ST-4003A
Icom Inc. Tools
The ST-4003A corrects the time of the radio with the time of the Android device.
- Downloads
- 2.3K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Oct 15
- 2026
Screenshots
About ST-4003A
The ST-4003A corrects the time of the radio with the time of the Android device.
Refer to the INSTRUCTIONS for details.
Device requirements:
1 Android 5.0 or later
2 USB On-The-Go (OTG) host function
Supported transceiver (As of November 2021)
- Icom IC-705
- Icom IC-7100
- Icom IC-7300
- Icom IC-7600
- Icom IC-7610
- Icom IC-7850/IC-7851
- Icom IC-9700
*A USB cable is required to connect to the Radio.
NOTE
- Icom does not guarantee that the ST-4003A works on all Android devices. It may not work properly, depending on the OS version, installed applications, or other reasons.
- The ST-4003A may not be usable, even if your Android device supports the USB OTG host function.
Refer to the INSTRUCTIONS for details.
Device requirements:
1 Android 5.0 or later
2 USB On-The-Go (OTG) host function
Supported transceiver (As of November 2021)
- Icom IC-705
- Icom IC-7100
- Icom IC-7300
- Icom IC-7600
- Icom IC-7610
- Icom IC-7850/IC-7851
- Icom IC-9700
*A USB cable is required to connect to the Radio.
NOTE
- Icom does not guarantee that the ST-4003A works on all Android devices. It may not work properly, depending on the OS version, installed applications, or other reasons.
- The ST-4003A may not be usable, even if your Android device supports the USB OTG host function.
What’s new
Updated October 15, 2026
- Compatible with Android 17.
Frequently asked questions
What is the purpose of the ST-4003A?
The ST-4003A corrects the time of the radio with the time of the Android device.
Where can I find detailed instructions for the ST-4003A?
Refer to the INSTRUCTIONS for details.
What are the device requirements for the ST-4003A?
The device requirements are:
Which transceivers are supported by the ST-4003A as of November 2021?
The supported transceivers are:
Will the ST-4003A work on all Android devices?
Icom does not guarantee that the ST-4003A works on all Android devices. It may not work properly, depending on the OS version, installed applications, or other reasons.
Can I use the ST-4003A if my Android device supports the USB OTG host function?
The ST-4003A may not be usable, even if your Android device supports the USB OTG host function.
Alternatives to ST-4003A
Looking for apps like ST-4003A? Here are 6 similar Android apps on Google Play. The highest rated is RS-MS3A (3.6/5), and all 6 are free to download.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| ST-4003A | – | Free | 1,000+ | Oct 15, 2026 | |
| RS-MS1A | 3.3 / 5 | Free | 50,000+ | – | Compare |
| RS-MS3A | 3.6 / 5 | Free | 10,000+ | Mar 26, 2026 | Compare |
| ST-4002A | – | Free | 1,000+ | Oct 15, 2026 | Compare |
| RS-M500 | – | Free | 5,000+ | Jun 30, 2025 | Compare |
| RS-SAT100 | – | Free | 1,000+ | Aug 6, 2025 | Compare |
| ST-4001A | – | Free | 5,000+ | Oct 15, 2026 | Compare |
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