Debrand your Xperia Z [Tutorial]

by XB on 1st April 2013

in Featured Content, Firmware, Tips & Tricks, Xperia Z and Xperia ZL

Xperia Z DebrandThe following guide will help new Sony Xperia Z users to debrand handsets to generic unbranded firmware. The advantage of doing so is likely to mean faster firmware updates given that carrier customised firmware normally adds unnecessary bloat.

The process of flashing the handset via Flashtool (courtesy of xda-developers) hasn’t changed for a long time, however whilst the process is likely to be familiar to many regular readers, the guide will hopefully help those new to Sony Xperia smartphones. The instructions should be self-explanatory, although if you do have any questions let us know in the comments below.

Guide to Debranding your Xperia Z

Disclaimer: Please read the following instructions thoroughly before attempting to flash your phone. Xperia Blog absolves itself from any responsibility should something go wrong. Please proceed with caution and at your own risk.

Note: This tutorial does not require you to root your handset nor does it require you to unlock your bootloader. FLASHING YOUR HANDSET DOES NOT VOID YOUR WARRANTY.


1) Download and install Flashtool on your PC from here (Linux / Mac).

2) Enable ‘USB debugging’ on your handset: Settings > Developer options

3) Enable ‘Unknown sources’ on your handset: Settings > Security


1) Install drivers for your Xperia handset
The very first step is to make sure that your PC has all of the necessary drivers installed for your Sony Xperia. The best way to do this is to install PC Companion or Sony Update Service (SUS).

Make sure you connect your Xperia to the PC before starting the process to download the necessary USB and ADB drivers. If you have any problems you will find the necessary drivers once you have installed Flashtool in the following location: ‘C:\Flashtool\drivers’.

2) Download the firmware

Download one of the following:
[C6603] Generic Nordic 10.1.A.1.434
[C6603] Generic UK 10.1.A.1.350

If you can source a different FTF for your region, you can use that instead of the above files. However, the above files will work on any Xperia Z (C6603) handset and provide numerous language options.

3) Place firmware in correct location on your PC
Place the FTF file in the C:\Flashtool\firmwares folder.

4) Launch Flashtool
Open the Flashtool application on your PC.

Debrand your Xperia Z

Click on the lightning bolt symbol. Select Flashmode and click OK.

Debrand your Xperia Z

5) Select firmware
Select the firmware that you have downloaded in the left column. If you do not want to do a clean install ensure ‘Data’ is not ticked. Press the ‘Flash’ button.

Debrand your Xperia Z

Note: For the Xperia Z, internal storage and data storage are in the same partition. Therefore wiping data will erase everything including media. As a precaution, we recommend backing up all content.

6) Connect your Xperia to the PC

Once you press the Flash button, you will see that Flashtool is ‘Preparing files for flashing’.

Debrand your Xperia Z

When you see the prompt below you need to connect your Xperia handset to the PC. Turn your phone off. Press and hold the volume down button while plugging the USB cable into your Xperia.

Debrand your Xperia Z

7) Flashing process will start
The flashing process should now start.

Debrand your Xperia Z

Once you see the “Flashing finished” message in Flashtool, remove your handset from the PC and restart it (this may take a few minutes so don’t panic).

Debrand your Xperia Z

8 ) Your Xperia Z should now be updated
Congratulations, your Sony Xperia Z should now be running debranded firmware!

[We use MediaFire to provide fast download links to our readers. To join MediaFire, the free file sharing platform, you can use our referral link HERE. It will provide us with 1GB of extra storage. This will help us to have ample storage to continue providing relevant future download links to our readers.]

  • jelly bean for xperia s … when ?

  • DragonClaw

    How would anyone other than Sony know? Wait. Just wait patiently. It will come soon.

    Mean while order some Animalia products from Sony. :P

  • Thiago

    You’ve got to be kidding. STOP with “where is the JB for XS?” Sony DOES NOT read the blog. Stop with that annoying complaint

  • You’ve got to be kidding. STOP with “where is the JB for XS?” Sony DOES NOT read the blog. Stop with that annoying complaint

  • aira martinez

    I have sony Xperia Z, but the camera resolution is up to 12mp only. Other than that every feature is really good. am i using a authentic Xperia Z?

  • 12 MP only when superior auto and HDR is enabled

  • can it works with C6602 model? since xperia z in indonesia only C6602

  • SonyFan

    You’re on Superrior Mode right? Go to Normal Mode and select 13MP…if it is still 12Mp… Then put HDR off

  • aira martinez

    Big Thanks for the help. :) i’ved been thinking about it for almost 9 days since i got my Xperia Z. :) thanks again. ^_^ Take Care.

  • aira martinez

    Thanks. ^_^

  • Mung

    I bought the phone SIM free but am on 02 (uk). Would I still have to wait for their bloatware or is it effectively debranded?

  • Hannad Ahmed

    Key lime pie for xperia z … when ?

  • XperiaBlog

    It will already be debranded so no need for this!

  • XperiaBlog

    If you can find the appropriate C6602 firmware then use that with the steps in the tutorial. XDA-Developers is a good place to start.

  • Sam

    Q1 2014

  • AsadMulla

    Funny. Made me laugh

  • Mung

    Great, thanks for that.

  • Does the phone have to be sim unlocked?

  • Newbie here, can someone explain why would I want to ‘Debrand’ my Xperia Z?

  • Dime


  • Dime

    The problem is that the topic isn’t about that I’m also waiting for the update and I’ll wait …when it will be released than i’m going to judge about changing the company Sony to HTC or Samsung or stay close with Sony as somone writing that with this update we will get special futures with vanila project:)

  • ill tell sony on you debranders – maybe i’ll ge a snitching fee

  • XperiaBlog

    Not at all. It will work with any handset.

