Compatible model: XVR-XV52A16A-4KL XVR-XV54A32L-X XVR-XV72A08-4K-X XVR-XV72A16A-4KL-X XVR-XV54A32L-X Release date: 2021-10-13 Please download here: General_XVR7x16-X_Eng_NP_V4.001.0000000.15.R.211013.bin