Sony Ericsson Xperia Unlocking Guide - X10 Permanent Unlock

Xperia X10, X10i, X10a, Docomo SO-01B, X10 Mini, X10 Mini Pro, X8, W8 Instant Unlock

Latest Client: V50.06

Supported Phones

X10 arc/play/neo Credits

  • SE X10 Arc S - LT18i
  • SE Xperia Pro - MK16a
  • SE MT11i
  • SE MT15i
  • SE Xperia Mini Pro - SE SK17i
  • SE Xperia Play - SE R800
  • SE Xperia Arc - SE SO-01C
  • SE Xperia Arco - SE SO-02C
  • SE Xperia Ray - SE SO-03C
  • SE Xperia Min - SE ST15i
  • SE Xperia Active - SE ST17i
  • SE Xperia Ray - SE ST18i

X10 mini/pro/x8 Credits

  • Xperia X10 Mini - E10i
  • Xperia X10 Mini Pro - U20
  • Xperia X8 - E15i
  • Xperia W8 - E16 - E16i

X10 Credits

  • Xperia X10
  • Xperia X10i
  • Xperia X10a
  • Docomo SO-01B

Required Operating Systems

  • Windows XP
  • Windows Vista 32 bit
  • Windows Vista 64 bit
  • Windows 7 32 bit
  • Windows 7 64 bit
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Warning!
Please make sure SIM card is removed from the phone
Please make sure SD card is inserted in the phone before unlock !!!!!!!!

Multi Unlocking Client

Latest Client Version: 63.00 (11-06-2012)
Download Count: 551568
Download Latest Client Install 63.00
Sony Ericsson Xperia Unlock Client
Hot Update 28 Nov 2011
  1. Check phone info feature updated:
    Use CHECK PHONE to detect phone and android software version and auto setup correct settings on software.
  2. New unlock added for new cpu on x10 mini /pro and x8 afterweek 37/11 (week 1/39 supported on x8)
  3. Bootloader unlock added for all models.:
    After the unlock the phone will now accept any Custom Kernelfrom XDA etc for features such as MultiTouch etc
  4. Write Data error fixed

Please note:
Phone sim card must be REMOVED and SD card INSERTED before unlock. If you do not follow the correct procedure we are not responsible for any dead phones.

Please make sure:

  • Warning!
    Please make sure SIM card is removed from the phone
    Please make sure SD card is inserted in the phone before unlock !!!!!!!!
  • Your Xperia is not running ANDROID V1.6 (if it is please update your phone before unlocking, do not attempt to unlock V1.6)
  • Your Xperia is running Android 2.1 (as of yet Andorid 2.3 is unreleased, so no way to include)
  • You have a Standard non modified Kernal on your phone (you have not flashed custom firmware to your X10)
  • You must have internet connection

Supported Operating Systems

  • Windows XP
  • Windows Vista 32 bit
  • Windows Vista 64 bit
  • Windows 7 32 bit
  • Windows 7 64 bit

Please note there is no MAC OS client or support, or support for running a virtual / parallel machine to use this software.

Toruble Shooting

Error Invalid file:
Possible causes:

1. On Vista or Windows 7 32/64 byte OS, client must be run as administrator (right click on shortcut, select "run as administrator")
2. Firewall or Antivirus is deleting files in the “loaders” folder. Uninstall software turn off antivirus and reinstall.

Phone shows no service after unlock:

1. Remove Battery and wait 1 minute. Insert Battery and power on phone.

Software hangs while unlocking or detecting ADB device

Antivirus has deleted important files. Uninstall software.Turn off Antivirus .Download and install software again


FAQ - Frequently Asked Questions & Answers

Q - Are the Xperia x10 mini Pro & Xperia Mini Pro the same
A - No, the Xperia Mini Pro is a newer Phone, if you are unsure please check the label under the battery, the X10 mini and X10 Mini Pro are both supported (u20 & u20i)

Q - Can I use my existing X10 credits to unlock X10 mini/pro/x8/w8
A - No these require different credits

Q - Is it a permanent unlock
A - Yes

Q - My X10 unlock counter is blocked (from entering an incorrect unlock code too many times)
A - No problem, your X10 can still be unlocked.

