Database Develop

[Q] How to go back to Stock official ROM sony xperia z1

I'm on ihackers 2.1 ROM android 4.3
rooted
unlocked bootloader
I wanted to go back to stock to C6902_14.2.A.0.290
I found the method but I'm not sure if this is the right way http://lionking853.blogspot.co.uk/2013/11/how-to-go-back-to-stock-firmware-on.html
and if it is the right way, after going back to stock ROM, will my phone unroot and relock again?
Can I just go ahead and do this or must I relock bootloader first?
please help me since I never done this before, only rooted and unlock that I did.
Thank you so much folks

Hey u have to flash 4.2 first pure stock by flashtool using ftf,root it install recovery only if uve got TA BACKUP.Make sure ur on pure stock before restoring TA.Restore TA backup will relock bootlader then flash 4.3 ftf.If no TA backup then u can directly flash stock 4.3 ftf through flashtool & relock it using flashtool
Sent from my C6902 using XDA Premium 4 mobile app

thanks
RISHI RAJ said:
Hey u have to flash 4.2 first pure stock by flashtool using ftf,root it install recovery only if uve got TA BACKUP.Make sure ur on pure stock before restoring TA.Restore TA backup will relock bootlader then flash 4.3 ftf.If no TA backup then u can directly flash stock 4.3 ftf through flashtool & relock it using flashtool
Sent from my C6902 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I downloaded stock C6902_14.2.A.0.290 which is 4.3 it's the tft file
can I just flash it using flashtool? I want to wipe everything, no need to back up, I mean I want it to feel like a brand new phone. like factory reset.u know, and It doesn't matter about root or bootloader,

thanwachai said:
I downloaded stock C6902_14.2.A.0.290 which is 4.3 it's the tft file
can I just flash it using flashtool? I want to wipe everything, no need to back up, I mean I want it to feel like a brand new phone. like factory reset.u know, and It doesn't matter about root or bootloader,
Click to expand...
Click to collapse
if you don't want to relock your bootloader then just go back to .290 with flashtool

ok
Ahki767 said:
if you don't want to relock your bootloader then just go back to .290 with flashtool
Click to expand...
Click to collapse
Thank you, I'll do that

done
I'm finally back to stock ROM and it's much faster than custom ROM
I think it is much more stable too.
I'm no longer rooted anymore but bootloader is still unlocked.
I'm happy now

You can install custom kernel & have root
Sent from my C6902 using XDA Premium 4 mobile app

root
RISHI RAJ said:
You can install custom kernel & have root
Sent from my C6902 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
custom Kernel ? what is really a function to flash a kernel, I mean i have stock ROM, isn't the kernel already compatible? to root, maybe in the future,
Will I be able to update firmware via Sony PC companion? now .290
but the new firmware .136
I have unlocked bootloader

thanwachai said:
custom Kernel ? what is really a function to flash a kernel, I mean i have stock ROM, isn't the kernel already compatible? to root, maybe in the future,
Will I be able to update firmware via Sony PC companion? now .290
but the new firmware .136
I have unlocked bootloader
Click to expand...
Click to collapse
If you have an unlocked bootloader, you will not be able to update using PC Companion. I didnt know all this **** were involved in Sony phones.
I had unlocked my bootloader a couple of days back, didnt know I had to backup my DRM keys and ended up losing my warranty. Now I cant even update my phone using the official updating method.
BTW... the recovery is bundled with the kernel, thats why people refer to it as flashing a kernel instead of recovery. I didnt know this until 2 days back.

Thanks
subhramani said:
If you have an unlocked bootloader, you will not be able to update using PC Companion. I didnt know all this **** were involved in Sony phones.
I had unlocked my bootloader a couple of days back, didnt know I had to backup my DRM keys and ended up losing my warranty. Now I cant even update my phone using the official updating method.
BTW... the recovery is bundled with the kernel, thats why people refer to it as flashing a kernel instead of recovery. I didnt know this until 2 days back.
Click to expand...
Click to collapse
oh thank you
oh so I can't update via pc companion TT
please teach me the easiest way to relock bootloader
Thanks

done relock bootloader
Thanks anyway but I found the method and my phone now relocked bootloader

If you do have a TA backup then you don't have to do anything else then restoring it on a stock rooted firmware..If you don't then use flashtool to relock it..
Revert back for more help..
Hit Thanks if I helped you..
Sent from my LT26i using xda app-developers app

If I am on a Locked Bootloader and on a rooted custom ROM, will Sony PC Companion detect my phone when the next update comes??

