K4P-4TR Firmware

Please check the model and version of your NVR before upgrading, and then select the corresponding NVR version to upgrade
US_IT7-PRS-KV1.0fh_V11.1.2.11_en_TDE01.bin is the upgrade software for IPC
US_N6P-4HV1.0mc_V12.1.5.16_multi_TDE01.bin and US_N6P-8HV1.0mc_V12.1.5.16_multi_TDE01 is the upgrade software for NVR