Looking for firmware for Amcrest IP5M-B1186EW-28MM it reports model IPC-HFW2531SP-S
getSystemInfo returns:
appAutoStart=true
deviceType=IP5M-B1186E
hardwareVersion=1.00
processor=SSC328Q
serialNumber=AMC066171F9E1AXXXX
updateSerial=IPC-HFW2531SP-S...