Samsung Galaxy A3 (SM-A300FU) Firmware Overview
What is the latest SM-A300FU firmware?
A300FUXXU1CSG3, released September 12, 2019 for region XEF with Android 5.0.2. It is a feature update on bootloader binary 1. The archive holds 2 official builds for this region.
Is the Samsung Galaxy A3 still getting updates?
Most likely not: there has been no new firmware since September 2019, so Android 6.0.1 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Which Android versions did it get?
The SM-A300FU builds in the archive run Android 5.0.2 to 6.0.1. The earliest build we have for each version:
- Android 6.0.1: A300FUXXU1CSG3 (Jul 2019), 1 build in total
- Android 5.0.2: A300FUXXU1CSG3 (Sep 2019), 1 build in total
Can I downgrade the SM-A300FU 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 Jul 2019
SM-A300FU firmware for region XEF
How to Flash SM-A300FU Firmware
Put the Samsung Galaxy A3 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.