| Image | Link | Notes | Update Date |
|---|---|---|---|
 |
https://www.xixei.com/nfc/tool/soft/win/20210531/nfcPro.exe | 2021-05-31 |
| Architecture | Link | Notes | Version | |
|---|---|---|---|---|
| Windows | x64 | https://www.xixei.com/nfc/tool/soft/win/20250311/nfcPro_x64.exe | Support for FM11RF08S | 2025-03-11 |
| x64 | https://www.xixei.com/nfc/tool/soft/win/20240105/nfcPro_x64.exe | 2024-01-05 | ||
Notes：
When the software fails to run, it needs to be installed in the Visual C++ Redistributable.
When prompted: This application cannot run on your computer, please install it first Microsoft Visual C++ Redistributable. ( X86 ) .
Even with careful planning, issues can arise. Here is how to tackle the most frequent problems during an AOT-4221SR firmware upgrade:
| Error Message / Symptom | Likely Cause | Solution | |------------------------|--------------|----------| | "Firmware file mismatch" | Wrong hardware revision | Verify your AOT-4221SR’s exact model (e.g., SR vs. SRC variant). Download firmware specifically for your revision. | | Upgrade stalls at 50% | Network timeout or corrupted file | Reboot device, use a direct Ethernet cable, re-download the firmware, and try again. | | Device won't boot after upgrade | Power interruption or incorrect file | Perform a recovery via serial console (see below). | | Web interface unresponsive post-upgrade | Browser cache conflict | Clear browser cache or try a different browser. Also, try pinging the device’s IP. | | Factory reset not working | Residual old configuration | Perform a hardware reset: press and hold the physical reset button for 10 seconds while powering on. | aot-4221sr firmware upgrade
What makes this firmware upgrade notable is how it’s deployed: Even with careful planning, issues can arise
This procedure assumes you have physical or remote administrative access to the device. Follow these steps meticulously. Download firmware specifically for your revision
| Image | Link | Notes | Update Date |
|---|---|---|---|
|
|
https://www.xixei.com/nfc/tool/soft/win/20210531/nfcPro.exe | 2021-05-31 |
The Visual C++ Redistributable installs Microsoft C and C++ (MSVC) runtime libraries.
| Architecture | Link | Notes |
|---|---|---|
| X86 | https://aka.ms/vs/17/release/vc_redist.x86.exe | Recommended |
| X64 | https://aka.ms/vs/17/release/vc_redist.x64.exe |
Notes：
Go To Microsoft website to download the Microsoft Visual C++ Redistributable Package.
X64 systems may need to install both vc_redist.x86.exe and vc_redist.x64.exe