  • ZeroCools

    Doesn’t matter if you swap to HTC or Samsung or LG, they all have devices where they either slowly update it due to carrier bloatware, mostly in the U.S, or just stopped updating the device. If you really want updates swap to Nexus, buy a new phone, flash custom roms from other people, and or wait.

  • Diego Agudelo

    Thanks for this! I’ll buy a Z next week and I was waiting for something like this. Coming from a S3, we didn’t have to worry for bl or flashtool…. Kinda noob with this tools.

    Do I have to unlock bootloader for this? Do i need root?

    Thanks in advance.

  • From reading the posts here, ‘Debrand’ seems to mean to SIM-unlock the phone. Please confirm, anyone.

  • Pingback: Sony Xperia Z, cómo eliminar la personalización de los operadores | Noticias de Internet()

  • shadow23

    You can actually use any unbranded ROM to flash your branded XZ

  • Pingback: Sony Xperia Z, cómo eliminar la personalización de los operadores – TeleTecho - Smartphones, Gadgets, Tablets, y demás noticias()

  • thank you :)

  • vortex0307

    Duh! Its doesn’t being release yet!

  • key lime pie for galaxy s 4 .. when?

  • thenu can get the hone as it waswhen it came from sonybefore the carier branded it. when they brandthe phone they minimize itscapabilities, debranding can undo this process,however , i thinku lose waranty

  • XperiaBlog

    No it does not mean sim-unlocking. It simply relates to replacing carrier-optimised firmware with generic unbranded firmware. It will not remove sim lock.

  • XperiaBlog

    No to both – it’s in the tutorial!

  • so how do i know my xperia z is branded? got it with a t-mobile contract, but not using the sim that came with the contract. And as far as i can see there’s not a single t-mobile app installed on my xperia z. I got the xperia and my brother the contract and uses the t-mobile sim on another phone

  • Lusoelay

    So Thank You!!!!!!!!!!!!!!!

  • CW Chow

    honeycomb for xperia x10… when?

  • XperiaBlog

    Did you buy your Xperia Z directly from T-Mobile? If so, it is likely to be running T-Mobile firmware.

  • Where would I save the FTF to if I’m using a Mac? Thanks

  • Found it .

  • ishy

    Speaker on xperia z is too low? Especially after taking it out of water? Any one else having this problem? Any suggestions on how to increase volume? Thanks.

  • i bought it online through a webshop, but they had 2 Xperia Z black versions T-mobile branded and unbranded. They told me i would get the T-Mobile branded, but there’s no bloatware on it, nothing that points to it,it is a branded version. And already updated to the new firmware version through Sony. Maybe they sent me the unbranded version. The invoice does state T-mobile branded Sony Xperia Z though

  • does any have a link to the C6603_Generic_Uk_No_Branding.ftf file so i can download it for free

  • Brad

    I tried flashing the Generic UK firmware to my Docomo SO-E2 but I keep getting a “No loader found for this device” error. Any ideas what may be causing that?

  • Does running a debranded firmware update on a xperia z stop possible future over the air updates from coming through??

  • Gonzo

    if the phone is sim locked does it remove sim lock ?

  • Iwanova

    key lime pie for iPhone 10 … when ? :(

  • 1 issue. It says to press the back button while plugging the usb cable in. The xperia z doesn’t have a back button to press

  • its ok i read the volume down button

  • It isn’t installing the drivers to my computer. Anyone else have this issue

  • metrophobe

    in all my ignorance does this procedure screw the bravia engine and DRM keys or does everything still work properly?

  • Metrophobe

    any reason why my old comment was removed? please? I just asked a straightforward question. Does the bravia engine get screwed when using this method ? Also do the DRM keys get lost when using this flashing method? Or does everything still work correctly? Sorry for re-asking but am really wondering what this bootloader unlocking does tbh.

  • Metrophobe

    you got to be kidding right ? I’d stitch your ass if you do.

  • Care to share? Wondering the same…

  • minty075

    Shame the link for the C6603_Generic_Uk_No_Branding.ftf file doesnt work unless you wonna pay for premium services…. unlike the generic nordic file which is free.
    Anyone know a working free download link for the uk c6603 file??

  • minty075
  • Nard

    What if I use an unbranded stock rom for a different country, for example the AUS one found here: will the effects still be the same? What are the differences between the AUS stock and the UK stock?

  • I have xperia with 3 UK carrier. after debrand i can use any sim in my xperia?

  • Mikey

    Works Perfect !!

  • gavin1492

    will it work for sony xperia z c6602

  • Yasir Fawad

    Absolutely perfect.

  • nidou bossy

    nope it doesn’t

    simlock is another thing! and has nothing to do with flashing/debrading

  • rutvij

    Settings > Developer options, in my xperia Z developer option is not there..

    plz help me to connect my internal storage with pc with usb cable

  • dave

    Hi why since. I did the above, does it show someone else’s number when I go into settings, about phone then status?? Thanks

  • Pingback: Debrand your Xperia Z [Tutorial] | Xperia Blog - smartphone-hattan()

  • Ahmad Syahruddien Jimmy Monove

    Why if my xperia z c6603 has brick and can’t being to flash mode..??

  • shayan

    hi my phone stuck on sony logo and when i connected to pc for flash mode shown error your usb not recognized what should i do?

  • phonefreak

    Does it say tmobile on the back if not i would say they sent you the debranded unlocked version.

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