Retevis RT84 Firmware Upgrade

Retevis RT84 is a solid built, dual-band DMR/Analog handheld transceiver that would be a good entry-level radio. It has a hefty feel and slightly larger size,low cost under $95USD.  Today let’s learn how to do RT84 firmware upgrade.

Enter DFU mode

Press the top sidekey and PTT together, turn on the radio.  The indicator will flash red and green.  This means enter the DFU mode sucessfully.

Firmware Upgrade

  1. Download the RT84 firmware file from

2. Unzip the firmware file.

     3. Install the exe file ” DMR firmware Download Setup V3.05″.

4. You will get desktop shortcut.






5.  Open RT84-D01.25.bin file.

6.  Connect your radio to your PC with RT84 software cable.

7. Click” Download file of upgrade. It will begin the upgrade process.

8. After sucessfully upgrade the firmware, turn off the radio. And turn on the radio again to check the new firmware version.

Note: When upgrade the firmware, please make sure enter correct DFU mode, otherwise will result the radio white screen. Any other questions, please contacts us on Facebook Page or email to 




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