| Version | Build Date | Size | Release Note | Attention | Download |
| V-2.x.2.40 | 2026/09/21 | 7.75MB | 1. Enhanced security. 2. Improved system stability. | This firmware is suitable for C1 V3,C1 Lite V3,FI9800P V3,FI9803P V4,FI9821P V3,FI9821EP V2,FI9816P V3,FI9853EP V2,FI9851P V3,FI9800XE V2,FI9800W V2,FI9800E V2,FI9831P V3,FI9826P V3 |  |
