Stuck on Flashtool (now in right thread ;) ) - Sony Xperia XZ Questions & Answers

Hi i'm totally lost. I like to unlock the phone . I want to downgrade to Marschmallow using Flash tool. I'm totally stuck at : please wait until the end of the process... Looked up everything i could find but everytime it's back. Am i to unpatient or....i guess i need help. Please somebody.
I'm not an expert but definitely not a noob, flashing since the last 8 years but i cant get past this problem.
Thanks in advance for the solution, so i can go on to root/flash other roms.

FlashTool 32bit

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Cant update to JB :(

Hey guys, here is my problem...
I had rooted my note using Zedomax's guide, and installed custom bootloader n all...
First time I tried to do OTA update, it just said 'bad file' < something along that line, tried it again and same.
Then I flashed a different bootloader I found here on the forums <sorry I cant seem to recall the link> and still, the process stops at 24% time and time.
I've tried this for about 6-7 times till now, always fails.
Still stuck in stock 4.0.4, can anyone help me?
Thanks in advance.
DeeChan said:
Hey guys, here is my problem...
I had rooted my note using Zedomax's guide, and installed custom bootloader n all...
First time I tried to do OTA update, it just said 'bad file' < something along that line, tried it again and same.
OTA fails on rooted phones .
Then I flashed a different bootloader I found here on the forums <sorry I cant seem to recall the link> and still, the process stops at 24% time and time.
I've tried this for about 6-7 times till now, always fails.
#
F*** knows why anyone would flash a bootloader .
Read the faqs and guides before playing with firmware .
Try
http://forum.xda-developers.com/showthread.php?t=1978840
Essential return to stock is factory reset flash upgrade firmware via KIES or stock firmware via Odin .
jje
Click to expand...
Click to collapse
Thank you soo very much!
JJEgan said:
F*** knows why anyone would flash a bootloader .
jje
Click to expand...
Click to collapse
Cos people try anything when they have no idea... Instead of reading just a little to find out they will blindly throw themselves off cliffs because the instructions say so....
ultramag69 said:
Cos people try anything when they have no idea... Instead of reading just a little to find out they will blindly throw themselves off cliffs because the instructions say so....
Click to expand...
Click to collapse
Yea, I was just asking for help there, not your personal opinion. Thanks anyways!
Come on guys, why so serious?
everyone make mistakes, im 100% sure even people who read everything possible would make mistakes at first. thats how people learn.
If u cant help in a friendly manner, then dont help at all, there is some others here who would help.
@DeeChan
anyway, glad that you got ur problem solved.

LG Optimus G E975 Secure booting error

Hello everyone,
I got an OTA update today and it said I needed to reboot my phone, which is an LG Optimus G E975.
When I did all I got was an error saying ''Secure booting Error!'' and under that ''Cause : boot certification verify''
What do I do now? I can't get in my phone at all and I have no knowledge on how to fix my phone and I really need it!
I would like to add that my phone was rooted.
If you guys could help me with this problem that would be amazing!
Please send your answers to [email protected]
Also please keep in mind that im not good with cellphones, in other words.. I don't know how to flash something so if you could just give me a step by step solution that would be amazing.
Thx a lot in advance!
Yair1991 said:
Hello everyone,
I got an OTA update today and it said I needed to reboot my phone, which is an LG Optimus G E975.
When I did all I got was an error saying ''Secure booting Error!'' and under that ''Cause : boot certification verify''
What do I do now? I can't get in my phone at all and I have no knowledge on how to fix my phone and I really need it!
I would like to add that my phone was rooted.
If you guys could help me with this problem that would be amazing!
Please send your answers to [email protected]
Also please keep in mind that im not good with cellphones, in other words.. I don't know how to flash something so if you could just give me a step by step solution that would be amazing.
Thx a lot in advance!
Click to expand...
Click to collapse
im sure it was because you rooted it, but it shouldnt have bricked it. does it turn on at all? do you have a custom recovery installed?
also no need for 5 threads friend, i can understand your frustrated but still it clutters everything up.
same issue
Trozzul said:
im sure it was because you rooted it, but it shouldnt have bricked it. does it turn on at all? do you have a custom recovery installed?
also no need for 5 threads friend, i can understand your frustrated but still it clutters everything up.
Click to expand...
Click to collapse
I have the same issue after installing a software update ( that came available) yesterday.
2 Weeks before I tried to root my Optimus G without succes because i didn't finished the whole guide.
I didnt unlock the bootloader but everything worked fine up until now.
I doesn't boot and is stuck on the message: Secure booting error, so it does turn on and i dont think there is custom recovery installed because the bootloader isn't unlocked.
Please let me know what you think/ want more details.
Peter24444 said:
I have the same issue after installing a software update ( that came available) yesterday.
2 Weeks before I tried to root my Optimus G without succes because i didn't finished the whole guide.
I didnt unlock the bootloader but everything worked fine up until now.
I doesn't boot and is stuck on the message: Secure booting error, so it does turn on and i dont think there is custom recovery installed because the bootloader isn't unlocked.
Please let me know what you think/ want more details.
Click to expand...
Click to collapse
i dont think its because you didnt unlock your boot loader, many phone rooting methods dont need to unlock the bootloader for that. your going to have to take this to the devices offical thread on xda http://forum.xda-developers.com/forumdisplay.php?f=1838 good luck mate.

