Problem with dropping connection with AT-CEER 6,258

IoT Modules LTE Standard Module
1

Hi,

I have a Problem with disconnections on a EG25 with the Error Code 6,258: EMM detached in the Czech Republic.
The Firmware is EG25GGBR07A08M2G

2

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I suggest you can change others operator’s SIM to check the status ,thanks