This Galaxy S3 Android Marshmallow ROM (Android 6.0 Marshmallow for GT-i9300), is an Android Open Source Project (AOSP) custom ROM based on Android 6.0.0 built by xda member brainelv. As the AOSP build is up, you can expect CM 13 for S3 soon and also other ROMs like ResurrectionRemix ROM, OmniROM for S3 etc.
THIS CANNOT BE USED AS A DAILY DRIVER FOR YOUR PHONE. THIS IS STILL AN EARLY BUILD AND CONTAINS MORE BUGS THAN YOU CAN EXPECT. PROCEED WITH CAUTION BEFORE FLASHING THIS.
Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup your all data. You are the only person doing changes to your phone and I cannot be held responsible for the mistakes done by you. Please visit the Disclaimer page below to agree with the risks involved and proceed before flashing this ROM to your phone:
ROM Disclaimer link
– RIL (network) does not work
– Screen colors
– SD Card is not working
– GPS is still not tested
– Boots without SD Card
– Touch screen
– USB OTG
– Screen rotation
Required files for Galaxy S3 Android Marshmallow ROM flashing:
– TWRP recovery for Galaxy S3 i9300
Download .tar file for ODIN flashable and .img for fastboot flashable file
– Download link for Galaxy S3 android marshmallow ROM
– Android 6.0 GApps flashable zip download link
Installation guide of Galaxy S3 Android Marshmallow ROM:
Copy the ROM and GApps zip file to your phone (By using a USB cable or via adb push command).
Enter into recovery mode by pressing your device specific key combinations.
Or else if you are on a pc with USB driver and adb installed, then type the following command:
$ adb reboot recovery
Wipe system partition, cache and data partition. [IMPORTANT]
Select the Install Zip from SDcard option.
Select the Galaxy S3 Android Marshmallow ROM zip file and let the installation complete and then reboot and then flash the GApps package and reboot to enjoy Android Marshmallow 6.0 on the Galaxy S3 i9300.
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