Samsung Galaxy J4 (SM-J400M) Firmware Overview
What is the latest SM-J400M firmware?
J400MUBUECVH2, released September 3, 2022 for region CHV with Android 10. It is a feature update on bootloader binary 14. The archive holds 2 official builds for this region.
Is the Samsung Galaxy J4 still getting updates?
Most likely not: there has been no new firmware since September 2022, so Android 10 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-J400M firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 14:
- Binary 14 — since Jul 2022
SM-J400M firmware for region CHV
How to Flash SM-J400M Firmware
Put the Samsung Galaxy J4 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 14 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.