I purchased the red mangOH development kit and I can not connect to the network.
Of course, I made a complete registration according to the initial activation manual and also registered the SIM to the AirVantage site.
I send here the results of the messages presented to me:
root@swi-mdm9x28-wp:~# cm radio
Current Network Operator: Hot Mobile Ltd.
Current RAT: UMTS network (LE_MRC_RAT_UMTS)
Status: Registration was denied, usually because of invalid access credentials (LE_MRC_REG_DENIED)
Signal: Very strong signal strength (5)
PS: Packet Switched Not registered (LE_MRC_REG_NONE)
root@swi-mdm9x28-wp:~# cm sim info
Home Network Operator: JT
root@swi-mdm9x28-wp:~# cm data
PDP Type: IPV4
root@swi-mdm9x28-wp:~# cm data connect
Setting up profile 1
Setting access point name … ok
Setting packet data protocol … ok
Setting Authentication … ok
Connecting … failed
Tue Apr 2 07:57:55 UTC 2019 - Connection Failure: LE_FAULT
I ask for help on the subject, I can not find the right solutionsץ