How to Manually Update GSM Nexus S to Android Jelly Bean (Android 4.1.1)

This tutorial might be the copy of my previous tutorial on how to manually update Nexus S to Android ICS 4.0.4 but with different Android version..the latest Android 4.1.1 a.k.a Jelly Bean. This tutorial is only for GSM version of Nexus S (i9020t/i9023 and i920a). Before doing update, make sure you have access to recovery mode so you can flash the update zip file. I use ClockworkMod to get access to recovery menu.

How to update:

  • Download the Android Jelly Bean update zip file.
    For i9020t/i9023:
    For i9020a:
  • Rename the file to (optional)
  • Download SuperUser zip file
  • Copy the file and file into sdcard
  • Reboot into bootloader end select Recovery
  • On CWM recovery menu, choose install zip from sdcard then choose zip from sdcard
  • Choose file and Yes – Install on confirmation
  • Wait until the installation process finish
  • Back to recovery menu then install the (from install zip from sdcard menu)
  • Wait until finish then reboot the phone
  • After reboot system will update the phone
  • Wait until finish, then you will be on Android 4.1.1 with root access and super user installed.
android jelly bean nexus s

android jelly bean nexus s

Reference: XDA Dev

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