.245 - v5.00.R02.0003068b.10010.343700.0020000          2019-12-31
.244 - v4.02.R12.00035520.12012.047500.00200            2018-08-29
.243 - v5.00.R02.00030682.10010.249c00.0020000          2019-08-14


Firmwares:
http://www.xiongmaitech.com/service/down_detail1/13/2/
https://www.enster.com/faq/Link-for-downloading-IPC-firmw.html