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Install Android 4.0.1 ICS AOSP ROM On Nexus S

Nexus S ICS AOSP ROMThe first Ice Cream Sandwich based AOSP ROM for the Nexus S has surfaced. ICS based ROMs were limited to being SDK ports till the source code was released. Only about two days into the release, the ROM is still a work in progress and has its share of bugs. However, it is suitable as a daily driver for Android fans who want an early taste of the Ice Cream Sandwich.

So far things like, Wi-FI, 3G, 2D/3D HW acceleration, Audio, Camera, GPS, Face Unlock, Wi-Fi (patch needed), Bluetooth, Tethering, USB, Data usage statistics are working just fine. However, Camcorder seems to be broken for now.

Nexus S ICS AOSP Build Home screen Notification Drawer

Facelock Messaging

Disclaimer: Please follow this guide at your own risk. AddictiveTips will not be liable if your device gets damaged or bricked during the process.



  1. To begin, download the ROMthe link above and copy it to the root of your SD card.
  2. Boot your device into recovery mode by holding down the Volume down key as your press the Power button.
  3. Make a Nandroid backup.
  4. Select wipe data/factory resest, wipe cache and wipe dalvick cache.
  5. Navigate to install zip from sdcard > choose zip from sdcard and select the ROM you copied to your device.
  6. Once the ROM is flashed, simply reboot your device and cross your fingers!

For updates and queries, related to this ROM, head over to the forum thread at XDA-Developers.


  1. you can downgrade back to 2.3.6 by going into rom manager and select “download rom” and select stock images. Download the appropriate rom for your device. After booting it up do the OTA update and enjoy having Gingerbread back.

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