Can't go back to stock - Xperia Z2 Q&A, Help & Troubleshooting

Hi, i was using resurrection remix 8.1 and now i want to go back to stock (existenz mm in fact), i reflashed stock and a kernel with recovery (elitekernel), i went to recovery and flashed existenz (i never got to boot to stock), and it boots but stays on the splash screen doing nothing (the back doesnt get hot and i restarted the phone with the button on the side, went to recovery and checked the data partition usage and it has 0mb used), i don't know what else to do, any help will be appreciated
edit: then i reflashed oreo kernel and resurrection remix and i got it to work, but i would like to go back to stock

Gonzanob said:
Hi, i was using resurrection remix 8.1 and now i want to go back to stock (existenz mm in fact), i reflashed stock and a kernel with recovery (elitekernel), i went to recovery and flashed existenz (i never got to boot to stock), and it boots but stays on the splash screen doing nothing (the back doesnt get hot and i restarted the phone with the button on the side, went to recovery and checked the data partition usage and it has 0mb used), i don't know what else to do, any help will be appreciated
edit: then i reflashed oreo kernel and resurrection remix and i got it to work, but i would like to go back to stock
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Flash stock ftf with flashtools and remember to check all boxes of wipe section

better use Emma tool u will revert back to stock tried and tested that tool

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Desperately need help with my S3 PLEASE

I am unable to get my phone to boot up. I was running resurrection remix fine with no problems, but decided to change ROMS. I did a full wipe and flashed Criskelo ROM through CWM, all looked well, but my phone wouldn't boot. I get the samsung sound and then my phone gets stuck on the Samsung screen. I restored my backup of resurrection remix, but again, my phone wouldn't fully boot. I then decided to flash the original firmware through Odin, which went well also, and passed. But again, my phone wont boot. I know i am using the correct firmware as i have used this firmware before. My phone will charge with no problems, but i cannot get past the Samsung screen. Can anyone help???
mgf8384 said:
I am unable to get my phone to boot up. I was running resurrection remix fine with no problems, but decided to change ROMS. I did a full wipe and flashed Criskelo ROM through CWM, all looked well, but my phone wouldn't boot. I get the samsung sound and then my phone gets stuck on the Samsung screen. I restored my backup of resurrection remix, but again, my phone wouldn't fully boot. I then decided to flash the original firmware through Odin, which went well also, and passed. But again, my phone wont boot. I know i am using the correct firmware as i have used this firmware before. My phone will charge with no problems, but i cannot get past the Samsung screen. Can anyone help???
Click to expand...
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Go into recovery and do data/factory reset and wipe cache and boot up.
gee2012 said:
Go into recovery and do data/factory reset and wipe cache and boot up.
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Click to collapse
You the man.....worked. Thank God...i was s****ing myself. Thanx again!!!
mgf8384 said:
You the man.....worked. Thank God...i was s****ing myself. Thanx again!!!
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Glad it helped

HELP 25pc210 test b/d?

Hi my phone is behaving as though it is bricked but its never been flashed until now. the phone was working fine all of a sudden the phone wont boot up in normal mode but will boot in download mode and recovery.
if i do a battery pull and the power on phone it boots straight to recovery. I have tried flashing two different stock roms and also installed siyah kernel and a custom rom but same issue when trying to boot up with a reboot in recovery the screen stays black and the computer recognises it a Sec S5PC210 Test B/D
Phone boots okay in recovery and download just not normal mode
Edit when i put siyah kernel and add second rom it starts booting but then the rom is in bootloops ????
Are u flashing roms through odin? If so try flashing it via cwm recovery. Before u do that try wiping cache, Dalvik cache and then Flash rom.
santhosh502 said:
Are u flashing roms through odin? If so try flashing it via cwm recovery. Before u do that try wiping cache, Dalvik cache and then Flash rom.
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when flashing through cmw it boots rom bot rebooting the phone it crashes and with odin phone jus boots into recovery
I think you flashed siyah kernel with non stock rom. Siyah works only with stock based ROMs. Were you in Stock rom and kernel when your phone acted strangely?
santhosh502 said:
I think you flashed siyah kernel with non stock rom. Siyah works only with stock based ROMs. Were you in Stock rom and kernel when your phone acted strangely?
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no the phone was never flashed i went into download mode to flash with odin and ever since its been acitng strange
chwads2k8 said:
no the phone was never flashed i went into download mode to flash with odin and ever since its been acitng strange
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at moment i jus managed to get wanam lite on it and it boots up and acts fine when on but sometimes phones turns off when screens off i have to do a battery pull and power back on it boots back up. when the phones on everything works fine which is why i dont think its hardware related
still dont understand why it wont boot up properly even with full clean odin flash, i tried using oding and nand erase all but odin just froze on erase and didnt go further so not sure what prob is
I don't know bud. Even when your phone was never flashed it acted strange. Since it works now, u may try wiping data, cache, dalvik cache, system, battery stats and Flash new rom via cwm recovery. And make sure u flash compatible kernel too.
santhosh502 said:
I don't know bud. Even when your phone was never flashed it acted strange. Since it works now, u may try wiping data, cache, dalvik cache, system, battery stats and Flash new rom via cwm recovery. And make sure u flash compatible kernel too.
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Click to collapse
this is soooo wierd . i tried to flash kernel on the rom but went back to square 1. so flashed with odin and flashed siyah kernel and added second rom. phone rebooted ok but stuck in bootloops so this time i decided to do a full wipe and install wanam lite without updating kernel and modem. This has worked and now phone is fully working tested it for 12 hours no random reboots phone boots up normally ok.
So why doesnt it work if its flashed with stock from odin. iv have had many android phones so kinda know what am doin but the issue with this S2 is baffling. not gna flash this now as at moment its working perfect
chwads2k8 said:
this is soooo wierd . i tried to flash kernel on the rom but went back to square 1. so flashed with odin and flashed siyah kernel and added second rom. phone rebooted ok but stuck in bootloops so this time i decided to do a full wipe and install wanam lite without updating kernel and modem. This has worked and now phone is fully working tested it for 12 hours no random reboots phone boots up normally ok.
So why doesnt it work if its flashed with stock from odin. iv have had many android phones so kinda know what am doin but the issue with this S2 is baffling. not gna flash this now as at moment its working perfect
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Click to collapse
LOL this just gets worse now my mobile network disconnects completly and comes back up so wierd and annyoing time to throw the samsung crap away and go for nexus

