Samsung SM-J120A Firmware Overview
What is the latest SM-J120A firmware?
J120AUCU5AVH1, released August 20, 2022 . It is a feature update on bootloader binary 5. The archive holds 3 official builds across 1 region (CSC).
Is the Samsung SM-J120A still getting updates?
Most likely not: there has been no new firmware since August 2022. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-J120A firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 4 to 5:
- Binary 5 — since Jan 2018
- Binary 4 — since Oct 2017
A phone already on binary 5 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 5 build. How to read a build number.
All SM-J120A firmware builds
How to Flash SM-J120A Firmware
Put the Samsung SM-J120A 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 5 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.