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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2 thoughts on “Retevis RT84 Firmware Upgrade”

  1. Ronaldo Moreira

    Good Morning. I downloaded RT84_Firmware_V02.03 and installed it on my radios (two). One of them the letters are illegible and the other started asking for a password (I didn’t choose a password). How to proceed?


    Hi I’m having trouble upgrading the firmware on my RT84, I’ve got the programming cable and it DID work I’m just been forced to use a different pc that just won’t play nice, I’ve physically swapped ports as well as virtual com ports (ensuring they are free) what am I doing wrong? I’m also having a lot of trouble even finding the software (which I paid for as well? I thought it came with the radio?) I’ve managed to download it and install it and it appears to be setup correctly but it wont read or write to or from the radio, can you please help me? I’m probably missing something stupid, but for the life of me I cant see what??

    thanks for your help nick,

    Awaiting your reply, nick,

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