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Official Android 4.0 for Nexus S tested on I9023


I own a GT-I9023 Nexus S phone. Google officially released 4.0 for Nexus s, so I immediately started to install it manually.
I downloaded the update from Google and installed it following this steps:

  • Copy update.zip to the root of your internal storage
  • Switch off your Nexus S
  • Hold Volume Up and Power to reboot into the bootloader
  • Select “Recovery,” then press power button
  • Once the triangle with exclamation mark appears, press power button and volume up at the same time to enter recovery menu
  • Select “Apply update from /sdcard”

At first I tought everything is OK, but then I noticed there is "No service", the phone could not connect to the mobile network, so no phone calls or mobile net access was available.

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