Z2 won't boot with stock rom after lineageOS?

Hi!
I recently installed lineageOS 14 over stock 6.0, since everyone praised it. However, it randomly rebooted in my pocket during the day hourly, so I decided to go back to stock.
But it neither boots with stock based rom, nor on a freshly installed stock with flashtool. It stucks at the bootanimation for hours, and doesn't reboot like it does in similar situations.
What the hell is that, could anyone help me?
(Btw my Z1C has the same problem)
I also installed Lineage OS, but after having a problems with keyboard i revert to stock with flash tool ver 0.9.18.6. I accidentally installed 5.1.1 uk version then after reboot i download new 6.0.1 ver and installed it over. Phone is working ok, no reboots. Maybe you should try to install again stock rom or change the flash tool version
Wipe APPS_LOG and USERDATA is mandatory when rolling back to previous Android versions, maybe you have missed that part?
iXaidyiu said:
Wipe APPS_LOG and USERDATA is mandatory when rolling back to previous Android versions, maybe you have missed that part?
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Click to collapse
Last time I think it did work without wiping userdata, so I didn't check those to wipe, however, to make sure I did a factory reset before from recovery. But I guess apps_log is not erased with a factory reset?
Anyway, thank you very much, I will try again this way.
Ps. It might be the cause that it still didn't boot when I tried a different rom with flashtool.
Update: Thank you, that did the trick, successfully booted!

Any rom i flash stuck at system boot animation screen

So i followed a thread here on xda to flash a custom ROM, everything went perfect going from stock to TWRP, but whatever ROM i flash i keep getting stuck at the system animation boot screen from the ROM, i left my phone on for a whole day but that lead to nothing, so i guess something is wrong with my S2?
I've tried only flashing the ROM, then i wiped everything and installed the ROM+Gapps and nothing, wiped everything... ROM+MicroG and nothing...
It has been almost a month im trying to flash a ROM on my S2 but no google result or youtube videos has helped me so far.
I'm on TWRP 3.3-1-1 right now
Any ideias?
Cheers!
hi. so I've been running DND on my s2 for a while now. I tried to update to the pixel experience, by using lanchon to boost my system partition to 2gb, which seemed to have been successful. Since then I've tried to flash the pixel ROM but I now the device gets stuck at the animation boot for over 8 hrs. I then tried to revert back to DND but same response.
I have noticed when I try to install any ROM apart from DND, the process ends in a Status Error:7 unable to flash xxx_rom
Any help greatly appreciated!

Went back to stock to flash a new custom rom but whatever I try I get boot loops.

HD1910 model, I had a working rom and tried various custom kernels to help battery life but decided to change to a rom that I can update via the phone rather than manual fastboot flash.
Chose Carbon rom, went back to latest stock with MSMtool, unlocked bootloader and seemed ok, but got a bootloop.
Thought something was wrong so used MSMtool again and tried various small differences i.e running fastboot -w before I flashed rom, before and after and either got a constant bootloop or a strange occurance where after it bootlooped a few times it went back to a factory reset stock rom.
I attempted to do a slower wipe i.e erase system, boot etc one by one but it said error (I used bootloader fastboot which I can't remember is different) I tried TWRP 3.4.0.2 and 3.4.01
I get FDE error, system_mount and vendor so what is the issue?
I even tried Lineage and same issue, just constant boot logo loops.
I would prefer a custom rom not stock
Is having a custom kernel affecting the install?
"went back to latest stock with MSMtool, unlocked bootloader and seemed ok, but got a bootloop."
This is the only thing that matters, as MSMTool completely resets the phone, if a problem happens after it's not related on what you did before.
My guess, maybe wrong MSMtool?
Or maybe you flashed the room incorrectly?
And what error you did get when you ran fastboot -w?
Pretty much sorted now, I wiped with fastbootd, then installed via a payloaddumper rather than in TWRP, I worked out what was causing bootloop was opengapps, once I used a older version (of the same android 10, pico arm64 etc) it installed and booted.
Only issue now is ctsprofile is false, but at least phone all works.

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