How to install Samsung Galaxy
CyanogenMod 10.1 ( CM 10.1) is a AOSP based aftermarket firmware. It comes without the Google and Samsung applications and services (service apps). But you can install Google apps and services (apps) using Gapps zip file. But it includes all the Android 4.2.2 features.
This CM10.1 ROM installation wipes all the user data on your phone internal memory. But it’s not touch your SD card. Make sure that you have a latest backup. This ROM developed by the XDA developer temasek.
Warning!
Installing custom firmware voids the Galaxy S3 warranty. If your phone brick or malfunction by following this tutorial, I can’t claim its damages. Applying this tutorial at your own risk. This post contains SGS3 custom ROM only for the Samsung Galaxy S III I9300 (International version), applying it to another device it will cause unexpected results.
Requirements.
- Root the phone (Guide in here).
- Install a custom recovery (Guide in here).
- Backup internal memory including user data (Guide in here).
- Backup EFS folder (Guide in here).
- Known issues in here.
How to install Samsung Galaxy S3 GT-I9300 Android 4.2.2 CyanogenMod 10.1 (CM10.1) Jelly bean custom ROM.
- Copy the downloaded ROM and Gapps zip files to your SD card.
- Power off the phone.
- Boot into the recovery mode by pressing and holding “Volume Up, Home and Power buttons at the same time. When you see the Samsung bootlogo release the pressed keys.
- Once you have in the CWM or any other custom recovery first make a complete current ROM backup. Navigate to “Backup and restore>backup”. It will take several minutes, when the backup completed go back to the main menu. Your files are saved on SD card “ClockworkMod” folder.
- Next go to “wipe cache partition> Yes – Wipe cache”.
- After that navigate to “wipe data/factory reset> Yes – Wipe data”.
- Go to “Advanced>Wipe dalvik-cache>Yes – Wipe cache”.
- If you need a clean installation go to “mount and storage>mount /system”. After that “format/system”.
- Now we can start the CM10.1 ROM installation. Go to “install zip from sdcard>Choose zip from sdcard” and select the downloaded ROM zip file.
- To start the installation, select “Yes – Install”. This installation will take several minutes. Once it’s completed you are again in the Choose zip from sdcard menu again select that option and select the downloaded Gapps zip file.
- After you have installed all the zip files select “reboot system now”. First boot takes few minutes.
- Phone fully booted up, log-in to your Google account and download the require apps from Google play store.
Source: androidgadgematic
