screen appears is power button and volume up. Any ideas how to get it to boot again? Phone is only 3-4 month old to. Maybe get hold of the original firmware from Sony?
Any help greatly appreciated.
Optikn3rv said:
I am in need of expert help.
Last night I rebooted my Z2 and it starts normal up until the purple screen with the wave pattern and then it just stays on that screen and wont boot further.
I have not unlocked or flashed any new firmware it's the stock Android 4.4.4 pushed by Sony. I tried an hard reset but still the same, I even let the phone run this screen until the battery was empty but still every boot it sticks at the same screen.
Only way to shut the phone down once this screen appears is power button and volume up. Any ideas how to get it to boot again? Phone is only 3-4 month old to. Maybe get hold of the original firmware from Sony?
Any help greatly appreciated.
Click to expand...
Click to collapse
this sounds like a hardware issue, try repairing via sony PC companion and if this still fails then contact sony repair centre as this is a fault with the devices hardware casued not by the user.
Envious_Data said:
this sounds like a hardware issue, try repairing via sony PC companion and if this still fails then contact sony repair centre as this is a fault with the devices hardware casued not by the user.
Click to expand...
Click to collapse
tried the PC companion but it needs me to start the phone up and enter my simcard nr ;-( it happened after a app hung lastnight and I couldn't close the screen down so i uninstalled it and rebooted and ended up with this.
Optikn3rv said:
tried the PC companion but it needs me to start the phone up and enter my simcard nr ;-( it happened after a app hung last night and I couldn't close the screen down so i uninstalled it and rebooted and ended up with this.
Click to expand...
Click to collapse
According to Sony it sounds like a software issue and I should use PC Companion.
Will have to RMA it and wait 3 weeks for it to be returned. Weird never had issues with my Galaxy S3 even & CM11, 4 month old vanilla Z2 bugged out on me ;-(
Optikn3rv said:
According to Sony it sounds like a software issue and I should use PC Companion.
Will have to RMA it and wait 3 weeks for it to be returned. Weird never had issues with my Galaxy S3 even & CM11, 4 month old vanilla Z2 bugged out on me ;-(
Click to expand...
Click to collapse
Seeing how this most likely a software issue you could have easily recovered it using this it doesn't void warranty so you could have saved 3 weeks and the hassle of RMA it back to sony.

Tablet Z2 (SGP521) very, very, really very slow (boottimes)

Recently I purchased a Sony Xperia Tablet Z2 (SGP521). The previous owner sold the tablet, because the tablet frooze at the Sony logo during boot up. This was caused after he performed a firmware upgrade. I hoped this was an easy fix by just reflashing the firmware, but it turns out not to be...
I tried to repair it with "Xperia Companion", but no succes. Then I flashed with "Flashtool" a stock Lollipop version, still no succes. I tried the next morning to leave it booting for an hour and it booted! But Android was very unstable, slow and randomly rebooted. Next I flashed the KitKat version and this time it booted in about 15~20 minutes. Not great, but at least it was more stable with occasionally stutters.
So the initial problem was I guess very, very, but really very slow boot times.
So I hoped to be able to unlock the bootloader, so I could install a recovery and/or a custum ROM. Unfortunately the service menu (and also Flashtool) stated this was not allowed. Also discovered the counters of the SIM lock were al zero...
Despite the very slow boot time, the interface in KitKat runs rather smooth. Almost looks like it runs on the 2 cores with a low clock frequency and is pointing in the direction of a hardware failure.
This is as far as I can get with my knowledge. I hope somebody has experience with this and knows a solution. I would really appreciate it.

Infinite restart loop

Hi,
I have a SE Live With Walkman (wt19i). Not rooted nothing modified.
I broke a digitizer and bought a new one. Replaced it and everything went fine.
Well at least to the point when I turned on Bluetooth. Phone immediately turned off and since then is in infinite restart loop. Sometimes I can see desktop for 1-2 seconds max.
I tired SEUS (SUS) but i learned that it is no longer supported. (What a shame).
I also tried PC Companion but well, its about an hour and it is still in "Initializing" state.
So I have a question is there a way to make my phone normal non-restartable again?
Please help me somehow. My knowledge about hacking/rooting/flashing is minimal. And "Buy a new phone is not a solution". Thanks in advance. :angel:
Damn dude just watch my video it shows you how to fix your device by flashing new software with FlashTool
https://www.youtube.com/watch?v=lZXk31aYOY0

LG G2 Mini (D620) lagging and stuck in LG logo after several flash attempts

Hi, I'm new in this but I'm also desperate for help. For starters, I live in Venezuela so it's a bit troublesome to visit a proper tech service and stuff. Well, as I said in the title, the problem with my phone is that it keeps getting stuck in the LG logo. I've already flash it several times, but this solution only seems to work for a few days. I'll explain the problems in a chronological order
1) I dropped my phone in january and the screen broke, so I bought a new one along with a new touch screen. At that time, the only problem that I had was that, even though I had a SIM card in my phone, it didn't have any mobile network signal. I tried many things but gave up on that and the problem's still with me
2) In an attempt to fix that issue, I factory reseted my phone and since that time I got the feeling that something was off with my device but I dind't pay attention to it cos my phone was working appareantly fine
3)After that my device started to get laggy and I tought it was the battery because sometimes it was at 87% and when you turn it off and turn it on again, the battery was at 67% in an instant. It wasn't that bad so I kept using it like that
4) Sometime around last month my phone reboot itself (it was usual that when my device got reaaally laggy it reboots itself). The problem was that it got stuck in the LG logo so I look for solutions and end up flashing it.
5) It worked for a few weeks but the cycle started again. Laggy and then stuck in LG logo. I bought a new battery (wich works fine) thinking that this would solve the problem so I did a factory reset, flash it and then turn it on but the problem still didn't go away.
I'm desperate for help cos I need my phone to work and since I live in Venezuela, I really need the money and obviosuly, I can't afford to buy a new device. Could someone help me?
A little note here. I tried upgrading the software using "LG Mobile Support Tool 2014" but the app shuts down before downloading the upgrade. I don't know if it's due to my laptop being really old (Acer Aspire 5920). I know I have A LOT of troubles but I'm in need of a friendly help!

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