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Samsung Galaxy J4 (SM-J400M) — Region MXO

Latest J400MUBUECWC1 • Android 10 • Mar 2023

Samsung Galaxy J4 (SM-J400M) Firmware Overview

What is the latest SM-J400M firmware?

J400MUBUECWC1, released March 11, 2023 for region MXO with Android 10. It is a feature update on bootloader binary 14. The archive holds 1 official build for this region.

Is the Samsung Galaxy J4 still getting updates?

Most likely not: there has been no new firmware since March 2023, 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:

SM-J400M firmware for region MXO

Build / PDA Bit Region (CSC) Android Date Download Link
J400MUBUECWC1
Feature update
14 MXO
10
2023-03-11 Download

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.