@mouadhada
Have you tried this? Fixed it for my DM820
I am trying to do it on DM920. It is not working but I have those logs :
eb 05 23:03:13: INFO: Starting Astra SM 0.2
Feb 05 23:03:24: DEBUG: [http_server 0.0.0.0:9999] client connected 127.0.0.1:9999 (1 clients)
Feb 05 23:03:25: ERROR: [Abertis PID 8001 #1] Bitrate:0Kbit/s PES:0 CC:0
Feb 05 23:03:26: ERROR: [Abertis PID 8001 #1] Bitrate:0Kbit/s PES:0 CC:0
Feb 05 23:03:27: ERROR: [Abertis PID 8001 #1] Bitrate:0Kbit/s PES:0 CC:0
Feb 05 23:03:28: ERROR: [Abertis PID 8001 #1] Bitrate:0Kbit/s PES:0 CC:0
Feb 05 23:03:28: ERROR: [Abertis PID 8001] Failed to switch to reserve
Feb 05 23:03:34: ERROR: [http_request localhost:8001/1:0:1:3E9:EA62:0:CE4B157:0:0:0:] receiving timeout
Feb 05 23:03:49: ERROR: [http_request localhost:8001/1:0:1:3E9:EA62:0:CE4B157:0:0:0:] receiving timeout
Have you tried this? Fixed it for my DM820