Samsung Galaxy Grand Prime (SM-G531M) Firmware Overview
What is the latest SM-G531M firmware?
G531MUBU1APJ1, released January 31, 2017 for region COM with Android 5.1.1. It is a feature update on bootloader binary 1. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Grand Prime still getting updates?
Most likely not: there has been no new firmware since January 2017, so Android 5.1.1 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-G531M firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 1:
- Binary 1 — since Oct 2016
SM-G531M firmware for region COM
How to Flash SM-G531M Firmware
Put the Samsung Galaxy Grand Prime into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 1 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.