One of the first custom ROMs to be updated on Android 5.1.1 Lollipop is CyanideL custom firmware. The Android 5.1.1 ROM is now available for Samsung Galaxy S3. Famous for its customization level and packed full of features, here is how to update Galaxy S3 to Lollipop 5.1.1 based custom ROM.

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CyanideL Android 5.1.1 Lollipop features:

Gesture AnywhereGesture LockscreenHeads Up NotificationsShift Kernel by @rogersb11 built with LinaroCyanide L Material Dark UI (Work in Progress)CustomToast, System, and ListView AnimationsCustom Power Menu OptionsCustom Quick Settings TilesColorized Statusbar Icon OptionsColorized Notification Headers and Icons OptionsScreen RecorderCustom Navbar with custom actions and shorcutsTheme EnginePIE Controls (WIP)MIUI Style Custom Carrier Label in StatusbarLong Click Support in Statusbar HeaderCyanide Dungeon

Prerequisites to update Galaxy S3 to Lollipop 5.1.1 ROM:

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 Galaxy S3 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&T Samsung Galaxy S3SGH-I747; kindly do not try this guide on other Android &Samsungdevices.

How to update Galaxy S3 to Lollipop 5.1.1 CyanideL ROM:

Required files:

DownloadCyanideL Android 5.1.1for GalaxyS3 I747 and save it on your computer.DownloadGAppspackage. Do not extract the contents.

Now, here are the steps to update Galaxy S3 to Lollipop custom ROM:

ConnectGalaxyS3 to your computer using a USB cable and copy the ROMfile to your phone’s memory.Disconnect the USB cord andpower off yourGalaxy S3.Boot it into recovery mode: press and holdVolume Up+Home+Powerbuttons together.Perform aNandroidbackupof your current OS:Backup>backup and restoreonClockworkModrecovery.Next are the data wipe tasks: 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 CyanideLAndroid 5.1.1 Lollipop custom firmware and confirm the flashing process.Return back to main recovery menu and reboot your AT&T Samsung Galaxy S3 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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