Looking for an Android 7.1.0 based custom ROM for your Samsung Galaxy S3? The latest AICP custom firmware is now available for the flagship smartphone of the bygone era. Based on the latest Nougat, the ROM promises some amazing features, including CM14.1, for your older but reliable device. Reportedly a stable and fast custom ROM, you can now update Galaxy S3 to Android 7.1 AICP ROM.

AICP Android 7.1 features

System animationsPowermenuanimationLCD density changerStatus bar icons controlBattery Icon style (percentage, icon type)Brightness controlShow notification countQuick pulldown on QSSuperuser indicator controlTime contextual headerForce expanded notificationsDisable immersive mode messagesRecents in fullscreenLock screen shortcutsLock screen blurLeft-handed modePie ControlGesture AnywhereLaunch music app when headset is connectedThree fingers swipe for screenshot

The ROM is still in developmentphase, so beware that some features might not work at their best. For more features and support, visit the official thread.

Prerequisites to update Galaxy S3 to Android 7.1 AICP

Backup any important datafrom your Samsung Galaxy S3 as a complete wipe will be required during the flashing process.Enable USB debugging option on your device:Settings>DevelopmentOptions>USB debugging.Samsung Galaxy S3 must berooted, unlocked and installed with a recovery tool likeTWRP.Your device must be charged to at least 60% of power.

Note:this tutorial is focused on Samsung Galaxy S3 model I9300; please do not try this guide on otherAndroid orSamsungdevices.

How to update Galaxy S3 to Android 7.1 Nougat

Required files: downloadAICP Android 7.1 custom firmware for Galaxy S3and save it on your computer. Also, download GApps. Do not extract the contents.

ConnectGalaxyS3 to 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 intorecovery modebypressing and holdingVolume Up+Home+Powerbuttons together.Perform aNandroid backupof your current OS:Backup >backupand restoreon ClockworkMod recovery.Wipe data task: from the CWM or TWRP recovery menu, selectwipe data / factory resetand confirm the process. Then go on towipe cache partitionandwipedalvikcache.Fromrecoverymenu, selectinstall zip fromsdcard,followed bychoose zip fromsdcard.Locate the AICP Android 7.1 Nougat custom ROM and confirm the flashing process.Return back to main recovery menu and reboot your Samsung Galaxy S3 into the new custom ROM. First bootmay take a few longminutes.

How to restore:If you want to return topreviousOS on your SGS3, boot intorecovery, selectbackup and restorethen restore yourprevious ROMby selecting it from the list.