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Install CM10.1 for Galaxy S3 i9300 (Android 4.2.2)

Overview

This tutorial will explain how to install CM10.1 for Galaxy S3 i9300 (Android Jelly Beans 4.2.2).

CM10.1 for Galaxy S3 i9300

Download

Download Links:

  1. ClockWorkMod 6.0.1.0 for Galaxy S3 Only:
    Download CWM 6.0.1.0 Galaxy S3
  2. Latest CM10.1 for Galaxy S3 i9300 nightly builds:
    i9300: CM10.1 for Galaxy S3 i9300
  3. Latest Google Apps:
    Google Apps for Android
  • If you need a different Modem have a look at ROM-Manager for other Modems.

 

Installation

 

Step 1 – CM10.1 installation first step is installing a custom recovery

ClockWorkMod (CWM) Recovery Installation Instructions

  1. Go into Setting ->Developers option and enable USB Debugging on your Galaxy S3
  2. Power off your device
  3. Boot into Download-Mode using Volume Down + Home + Power
  4. Hit Volume Up to accept the warning
  5. Start Odin (1.85)
  6. Choose ClockworkMod-Recovery_X.X.X.X.tar as PDA
    (Don’t mark re-partition!!!)
  7. Connect your Phone
  8. Start flashing

Step 2 – Now that you have CWM installed you can continue to CM10.1 installation

  1. Copy GApps and CM10.1 ZIPs to your internal SDCard
  2. Boot into Recovery
    • Volume Up + Home + Power: boots your Phone into Recovery Mode.
    • Volume up: Highlight up
    • Volume down: Highlight down
    • Home: select
    • Power: back
  3. Flash CM10.1 zip from internal SD-Card
  4. Flash GApps zip from internal SD-Card
  5. Wipe Data / Factory Reset (resolves several issues)
  6. Reboot

Restoring Apps + Data might cause problems and is not recommended, avoid it if possible!

 

Upgrading

Upgrading from an earlier version of CyanogenMod 10:

  1. Copy CM10.1 ZIP to your internal SD-Card
  2. Boot into Recovery
  3. Flash CM10.1 zip from internal SD-Card
  4. Flash CM10.1 GAPPS zip from internal SD-Card
  5. Reboot

 

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