Rooting Sony Experia Arc S FirmWare 4.0.2.A.0.62 with locked bootloader


  • Download Flashtool
  • Download DooMLoRD_v4_ROOT-zergRush-busybox-su
  • Download Firmware 4.0.2.A.0.42

Rooting FirmWare 4.0.2.A.0.62 with locked bootloader

  1. Flashing firmware 4.0.2.A.0.62 using flashtool, read: Flashing Sony Ericsson Xperia Arc
  2. After Xperia Arc S firmware is already downgrade, do not install anything, just keep the system like it was.
  3. Do Rooting using ZergRush, read: Rooting Sony Xperia Arc S using ZergRush
  4. After the arc s already rooted, connect to internet, a notification to update firmware will come up.
  5. Do update to 4.0.2.A.0.62 via OTA
  6. Wait the process until its done
  7. Reboot
  8. Done, it should be rooted 4.0.2.A.0.62.


  • Update via OTA is must! if you try update from pc companion or zeus it will fail for sure.
  • In step 4, if there is no update notification, do manually update from Settings > About Phone > Software Update.

Do With your Own Risk

Download Support Files

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