Those who still have the Samsung Galaxy S3 will not get Android Nougat update. But, there are available custom ROMs for the 2012 flagship to experience the latest mobile OS from Google.

Installing the Vanir AOSP ROM to Samsung Galaxy S3 will bring the Android 7.1.1 Nougat experience. Vanir AOSP firmware gives the goodies of Nougat update for Samsung Galaxy S3 units with the model number GT-I9300. By receiving the latest OS, the flagship will have a fast and smooth performance, Team Android explained.

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The extra features of the Android 7.1.1 Nougat Vanir AOSP ROM include Quiet Hours, animation controls, battery light, Advanced Reboot option, battery saver mode, Google-based reverse lookup, automatic updater, sound options, and partition info and Quick Unlock.

Lineage OS 14.1 is another custom firmware based on Android 7.1.1 update for Samsung Galaxy S3. It will enhance the smartphone particularly with the modifications in the settings to have a smooth performance, Android Soul reported.

But before installing either the VanirAOSP ROM or the Lineage OS 14.1 to Samsung Galaxy S3, make sure to have complete guides. Failure installation using the unofficial firmware to Samsung Galaxy S3 can cause permanent damage the device.

Here are some of the steps to consider to have a successful update.

Check the Battery

Full battery power is necessary to prevent the device from shutting down during custom ROM installation. 80 percent of the battery level is recommended when updating custom ROMs.

Custom Recovery Tool

The suggested custom recovery tools are ClockWorkMod (CWM) and TeamWin Recovery Project (TWRP). These two are essential especially in creating a backup for all the information and settings saved on the Samsung Galaxy S3. Installing custom ROM to the device could erase the entire memory.

Install Proper USB Drivers

Make sure that the USB driver is connected properly on the computer to avoid problems in installing custom ROM for Samsung Galaxy S3. Enabling USB Debugging mode on Galaxy S3 is also important.