| Version | Build Date | Size | Release Note | Attention | Download |
| V-2.x.2.84 | 2025/02/20 | 9.29M | Improve safety. | This firmware is suitable for R2M, R2C. |  |
| V-1.13.1.8 | 2022/05/26 | 3.09MB | Enhanced SD card compatibility. | Please upgrade to this version before upgrading to the firmware V-2.x.2.72. | |
