Have any idea for this issue?
17:48:59:101 Announced to internet http://dresden-light.appspot.com/discover
17:48:59:101 discovery server date: Sun, 29 Dec 2019 16:48:59 GMT
17:48:59:101 local time seems to be ok
17:49:58:405 Current channel 15
17:50:00:396 dev /dev/ttyAMA0
17:50:00:396 GW firmware version: 0x26050500
17:50:00:396 GW firmware version shall be updated to: 0x26330500