This is the latest new firmware for these models. Attention, the firmware support these models only, please make sure you are use the right firmware for the right models and make a default after you finish the updating. IPC-T5241H-AS-PV IPC-B5442E-ZE IPC-D5442E-ZE IPC-HFW5241E-Z12E IPC-HDPW5442GP-Z IPC-HFW5241T-AS-PV IPC-HFW5541TP-AS-PV IPC-HDW5541HP-AS-PV New Feature Description 1 Multi-rule people counting solution. 2 Low bit rate solution. 3 4MP/5MP camera of Series 5 supports high frame rate (50/60 fps) lower than 1080p. 4 Add face detection function on customized fixed focal camera. 5 Add audio importing formats MP3 and AAC on siren and spotlight network camera. 6 Add 2560 × 1440 resolution. 7 Optimize password resetting solution. 8 Support license verification requirement for second period, and add algorithm version display. 9 Improve IVS detection performance. FIXED Bug: NONE. Attention, this firmware not suit for IPC-HDW5231R-ZE or IPC-HDW2231R-ZS.