Where can i find the Stock ROM?

Wei Xu

Member
Jan 15, 2016
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After whole day trying, i can't flash MarshMallow and now system is keep reboot after show the logo,
perhaps i should had chose a Nexus 9.

I tried to restore with TWRP but it keep failing with 'Can't mount /system as read-write' like error message, I DO choose 'Swipe to Allow Modifications', seems i have to flash stock ROM.
Is there anywhere to download the stock ROM to reset it to default? or any other way to restore it?
 

killdozer56

Senior Member
Dec 22, 2015
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LORIENT
After whole day trying, i can't flash MarshMallow and now system is keep reboot after show the logo,
perhaps i should had chose a Nexus 9.

I tried to restore with TWRP but it keep failing with 'Can't mount /system as read-write' like error message, I DO choose 'Swipe to Allow Modifications', seems i have to flash stock ROM.
Is there anywhere to download the stock ROM to reset it to default? or any other way to restore it?
Hi
Download flashtool http://www.flashtool.net/downloads.php. and xperifirm http://forum.xda-developers.com/cro...xperifirm-xperia-firmware-downloader-t2834142 . Search with xperifirm the correct Rom version. And correct location for your tablet.
Create a ftf file and flash it with flashtool. Search in this forum to find how to create a ftf file.
Reinstall androplus kernel v10, twrp and SuperSu
If you made a backup of the user data partition with twrp you can restore it (the restoration of the system partition does not work).
 
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Wei Xu

Member
Jan 15, 2016
13
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Hi
Download flashtool http://www.flashtool.net/downloads.php. and xperifirm http://forum.xda-developers.com/cro...xperifirm-xperia-firmware-downloader-t2834142 . Search with xperifirm the correct Rom version. And correct location for your tablet.
Create a ftf file and flash it with flashtool. Search in this forum to find how to create a ftf file.
Reinstall androplus kernel v10, twrp and SuperSu
If you made a backup of the user data partition with twrp you can restore it (the restoration of the system partition does not work).
Thanks, since what i have flashed is just boot.img, recovery.img, system.img and userdata.img, is it possible to just flash these image back, i checked both linux and windows out to package a ftp, but looks it's a little complicated to make it.
 

killdozer56

Senior Member
Dec 22, 2015
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I found a UK 'ftf' on xperiablog, can i use this for my HK version?
Create a FTF file is not complicated. With flashtool(Tools ->bundle->fileset decrypt)
I assume you have a SGP712.(wifi only) Because there is a Cutomized HK version 28.0.A.8.260 for the sgp771 with xperifirm
Am i correct ?
If you have the SGP712 you can try to flash the uk ftf you found via flashtool.
If you have the lte SGP771 i'm not sure your uk ftf file is compatible (because of the lte baseband) but you can try it
 
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cchristofis

New member
Oct 18, 2007
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Create a FTF file is not complicated. With flashtool(Tools ->bundle->fileset decrypt)
I assume you have a SGP712.(wifi only) Because there is a Cutomized HK version 28.0.A.8.260 for the sgp771 with xperifirm
Am i correct ?
If you have the SGP712 you can try to flash the uk ftf you found via flashtool.
If you have the lte SGP771 i'm not sure your uk ftf file is compatible (because of the lte baseband) but you can try it
Thank you bro! You saved my day (and my wallet too)! I had the same problem and this procedure worked like a clarm!:)
 

signwav

New member
Feb 5, 2016
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Will flashing unlock phone?

Hi all members of XDA-Dev

This is my first post. I hope Im posting in the right section and thread, if not sorry in advance and please point me in the right direction.

Im too wondering about a rom flash for my Sony Xperia Z4 Tablet (SGP771)
My situation is that the SIM function is locked to a certain telco and Im wondering if I flash this device using the factory rom that comes from Sony if it will "unlock" it.

Since Im new to this Im wondering it may not necessarily be "stock rom" ie stock android from Google, but the modified android rom that comes from Sony as, at this stage, I still want to explore all the offering Sony has that comes with this device. Or am I wrong to assume that after flashing stock android rom, installing the complete "stock" apps that comes factory with this device is a process that is without much fuss (my emphasis)?

I know I can pay a good sum to get this unlocked by the telco but Im also hoping that I can somehow find tools on this forum and do it myself of course with the generous help of fellow memebers.

My primary objective is to unlock this tablet so I can use it with another telco and if by flashing I can get it done or by some other means then please share your knowledge with this noob :)

Thanks
 

killdozer56

Senior Member
Dec 22, 2015
314
104
0
LORIENT
Hi all members of XDA-Dev

This is my first post. I hope Im posting in the right section and thread, if not sorry in advance and please point me in the right direction.

Im too wondering about a rom flash for my Sony Xperia Z4 Tablet (SGP771)
My situation is that the SIM function is locked to a certain telco and Im wondering if I flash this device using the factory rom that comes from Sony if it will "unlock" it.

Since Im new to this Im wondering it may not necessarily be "stock rom" ie stock android from Google, but the modified android rom that comes from Sony as, at this stage, I still want to explore all the offering Sony has that comes with this device. Or am I wrong to assume that after flashing stock android rom, installing the complete "stock" apps that comes factory with this device is a process that is without much fuss (my emphasis)?

I know I can pay a good sum to get this unlocked by the telco but Im also hoping that I can somehow find tools on this forum and do it myself of course with the generous help of fellow memebers.

My primary objective is to unlock this tablet so I can use it with another telco and if by flashing I can get it done or by some other means then please share your knowledge with this noob :)

Thanks
Hi,
I think you can unlock your tablet to use another provider with flashtool and xperifirm and flash a sony stock rom, you can give it a try
 
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signwav

New member
Feb 5, 2016
3
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Thanks killdozer56 for your advice.

I wonder if any other network locked devices have been able to be unlocked by flashing?
Im really wanting to do this but Im a bit reluctant to test it if their arnt any confirmed circumstances where this works cos Im a noob and Im chicken.
And since Im really new and their arnt any confirmed successful attempts, I dont really want to be placed in a situation where if the experiment goes bad I have myself to blame because I bricked it at worst or at least cant restore it to factory default to try again or at least put the device in a state where the telco can unlock it for me. Am I being defeatist? So Glum.

Maybe I should do more hunting on this forum to get my SGP771 network unlocked.

Again thanks for your help.
 
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