Unlock Sony Ericsson Xperia X8 bootloader


  • Install PC Companion as driver
  • Rooted Sony Xperia x8
  • Download S1Tool
  • Download msm7227
  • Flashtool

Unlock Bootloader Sony Ericsson xperia X8

  1. Turn off the device
  2. Run S1tool.exe
  3. choose Do Job
  4. Press and hold Back Button then connect Xperia x8 to PC/Laptop
  5. Look at S1tool output Logs, under the Serial Number
    • SEMC SIMLOCK CERTIFICATE – let`s continue with next steps
    • NOT RECOGNIZED SIMLOCK CERTIFICATE – let`s stop here, it`s to risk to continue
  6. Remove Xperia from PC and turn it on.
  7. go to menu > setting > Applications > Development
  8. check USB Debugging (enable)
  9. Connect the device to PC
  10. You will got SEMC SIMLOCK CERTIFICATE log
  11. run msm7227_semc.cmd, press any key to start
  12. here`s the result log

    process requires standard 2.x android firmware.
    Press any key to continue . . .
    Getting ROOT rights.
    1743 KB/s (585731 bytes in 0.328s)
    error: protocol fault (no status)
    Waiting …
    Removing NAND MPU restrictions via SEMC backdoor. Permanent. Require ROOT rights.
    192 KB/s (3087 bytes in 0.015s)
    Waiting …
    Getting ROOT rights.
    Waiting …
    Writing patched semcboot. Two step process
    First, we need get access to semcboot area
    504 KB/s (8064 bytes in 0.015s)
    Second, we need to write semcboot
    1130 KB/s (596916 bytes in 0.515s)
    successfully wrote 0003ff00
    Press any key to continue . . .

  13. Done

note: some antivirus my detect the msm7227 and s1tool as contaminated file, but it`s clean. Just turn off your antivirus for a while. By the way, some antivirus may block the process. When you got “Access is denied” messege, turn off the anti virus and try to repeat the steps

Do With Your Own Risk

Download Support Files

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