J400m Firmware

This is where you can download and install the latest firmware for the J400M. There are plenty of firmware versions for different countries. Please make sure to pick the one that fits yours. Model number and country are the two main things that you should look out for. Feel free to check out the available downloading options for J400M firmware.

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Name Model Version Date Region / Carrier PDA
Galaxy J4 SM-J400M Q(Android 10) August 25, 20 Trinidad and Tobago (EON) J400MUBU9CTGO
Galaxy J4 SM-J400M Pie(Android 9) March 18, 20 Trinidad and Tobago (EON) J400MUBS7BTB3
Galaxy J4 SM-J400M Pie(Android 9) July 16, 19 Trinidad and Tobago (EON) J400MUBU4BSG3
Galaxy J4 SM-J400M Pie(Android 9) October 10, 19 Trinidad and Tobago (EON) J400MUBS4BSI2
Galaxy J4 SM-J400M Pie(Android 9) April 27, 19 Trinidad and Tobago (EON) J400MUBU3BSDD
Galaxy J4 SM-J400M Pie(Android 9) January 13, 20 Trinidad and Tobago (EON) J400MUBU5BSL2
Galaxy J4 SM-J400M Pie(Android 9) June 16, 20 Trinidad and Tobago (EON) J400MUBS8BTE2
Galaxy J4 SM-J400M 8.0.0 November 01, 18 Trinidad and Tobago (EON) J400MUBU2ARJ3
Galaxy J4 SM-J400M 8.0.0 July 30, 18 Trinidad and Tobago (EON) J400MUBU2ARG7
Galaxy J4 SM-J400M 8.0.0 May 24, 18 Trinidad and Tobago (EON) J400MUBU1ARE8
Galaxy J4 SM-J400M 8.0.0 January 14, 19 Trinidad and Tobago (EON) J400MUBU2ARL3
Galaxy J4 SM-J400M 8.0.0 April 16, 19 Trinidad and Tobago (EON) J400MUBS3ASD3
Galaxy J4 SM-J400M 8.0.0 October 04, 18 Trinidad and Tobago (EON) J400MUBS2ARI1

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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