How to upgrade the RB37 to work with the new EWN001 Bluetooth earpiece?

The RB37 has upgraded its Bluetooth chip, so if you are interested in the new EWN001 Bluetooth earpiece, it is better to upgrade your radio. And in this way, you can save more money to enjoy the upgraded RB37 radios and EWN001 Bluetooth earpiece.

rb37earpiece

Here are the steps to upgrade your old version RB37.

  1. Install the upgrading tool and open the tool.
  2. Choose the serial port in the upgrading software.
  3. Then, click the ‘open file’ to upload the upgrading file in the software, and click ‘open’ to back to the software tab.
  4. Install the battery and the programming cable. Please do not turn on your radio before clicking the ‘start’ button on the tab.
  5. Turn on your radio, and your radio will upgrade automatically. You can see the Downloading progress bar on the bottom.
  6. After the download is successful. It is better to wait about 1 minute to turn off your radio and turn it on again.
  7. Now, you can follow the step to connect your radio with the EWN001 Bluetooth earpiece.

How to connect your EWN001 to your radio?

  1. Turn off your radio and earpiece first.
  2. Hold the PF2 button and the PTT button to turn on your radio. And you will see a green flash 4 times, and now, your radio is entering the pairing mode.
  3. Long-press the Power button on your earpiece for about 3 seconds until the indicator flashes red and blue. Now, your earpiece is entering the pairing mode.
  4. Wear your earpiece or look at the indicator on your radio or earpiece, waiting for the flash to end. And you can hear a prompt, ‘Connected.’ Your earpiece can work on your radio.
  5. Touch the PTT button, and the indicator turns red on your radio. That means the earpiece can work with the radio.

If you need the upgrade files, please comment this blog or email us at support@retevis.com.

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