How do I recover the EM7455 modem from “Unknown” system mode state. AT!GSTATUS? !GSTATUS: Current Time: 14401 Temperature: 39 Reset Counter: 2 Mode: ONLINE System mode: Unknown PS state: Not attached OK AT+COPS? +COPS: 0 AT+COPS=? ERROR AT+…

EM7455 "System mode: Unknown" Issue

Donald August 31, 2020, 7:15am 6

The issue is solved. Please help to tick “Solution”.

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EM7455 "Deregistered Attach Needed"