Hi, i have a IP Camera RLC-510A, i have view my hardware n° IPC_523128M5MP_V2 on my app and the soft say me my firmware is up to date but when i going to download center i have new firmware named : v3.1.0.951_22041567

my actually firmware : v3.1.0.801_22010700 and i can't update my camera : after i have choose my file downloaded of firmware i confirm and i have error : update failed : failed to identify file format, try again later
i have reset my camera but nothing... can you help me please.