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.

Name	Model	Version	Date	Region / Carrier	PDA
Galaxy J4	SM-J400M	Q(Android 10)	August 25, 20	Chile (CHO)	J400MUBU9CTGO
Galaxy J4	SM-J400M	Pie(Android 9)	January 13, 20	Chile (CHO)	J400MUBU5BSL2
Galaxy J4	SM-J400M	Pie(Android 9)	April 27, 19	Chile (CHO)	J400MUBU3BSDD
Galaxy J4	SM-J400M	Pie(Android 9)	July 16, 19	Chile (CHO)	J400MUBU4BSG3
Galaxy J4	SM-J400M	Pie(Android 9)	March 18, 20	Chile (CHO)	J400MUBS7BTB3
Galaxy J4	SM-J400M	Pie(Android 9)	October 10, 19	Chile (CHO)	J400MUBS4BSI2
Galaxy J4	SM-J400M	Pie(Android 9)	June 16, 20	Chile (CHO)	J400MUBS8BTE2

Galaxy J4	SM-J400M	8.0.0	April 16, 19	Chile (CHO)	J400MUBS3ASD3
Galaxy J4	SM-J400M	8.0.0	May 24, 18	Chile (CHO)	J400MUBU1ARE8
Galaxy J4	SM-J400M	8.0.0	July 30, 18	Chile (CHO)	J400MUBU2ARG7
Galaxy J4	SM-J400M	8.0.0	January 14, 19	Chile (CHO)	J400MUBU2ARL3
Galaxy J4	SM-J400M	8.0.0	May 10, 18	Chile (CHO)	J400MUBU1ARE2
Galaxy J4	SM-J400M	8.0.0	November 01, 18	Chile (CHO)	J400MUBU2ARJ3
Galaxy J4	SM-J400M	8.0.0	October 04, 18	Chile (CHO)	J400MUBS2ARI1
					1 - 14 of 14

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Available Regions

J400m Firmware

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