Caution: Flashing custom firmware can brick your device and voids your warranty. Ensure you backup all data first. How to Install Android 6.0.1 Marshmallow On Galaxy S3 (4K)
Since there is no official Marshmallow update, the only way to achieve this version is through . Developers have ported versions of Android 6.0.1 and even higher (up to Android 11 via LineageOS) to this hardware. Popular ROM Options sm-g530h firmware 6.0 1
Some developers have ported the Marshmallow firmware from the Galaxy J5 (which shares similar hardware) to the Grand Prime. Installation Guide (Custom ROM) Caution: Flashing custom firmware can brick your device