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How to Upgrade Retevis RT84 Firmware

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Retevis RT84 is DMR dual band radio. The main features:

1.Broadband digital two way radio
2.DMR True2-slot dual time slot
3.Digital and analog compatible, smooth over
4.Digital signaling function
5.SMS function
6.High sound quality
7.Manual writing-frequency
8.High/Low power switch
9.Alarm function
10.Digital mode supports the use of relays
11.Side buttons can be customized without changing the user`s operating habits


We constantly update the RT84 firmware to meet the needs of customers. You can download it and install the .exe file on your computer. https://www.retevis.com/resources-center

RT84-firmware-tool.jpg


How to upgrade the RT84 firmware, here I will show you the detailed steps. 

Step 1: Connect the RT84 and computer with RT84 programming cable

RT84-Programming-Cable-ailunce.jpg

Step 2: Make sure your RT84 is in the DFU mode.

Press the top sidekey and PTT together, turn on the radio at the same time. we will see that the led is flashing red and green. It means the RT84 is in DFU mode. 

Note: If the RT84 is not in the DFU mode before upgrading, you will can't upgrade successfully. Or will result white screen. 

RT84-DFU-MODE-Ailunce.jpg

Step 3: Open the RT84 Firmware upgrade.

RT84-firmware-Ailunce.jpg


Step 4: Click the "Open file upgrade", then selcet the new firmware .bin file. 

RT84-firmware-file-ailunce.jpg

Step 5: Click the "Download file of upgrade", It will start to upgrade.

Step 6: After it show successful. unconnect the RT84 and computer. Reboot the RT84, we can check the current firmware version.

RT84-firmware-version-ailunce.jpg


If you have any other questions, feel free to leave messages to us.

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