supports models:          OMNY NKU 20N2P16 
start upgrade kernel:     DVRS_V9.11.0.20190813_SP22
version after upgrade:  DVRS_V9.11.0.20200827_SP49
steps of upgrade :        upgrade by  IE £¬SearchConfigTool or flash  ;
description     :Solve recording audio issue on IE£¬support AVI