ok thanks , i will test today and will let you know. I also tried build own firmware 5.3 with just recompiling IPC_R0_EN_STD_5.3.0_150513 and copy file to IPC_R0_CN_STD_5.3.0_150513 which is running on my DS-2CD2032-I (from here http://www.cctvforum.com/viewtopic.php?f=19&t=46576 ) . I will...