PACMAN custom firmware based on Android 5.1.1 Lollipop is now available for AT&T Samsung Galaxy S3 I747. While there is no hope of Lollipop coming to Galaxy S3, you can taste all the features and much more with this beautiful and stable custom ROM. Hereare all the PACMAN Android 5.1.1 features for Samsung Galaxy S3 I747 followed by a complete guide to help you flash the custom ROM on your own smartphone.

Prerequisites to flash Android 5.1.1 onGalaxy S3 I747:

Backup any important datafrom your Samsung Galaxy S3SGH-I747 as a complete wipe will be required during the flashing process.Enable USB debugging option on your device:Settings>DevelopmentOptions>USB debugging.Samsung GalaxyS3 must berooted, unlocked and installed with a recovery tool likeTWRPorCWM.Your device must be charged to at least 60% of power.

Note:this tutorial is focused on AT&TSamsungGalaxy S3SGH-I747; kindly do not try this guide on otherAndroid&Samsungdevices.

How to update Galaxy S3 I747 to Android 5.1.1 PACMAN:

Required files: downloadthePACMANAndroid 5.1.1Lollipopcustom firmware for GalaxyS3 I747.and save it on your computer. Also downloadGAppspackage. Do not extract the contents.

ConnectGalaxyS3to your computer using a USB cable and copy the zip file to your phone’s SD card.Disconnect the USB cord andpower off yourGalaxy S3.Boot it into recovery mode bypressing and holdingVolume Up+Home+Powerbuttons together.Perform aNandroidbackupof your current OS:Backup>backup and restoreonClockworkModrecovery.Wipe data task: from CWM recovery menu, selectwipe data / factory resetand confirm the process. Then go on towipe cache partitionandwipedalvikcache.From recovery menu, selectinstall zip fromsdcardfollowed bychoose zip fromsdcard.Locate the PACMANAndroid 5.1.1 Lollipop custom firmware and confirm the flashing process.Return back to main recovery menu and reboot your AT&TSamsung GalaxyS3 into the new custom ROM. First boot takes a good 5 minutes so please be patient.

How to restore:If you want to return to previous OS on yourSGS3, boot intorecovery, selectbackup and restorethen restore your previous ROM by selecting it from the list.

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