[Q] My phone can not reboot or restart

Tonight, I've tried to root my phone by using 'motochopper 1.3 xt907'. After while, it could not Reboot and just death the device. I am really disappointed and don't know what shall I do for this problem?. Please can you help me?, how can I get back my lovely phone (C2104). I have a flastool with 4.2.2 update in .ftf file. Since, my phone got death, is there anyway to flash it or whatever it may be to get it start..Please help me..
Thank you XDA...
FPThatea said:
Tonight, I've tried to root my phone by using 'motochopper 1.3 xt907'. After while, it could not Reboot and just death the device. I am really disappointed and don't know what shall I do for this problem?. Please can you help me?, how can I get back my lovely phone (C2104). I have a flastool with 4.2.2 update in .ftf file. Since, my phone got death, is there anyway to flash it or whatever it may be to get it start..Please help me..
Click to expand...
Click to collapse
Now I've found out my problem and solved it. I got my phone back, thanks a lot to our dedicated and helpful Senior members for your hard works and patience to the newer member like me..

[Q] [problem] JB 4.2.2 bootloop

Hello there!
Im new to this forum, thou ive used some stuff from it before.
So, i got tired of my ICS o3d.. Too many problems with apps and other stuff.
And now ive tried to flash JB 4.2.2 to it.
Worked fine throu the flash, but stucks in bootloop on first boot.
And now i cant even do sh*t with my phone. Cant even get into recovery.
So, im not noob on flashing/rooting and all that. Been doing it for some years now.
But never got a bootloop like this one before.
How do i fix this?
EDIT:
Sometimes when i try to get into recovery (by pressing vol - button) it asks me if i wanna do a hard factory reset. And ive done that now two times. Still stucks on bootloop.
solved
Sorry for doubleposting.
But, i managed to save the phone.
OMAPflash + LGflashtool = unbrick
thanks to the man who invented them things.
Sulotion here:
[GUIDE] [P920/5] [SU760] Resurrection Guide (Lets get those brick's fixed...)
Friggin' awesome.
Now i only need to flash for JB again hope for not brick it again.
So..
the rom itself runs fine. No 3D anyhow.
But, my IMEI got lost.
And i cant fix it. Help needed!
Feels like im flooding the **** out of this thread. Sry for that.
BUT..
i managed to get my IMEI back.
I did a recovery with LGmobile Support Tool. And then i got bootloop from hell.
So i go back to the whole unbricking procedure.
And thank god it worked.
Too bad im back on 2.3.5 now. Want 4+.
Maby its for the best to stay on 2.3..
Thread can be closed.

[Q] Noob may have killed his new phone please help

Hi guys please help as im desprate now ive tried to flash the new l system onto my nexus but as i unlocked my bootloader ive not been able to get anything back onto the phone
I have been at it for 12 hrs solid and i really need the phone before tomorrow and its 3 26 am here!
i have foillowed all the info i have read all to no avail i can get into the boot loader no problem but i can not get anything into the phone all i get is a cannot load error when using adb i wish i had left alone as it the works phone and im in deep trouble if you guys cant help me out
Can anyone give me a step by step instuction to reflashing it back to stock
I had cwm on but i cant get it to mount the sd card to be honest i aint got a clue what im doing
please take pity on the idiot and help him
baz
deleted., misread.
Hello!
I'm a noob as well, but I'll try my best to help with whatever I can as I have semi bricked my phone several times and safely got away with it. Assuming you followed the instructions on the Google developer page for Android L, have you tried reverting back to KitKat with the factory images they have provided via SDK? With SDK, you can open up the terminal in the SDK tools path to send commands forcing your phone into certain modes such as fastboot that is needed to flash the factory images.
https://developers.google.com/android/nexus/images
Baz, click the link in my signature. There is a step by step guide to flash back to stock.
Sent from my Nexus 5 using Tapatalk

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