This is stupid. If you are in 4.3 (.290) with un-locked boot loader you cant update via PC companion or SUS.
I ended up going to 534 (4.2) via flashtool. Root it, restore TA backup and then use SUS to update. And flashing the latest 4.3 via Flashtool din work.

No PC Companion or SUS won't detect your phone.. You've to manually flash a valid ftf from Flashtool.. Then you can connect & update your phone through PC Companion or SUS..
Sent from my LT26i using xda app-developers app

ZACQ8 said:
If I am on a Locked Bootloader and on a rooted custom ROM, will Sony PC Companion detect my phone when the next update comes??
Click to expand...
Click to collapse
I'm ok now, I'm on the latest firmware and everything works
Sent from my C6902 using xda premium

I'm good now, latest firmware and all perfect
Sent from my C6902 using xda premium

help me with process
thanwachai said:
Thanks anyway but I found the method and my phone now relocked bootloader
Click to expand...
Click to collapse
Cna you help me, how you go the relocking and stock-rom done?
thanks
Sumit

Reverting back to Stock
thanwachai said:
I'm good now, latest firmware and all perfect
Sent from my C6502 using xda premium
Click to expand...
Click to collapse
Do you still have the files? I'm looking to revert my C6602 (US) back to factory settings to I can allow PC companion to update the software.
(I'm looking to give the phone to someone, and they wont want to mess around with flashing and so on)

I'm using z1 stock rom lolipop
I tried in last two days king root its failed twice on version 4.1
then i found somewhere 4.0 with working root i tried and sucess!
then i installed titanium,greenify used phone for a day now want to backup drm for going to install custom reovery and custom roms !!!! what are my steps i failed during taking backup on drm keys..... what should i do i tried factory reset my phone now king user inside but phone is not rooted..... !!!!!!!!!!

[Q] Official Update 4.3 with ck/ub/root/cwm-twrp dual-boot

Hello community,
this is my first post here so i hope, i do it right
Please excuse my english, it is not perfect.
I have a xperia z with Android 4.2.2 (10.3.A.0.423) . The bootloader is unlocked, cwm/twrp dualboot is installed, also the doomlord customkernel v19 is in use, root-access is available.
Is it possible to update to official stock firmware 4.3 (10.4.1.B.0.101) using the PC-Companion without bricking my phone? Root-Access and cwm and so on would be lost as i assume. This would be ok for me.
I really would like to do it that way. I think, as an alternative, i could flash the 4.3 stock rom using cwm? Going this way, will my data and all settings be lost?
Updating via OTA is not a good idea i think.
Thanks for advise
Greetings
ShellingFord

Well, you cannot update via PC companion, Sony Update Service or OTA, as your bootloader is unlocked.
So, that leaves updating via Flashtool or flashing a prerooted rom from the development section.
The cleanest way would be via Flashtool, then simply flash a custom kernel again and root.
Sent from my C6603 using Tapatalk

And if im going to flash the stock-kernel which belongs my current firmware and then relock the bootloader?
If the bootloader is relocked, i can't flash a kernel or something else anymore right?
EDIT: If I decide to flash a rom will my data be lost or is it like im doing an normal update?
Is it possible to go back to stock with everything?
So much questions Sorry, I don't know that much, please help

Can anyone help?

Yes, if you relock the bootloader, you should be able to update via the normal methods (at least via PC companion, unsure about OTA). A locked bootloader means you cannot use custom kernels.
If you flash with Flashtool, you can choose not to wipe your data.
Sent from my C6603 using Tapatalk

kingvortex said:
Yes, if you relock the bootloader, you should be able to update via the normal methods (at least via PC companion, unsure about OTA). A locked bootloader means you cannot use custom kernels.
If you flash with Flashtool, you can choose not to wipe your data.
Click to expand...
Click to collapse
I assume, it would be the best to flash the original kernel before i lock the bootloader?
After relocking the bootloader and installing the update via PC-Companion, will the kernel be the "original" kernel and will cwm/twrp be still there or not?

