Problem to connect in LTE with Quectel EC25

IoT Modules LTE Standard Module
1

Hello, we are having a problem connecting with an EC25 module in LTE, it works well in GSM and UMTS/HSPA+ but when I force the connection in LTE the connection does not want to do this… Is it possible to completely reset the module?

When I force the command:
AT+COPS=1.2,“20810”,7

I get the error: “CME ERROR: 30”

The SIM card does not have a PIN code

2

Hi @iSi ，
Try changing the first parameter to: 0 and try again.
1: Manual search network.
2: Automatically search the network

3

here is the result of the command AT+COPS=0,2,“20810”,7

OK

+CREG: 2

+CREG: 1,“A771”,“3C5E855”,2