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Official FTF Mega collection -> http://forum.xda-developers.com/show....php?t=2469191
Xperia basics: http://forum.xda-developers.com/show....php?t=2440565

Pre requisites:
1. FlashTool http://www.flashtool.net/download.php
2. Working Adb


ETA: 1-2 hours

Step 1. Download 14.1.G.1.534 C6902 IN FTF and flash with Flash Tool (this erases internal storage)

Step 2. Enable USB debugging, enable Unknown sources in settings.
Mod edit -Vroot collects your IMEI for no known reason, use it at your own risk
Use Vroot or root360 to root (both are chinese tools) http://singgihjohary.wordpress.com/2...534-and-later/

Step 3. Install SuperSU from play store and run it.


Step 4. Install DualRecovery using windows installer (bat file) http://forum.xda-developers.com/show....php?t=2261606

Step 5 and 6: http://forum.xda-developers.com/show....php?t=2687443
Step 5. Flash 4.4 Zip through TWRP (dont reboot, just power off) http://nut.xperia-files.com/?dlid=Qz...AudG9ycmVudA==

Step 6. While in power off state, enter flashmode (Volume down as you plug in power cable) and flash FTF stripped via flashtool
http://nut.xperia-files.com/?dlid=Qz...lwcGVkLmZ0Zg==

Need more pointers? Checkout my Detailed and Full Xperia Z1 4.4.2 Guide
Last edited by wedgess; 27th March 2014 at 08:28 PM. Reason: added warning about Vroot
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27th March 2014, 08:36 AM |#2  
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@taranfx you can skip the vroot part in your guide, you can install XZDualRecovery on the unrooted .534 rom. Saves a step prior to updating
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27th March 2014, 09:30 AM |#3  
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Thank you so much for the guide! I never rooted an Xperia before (4 years with samsung so all I know is Odin :P), and this will help me a lot!
27th March 2014, 11:00 AM |#4  
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Quote:
Originally Posted by [NUT]

@taranfx you can skip the vroot part in your guide, you can install XZDualRecovery on the unrooted .534 rom. Saves a step prior to updating

thats a problematic point NUT, i've tried that yestarday... flashed the recovery just fine, restarted into TWRP, then i restarted system and asked him to install supersu.

but when i was back into sony rom it sais i need to download supersu from the playstore, and since flashing .534 ruins the 3g reception i couldn't without wifi around...

luckly you don't actually need root to update to 4.4, you just need TWRP working so you can flash the flashable file.
27th March 2014, 12:08 PM |#5  
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Thanks will do this when I have time, tired of Google's stupid restrictions on the SD card

Sent from my Xperia Z1
27th March 2014, 04:01 PM |#6  
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Question Adb?
Hi,

I have just looked at the instructions on http://geeknizer.com/root-upgrade-to...-on-xperia-z1/

and noticed this - 4.Working Adb

What is this and how do I enable it? I am running Windows 8.1. Do I have to install anything?

I just tried running the bat file for the dual recovery (just to see what would happen - no phone connected) and got this -

'adb' is not recognized as an internal or external command,
operable program or batch file.


Any help will be appreciated!

Regards,

Alan
27th March 2014, 04:05 PM |#7  
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Quote:
Originally Posted by nalab1

Hi,

I have just looked at the instructions on http://geeknizer.com/root-upgrade-to...-on-xperia-z1/

and noticed this - 4.Working Adb

What is this and how do I enable it? I am running Windows 8.1. Do I have to install anything?

I just tried running the bat file for the dual recovery (just to see what would happen - no phone connected) and got this -

'adb' is not recognized as an internal or external command,
operable program or batch file.


Any help will be appreciated!

Regards,

Alan

Download and install this

http://d-h.st/zwu

run the command window from that directory
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27th March 2014, 04:32 PM |#8  
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Question
Quote:
Originally Posted by gregbradley

Download and install this

http://d-h.st/zwu

run the command window from that directory

Hi gregbradley,

Thank-you. Sorry for the noob questions but I want to get this right! (I am currently on .681) so to get a rooted version of 681 I have to -
Flash .534
Root it using vroot or Rot360
Install SuperSU (from market)
Install DualRecovery
Install NUTs rooted .290 (or .136) (or can I go straight to .681?)
Install NUTs rooted .681

Is this correct?

Regards,

Alan
27th March 2014, 05:07 PM |#9  
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Quote:
Originally Posted by nalab1

Hi gregbradley,

Thank-you. Sorry for the noob questions but I want to get this right! (I am currently on .681) so to get a rooted version of 681 I have to -
Flash .534
Root it using vroot or Rot360
Install SuperSU (from market)
Install DualRecovery
Install NUTs rooted .290 (or .136) (or can I go straight to .681?)
Install NUTs rooted .681

Is this correct?

Regards,

Alan

Not quite

Flash a 534 FTF
Install dualrecovery
Flash chainfires SuperSU from here http://download.chainfire.eu/282/SuperSU/
update to 681
Last edited by gregbradley; 27th March 2014 at 06:57 PM.
27th March 2014, 05:24 PM |#10  
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How about for C6903?
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4.4.2, c6902, c6903, xperia z1
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