Yes, flash a stock kernel before locking the bootloader. If you don't, you will soft brick your phone.
After updating, you will have a stock kernel and your custom recovery will be gone as well as root.
Sent from my C6603 using Tapatalk

Thanks for the help so far. :good: I will try it and keep you informed.

ShellingFord91 said:
Thanks for the help so far. :good: I will try it and keep you informed.
Click to expand...
Click to collapse
So everything worked fine. I relocked the bootloader via flashtool and installed the firmware using PC-Companion. My Xperia Z is now totally "stocked"
Thank you very much for your help

You're welcome. Glad to help.
Sent from my C6603 using Tapatalk

<SOLVED>[Q] TA backup with firmware 14.3.A.0.683 (Sony Xperia Z1 C6903)

Hi,
I'm trying to backup the TA on my Xperia Z1 (C6903) running the stock KitKat firmware (14.3.A.0.681). From what I understand though, you need root to backup the partition, but to get root, you need an unlocked boot loader. I've seen a few tools that roots without unlocking the boot loader, but I need to downgrade the firmware to at least Android 4.2.2. Downgrading requires an unlocked boot loader.
Are developers working on a root-and-unlock tool for 14.3.A.0.681? Is there already a tool out there?
Thanks in advanced. Sorry for my arrogance.

kentexcitebot said:
Hi,
I'm trying to backup the TA on my Xperia Z1 (C6903) running the stock KitKat firmware (14.3.A.0.681). From what I understand though, you need root to backup the partition, but to get root, you need an unlocked boot loader. I've seen a few tools that roots without unlocking the boot loader, but I need to downgrade the firmware to at least Android 4.2.2. Downgrading requires an unlocked boot loader.
Are developers working on a root-and-unlock tool for 14.3.A.0.681? Is there already a tool out there?
Thanks in advanced. Sorry for my arrogance.
Click to expand...
Click to collapse
You do not need an unlocked bootloader to get root and or to downgrade. Although yes, you would have to downgrade to 4.2 to get root. Just use flashtool to downgrade and pick a software to root

Ahki767 said:
You do not need an unlocked bootloader to get root and or to downgrade. Although yes, you would have to downgrade to 4.2 to get root. Just use flashtool to downgrade and pick a software to root
Click to expand...
Click to collapse
Cool
Just a couple more questions. Any suggested 4.2.2 and 4.4.2 firmwares to flash (if you can, link them here)? To root 4.2.2, do I simply click on the unlock icon shown in link?
i.imgur.com/VUs5Ele.png

kentexcitebot said:
Cool
Just a couple more questions. Any suggested 4.2.2 and 4.4.2 firmwares to flash (if you can, link them here)? To root 4.2.2, do I simply click on the unlock icon shown in link?
i.imgur.com/VUs5Ele.png
Click to expand...
Click to collapse
Just grab the ftf's for your device here and proceed to follow the guides

Ahki767 said:
Just grab the ftf's for your device here and proceed to follow the guides
Click to expand...
Click to collapse
I've used vroot 1.7.3 english and everything installed fine. However, when I installed the Root Checker app from Google play it reads "Sorry, this device isn't properly rooted."
Here's what I did / planning, in order:
1) Downloaded C6903 14.3.A.0.681 Global 1277-2880_R5C
2) Downloaded 14.1.G.1.534 downgrade FTF [NUT]
3)Pasted the 2 FTFs in the Firmware Folder under Flashtool
4)Flashed 14.1.G.1.534 downgrade FTF [NUT] using Flashtool from Androxyde (latest version)
5)Installed vroot English (1.7.3)
6)Clicked on the Root button. Phones reboots twice
7)After phone first start I was greeted with an error message from "Kingsapp".
8)Installed Root Checker from Google Play
9a)"Not properly rooted" <-- I'm right here
9b)If "root successful", proceed to flash C6903 14.3.A.0.681 Global 1277-2880_R5C
I did some research and people are pointing everywhere, vroot, bin4ry's rooting method, 360 (can't install).
Did I lose my TA partition? My X-Reality goodies?
What am I doing wrong?

