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

Preparation

  • 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.

 Note:

  • 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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