Please note: for MI 3152(H) with Hardware version 1.0 or 2.0 the latest valid Firmware version is 2.13.44 (release date 23.03.2022). See chapter MI 3152(H) HW1.0 and HW2.0 Firmware update for details.

Firmware can be updated in Metrel ES Manager software.

Use this video instruction if firmware upgrade fails for some reason.

>>Update files MI 3152

>>Update files MI 3152H

Upload the bootloader if firmware programming cannot be done and reload the firmware once again.