kentexcitebot said:
I've used vroot 1.7.3 english and everything installed fine. However, when I installed the Root Checker app from Google play it reads "Sorry, this device isn't properly rooted."
I did some research and people are pointing everywhere, vroot, bin4ry's rooting method, 360 (can't install).
Did I lose my TA partition? My X-Reality goodies?
What am I doing wrong?
Click to expand...
Click to collapse
Okay so now you are still on .534 firmware right? Do you have usb debugging on?
And also try rooting with bin4ry if vroot doesn't work for you.
Don't worry, you won't lose x-reality unless you've unlocked your bootloader

Ahki767 said:
Okay so now you are still on .534 firmware right? Do you have usb debugging on?
And also try rooting with bin4ry if vroot doesn't work for you.
Don't worry, you won't lose x-reality unless you've unlocked your bootloader
Click to expand...
Click to collapse
"Su upgrade failed. Missing root permission"
Yes, I'm on the .534 firmware. USB Debug turned on.
I'll try bin4ry's root now.
Once I'm through TA backup, I just need to flash 14.3.A.0.681 Global 1277-2880_R5C?

kentexcitebot said:
"Su upgrade failed. Missing root permission"
Yes, I'm on the .534 firmware. USB Debug turned on.
I'll try bin4ry's root now.
Once I'm through TA backup, I just need to flash 14.3.A.0.681 Global 1277-2880_R5C?
Click to expand...
Click to collapse
If you still can't get root, try using nuts z1-lockdualrecovery installer and after flash nuts .681

Ahki767 said:
If you still can't get root, try using nuts z1-lockdualrecovery installer and after flash nuts .681
Click to expand...
Click to collapse
I was able to root and deodex the Kitkat rom. Xreality and other goodies working just fine.
Thanks so much Thread Solved.
+1

[Q] Custom Recovery & OTA

Hello to the great people at xda..
Sorry for being a noob about it but i have certain questions about my c6902. First off my Z1 is rooted with the build number .157 with the stock os and the stock recovery. As of now i have been getting all OTAs without a problem. However, i would like to know what would happen if i install a custom recovery. Will it stop the OTAs? If yes, then which OTAs will it stop? Will it stop just the system OTAs or the application OTAs as well like walkman album etc.? Or will i just be able to see the available updates but would never be able to install them? And how can i revert back to the stock recovery? Would it make everything just as the way it was before with no strings attached? Sorry again for such a basic though as i couldn't find an answer anywhere else. Thanks a ton!

ronnie141 said:
Hello to the great people at xda..
Sorry for being a noob about it but i have certain questions about my c6902. First off my Z1 is rooted with the build number .157 with the stock os and the stock recovery. As of now i have been getting all OTAs without a problem. However, i would like to know what would happen if i install a custom recovery. Will it stop the OTAs? If yes, then which OTAs will it stop? Will it stop just the system OTAs or the application OTAs as well like walkman album etc.? Or will i just be able to see the available updates but would never be able to install them? And how can i revert back to the stock recovery? Would it make everything just as the way it was before with no strings attached? Sorry again for such a basic though as i couldn't find an answer anywhere else. Thanks a ton!
Click to expand...
Click to collapse
if your bootloader stays locked, you CAN recieve OTA updates, but if you rooted with towelroot (i expect that because your an .157, like me ) you wont be able to apply system OTA updates cause they can not be verified. but OTA updates for Walkman or other apps will work.
Only the system updates are broken with the towelroot method. but of course you can install a custom recovery to revert to stock recovery, just flash the ftf with flashtool again and you have your stock recovery back (but make shure to untick the wipe boxes in flashtool

mo120697 said:
if your bootloader stays locked, you CAN recieve OTA updates, but if you rooted with towelroot (i expect that because your an .157, like me ) you wont be able to apply system OTA updates cause they can not be verified. but OTA updates for Walkman or other apps will work.
Only the system updates are broken with the towelroot method. but of course you can install a custom recovery to revert to stock recovery, just flash the ftf with flashtool again and you have your stock recovery back (but make shure to untick the wipe boxes in flashtool
Click to expand...
Click to collapse
Thanks a lot for the info . So I get what you're saying and 'tis true that I'm rooted with towel root. So that means that I won't be able to install system OTAs and that's ok. Also you already have been very helpful but would you be kind enough to please send me a link for the stock recovery's ftf? Have you successfully tried doing the same on 157?

