Published by Icom Inc. on Dec 10, 2024

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  1. Our AI is availaibe 24/7, to help you solve any pressing challenges.
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What users are saying

1. If you have an Icom radio with Bluetooth, you should familiarize yourself with the operation of this app! Wish initial radio selection were more streamlined.ID-52A User.

2. Not sure if it's my phone (Galaxy S6 international version) or there needs to be an update to the app, maybe the radio?Hard to connect to ID-52A.

3. For the app can they add a functionality that allows me to completely control my radio from the app? Selecting repeaters is cool but I'd like to be able to program all the frequencies.

4. Will not connect to the radio reliability and requires hours of trouble shooting every time.

5. Makes me regret ever buying the ID 52A.Works fine on Bluetooth with my 5100A but will not connect with my ID-52A where I really need it.

6. Would help if ICOM provided some simple set up assistance for the different radios instead of leaving you to guess...Works great on my ID-5100A.

7. It's OK if you want to easily update and load DSTAR only repeater lists to your radio.

8. Keeps on crashing every time it tries to load maps.After hours of trying to get it to work.

9. This is an amazing yet apparently often overlooked app for anyone with a modern Icom radio.

10. The app allows transferring images and text digitally with existing D-star repeater infrastructure or simplex (145.670) in a grid down scenario.

11. It DOES NOT add FM repeaters to the list like you are able to by manually downloading from dstar website, which is unfortunate.

Steps to Troubleshoot & Fix RS-MS1A Issues

1. Fix RS-MS1A Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart RS-MS1A: Restarting the app will resolve most errors.
  2. Update the RS-MS1A App. Here is how:
    1. On Android goto PlayStore » Search for "RS-MS1A" » Open RS-MS1A » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for RS-MS1A » click "UPDATE".
  3. Clear RS-MS1A app cache: Clearing cached data will force your app to retrieve the latest data directly from RS-MS1A servers.
    1. On Android, goto Settings » Apps » Select "RS-MS1A" » click Storage » click "Clear Cache".
  4. Check RS-MS1A app permissions. If any of these permissions required to use your device's features are disenabled, RS-MS1A might not work.
  5. Uninstall and reinstall RS-MS1A. If nothing else has worked, completely uninstall RS-MS1A then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing RS-MS1A not working


2. Fix RS-MS1A Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make RS-MS1A be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to RS-MS1A not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, RS-MS1A may not be able to connect to the Internet when running in the background.

Reported Issues

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