Q - If I flash the phone, the phone will get relocked ?
A - No it's a permanent unlock, not a stupid "patch" unlock solution

STEP 1: Driver Installation
Before you can unlock your phone you must install SEMC flash drivers & ADB drivers, this sounds complicated, but is in fact a very simple process.

Make sure you have installed the Multi Unlock Client,then follow this procedure (see the video for further guidance)

  1. Go to START > ALL PROGRAMS > MULTI UNLOCK CLIENT > X10 DRIVERS
  2. Select the correct 32 bit or 64 bit shortcut folder for your Operating System
  3. First run "SEMC Flash Driver Install"
  4. Complete the install wizard that appears
  5. Second run "ADB Driver Install"
  6. Complete the install wizard that appears
  7. Next we need to connect the X10 in Flash Mode (some times called boot mode)
  8. Remove the battery for 10 seconds and replace
  9. With the phone still powered off, Press & HOLD the "Back Button"
  10. Still holding the Back Button connect the USB cable
  11. Windows will now detect the new hardware and automatically install the drivers.
  12. Once complete, remove the USB cable from the phone and power the phone on.
  13. Next we will connect the phone with "USB Debugging" Enabled
  14. On the phone go to "Settings"
  15. Next go to "Applications"
  16. Next go to "Development"
  17. Now enable "USB Debugging"
  18. Click "OK" to confirm enabling of USB Debugging
  19. Now connect the USB cable
  20. Windows will now detect the new hardware and automatically install the drivers.
  21. Once complete you can proceed to unlock your X10

Note: if when connecting your Xperia phone in Debugging Mode, windows states it did not find the required drivers, please open device manager (Right Click on "My Computer" and select "Properties", then select "Hardware > Device Manger") you will see a yellow asterisk against the "SDB Device", Right Click and select "Update Driver", from the nest set of options select "I have Drivers Browse to location", then Browse to C:\Program Files (x86)\Multi Unlock Client\adb on WIN Vista/ Windows 7 or C:\Program Files\Multi Unlock Client\adb on Windows XP, then click Next. Windows will install the drivers.

Watch X10 Driver Install Video Guide

Please note the video is demonstrating on an X10 phone, but the process is the same for all supported Xperia Models

STEP 2: Unlocking your Xperia Mobile Phone
Please follow this 1 step at a time.

First you must open the unlock client and enter your USERNAME and PASSWORD

  1. Go to START > ALL PROGRAMS > MULTI UNLOCK CLIENT
  2. If you are using WINDOWS VISTA or WINDOWS 7 right click on "Unlock Client" the software and select "Run as administrator"
  3. Windows XP, double click "Unlock Client"
  4. Under the settings tab, Enter your LOGIN/USER NAME and your PASSWORD
  5. Click "Save Login Data"

Now we can proceed to Unlocking the X10

  1. Now click on the "SE" tab of the software
  2. Warning!
    Please make sure SIM card is removed from the phone
    Please make sure SD card is inserted in the phone before unlock !!!!!!!!
  3. Make sure that your phone is running a later version of ANDROID that 1.6 (tick the box to confirm on the Unlock Client) or ....
  4. If you are unsure if your phone is running v2.1 or later, then connect the phone in USB Debugging Mode & click "Check Phone"
  5. Ok, we now know we are running ANDROID 2.1 or above (if you are not then please upgrade your phone and start again)
  6. Remove your phones battery for 10 seconds and replace
  7. Press and HOLD the phones back button
  8. While still holding the phones back button connect the USB cable.
  9. The unlock client will now start the unlock process
  10. When prompted by the UNLOCK CLIENT, remove the USB cable and power on the phone.
  11. Make sure the phone is in USB Debugging Mode and connect the USB Cable again
  12. The UNLOCK CLIENT will now complete the unlock

Watch X10i Unlock Video Guide

Please not the Video shows the process for the X10, but the process is the same for all Xperia Models (the X10 mini/pro/x8/w8 will reboot twice not once as shown in the video, please pay attention to the instructions given by the software during the unlock)

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