ronnie141 said:
Thanks a lot for the info . So I get what you're saying and 'tis true that I'm rooted with towel root. So that means that I won't be able to install system OTAs and that's ok. Also you already have been very helpful but would you be kind enough to please send me a link for the stock recovery's ftf? Have you successfully tried doing the same on 157?
Click to expand...
Click to collapse
There isnt a "recovery ftf", you have to flash the whole ftf all over it again and than you have stock recovery back
and yes i did the same on .157, i flashed this Baltic version: https://drive.google.com/file/d/0B_d8uWGbkaetRjFOYkZib0Z1Y1k/view?usp=sharing the baltic version works fine for me too, im from germany but i guess it should work (at least for european users) if you are not from europe, just flash .108 or .133 and update and root

mo120697 said:
There isnt a "recovery ftf", you have to flash the whole ftf all over it again and than you have stock recovery back
and yes i did the same on .157, i flashed this Baltic version: https://drive.google.com/file/d/0B_d8uWGbkaetRjFOYkZib0Z1Y1k/view?usp=sharing the baltic version works fine for me too, im from germany but i guess it should work (at least for european users) if you are not from europe, just flash .108 or .133 and update and root
Click to expand...
Click to collapse
Ok.. But what if I do a full system repair using the pc companion? Would it do the same thing? Also, would pc companion have any problems detecting or repairing the phone with the custom recovery installed?

ronnie141 said:
Ok.. But what if I do a full system repair using the pc companion? Would it do the same thing? Also, would pc companion have any problems detecting or repairing the phone with the custom recovery installed?
Click to expand...
Click to collapse
Pc companion works too, but the system repair from pc -c will wipe your data! So all your data is lost.
With flashtool youcan decide if you want to keep your data or to do to a wipe

mo120697 said:
Pc companion works too, but the system repair from pc -c will wipe your data! So all your data is lost.
With flashtool youcan decide if you want to keep your data or to do to a wipe
Click to expand...
Click to collapse
Oh thank-you so so much. You have been a great help

[Q] Unable to upgrade from 4.2.2

Long story short, sent my phone away for warranty repair and it came back with 4.2.2 flashed on it. Never rooted it or modded it in any way. I wanted to update it back to 4.3 and from there eventually back to 5.1, however, the phone says that it's up to date - same thing with PC Companion. Tried to repair it via PCC and I also did a factory reset on it, both to no avail.
Is there any way to force the OTA update(unless I have to wait for X days) or is rooting and flashing the only way out of this? C6093, build 14.1.G.1.534, cust. no. 1276-1193.
Thanks in advance.

u_wot_m8 said:
Long story short, sent my phone away for warranty repair and it came back with 4.2.2 flashed on it. Never rooted it or modded it in any way. I wanted to update it back to 4.3 and from there eventually back to 5.1, however, the phone says that it's up to date - same thing with PC Companion. Tried to repair it via PCC and I also did a factory reset on it, both to no avail.
Is there any way to force the OTA update(unless I have to wait for X days) or is rooting and flashing the only way out of this? C6093, build 14.1.G.1.534, cust. no. 1276-1193.
Thanks in advance.
Click to expand...
Click to collapse
I am on mobile at the moment and hope
my search went correct. then you are on a branded swedish firmware from tele2.
Where are you from and what firmware was on your phone before you gave it to repair?
You can flash any firmware you want with the help of flash tool app.

motorazrv3 said:
I am on mobile at the moment and hope
my search went correct. then you are on a branded swedish firmware from tele2.
Where are you from and what firmware was on your phone before you gave it to repair?
You can flash any firmware you want with the help of flash tool app.
Click to expand...
Click to collapse
Thanks for the flashtool tip, I unlocked the bootloader and used Sony's Emma flashtool to flash it back to 5.1.1.
Thanks again!

u_wot_m8 said:
Thanks for the flashtool tip, I unlocked the bootloader and used Sony's Emma flashtool to flash it back to 5.1.1.
Thanks again!
Click to expand...
Click to collapse
You didn't have to unlock your bootloader to flash a firmware to your phone!
Did you backup your ta partition because unlocking your bootloader means you will loose your DRM keys?