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[GUIDE] How to root 14.1.B.2.257 using OTA

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By herogjan, Senior Member on 28th October 2013, 09:40 PM
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Finaly after a lot of trail and error I succeeded to keep root.

All the info in my post is scattered trough this forum, I'm only putting it in one place. All the credits and thanks to the guys who made this possible.

ONLY ON STOCK NO MODIFIED KERNEL OR RECOVERY

Use flashtool to flash 14.1.B.1.532,

Code:
repository by hamdogg:
 http://forum.xda-developers.com/show....php?t=2453921

Flashtool download and guide by krabappel 2548:
 http://forum.xda-developers.com/show....php?t=2428319
Use vroot to root the 14.1.B.1.532 firmware

Code:
vroot download and guide by bASKOU:
http://forum.xda-developers.com/show...32&postcount=3
Set supersu to survive OTA

Code:
Install Voodoo OTA RootKeeper: 
https://play.google.com/store/apps/d....otarootkeeper
Backup "su" with Voodoo OTA RootKeeper

Update the build.prop with German CDA Code

German CDA code: C6833_1275-8026

ALSO CHANGE "ro.somc.customerid" SET IT TO 436

ALSO CHANGE "ro.semc.version.cust_revision=" SET IT TO R11A

Reboot your device

Check voodoo if backup is still present

If present, go to software update to install OTA.

When followed this step by step you're on the new firmware with root.

And as usual, everything at your own risk.
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28th October 2013, 10:24 PM |#2  
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Thanks. It's nice with a complete rooting tutorial with links in one place One question though; do we lose everything when we're downgrading to .532?
28th October 2013, 10:38 PM |#3  
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i don't get it why do i need to change my cda to install OTA when i receive for my own cda country.
28th October 2013, 10:43 PM |#4  
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Quote:
Originally Posted by LordManhattan

Thanks. It's nice with a complete rooting tutorial with links in one place One question though; do we lose everything when we're downgrading to .532?

Yes,

My documents and photos are on a sdcard, with some back up of apps. When google acount is created all apps are downloaded automatically, so i don't bother loosing...
28th October 2013, 10:49 PM |#5  
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Quote:
Originally Posted by hykhleif

i don't get it why do i need to change my cda to install OTA when i receive for my own cda country.

Off course you can use in this case your own CDA.

(I tried to write it in such a way that somebody with minor knowledge is able to do this faultless.)
28th October 2013, 10:50 PM |#6  
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Quote:
Originally Posted by hykhleif

i don't get it why do i need to change my cda to install OTA when i receive for my own cda country.

Well, it's clearly not necessary to change your CDA if you've already received the OTA.

Quote:
Originally Posted by herogjan

Yes,

My documents and photos are on a sdcard, with some back up of apps. When google acount is created all apps are downloaded automatically, so i don't bother loosing...

Alright. I don't care if i lose stuff. I got it all "up in the cloud", so no biggie.
28th October 2013, 11:59 PM |#7  
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Alright, all i have left is to update to 257 again, but i only have 33% battery left and it's not possible to do it unless i have at least 50%. Just typical Everything else went smooth, and i didn't have any issues

Edit: I'm done updating, and i got root

Edit 2: Hah! I tried using Sony's own backup app before downgrading and everything, feeling that the backup wouldn't be there after the full wipe, but it is indeed there and i have some game saves and stuff there! Awesome!
29th October 2013, 02:25 AM |#8  
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Germany is using C6833. Is it compatible with C6802?
Noob question: can I flash the C6833 FTF ver 532 on my C6802? I can not find the FTF for 532 Vietnam version, the 510 VN got bootloop and the Generic TW have many Chinese software that I don't like
29th October 2013, 03:14 PM |#9  
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Quote:
Originally Posted by maquan

Germany is using C6833. Is it compatible with C6802?
Noob question: can I flash the C6833 FTF ver 532 on my C6802? I can not find the FTF for 532 Vietnam version, the 510 VN got bootloop and the Generic TW have many Chinese software that I don't like

I don't know, I've C6833. Be adventurous When it's not working correctly you can always flash back. In the generic TW version you can always delete the chinese software, one of the pros of root
29th October 2013, 03:20 PM |#10  
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Can voodoo keep root after update with Desktop PC Companion?
Because, my phone "Update Center" say "Computer required" to update to 2.257.
Thanks.
29th October 2013, 03:31 PM |#11  
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Quote:
Originally Posted by Johnnynho

Can voodoo keep root after update with Desktop PC Companion?
Because, my phone "Update Center" say "Computer required" to update to 2.257.
Thanks.

No.
Its called OTA root keeper for a reason...
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