SIM Registraion Issue

Let me see. This got fixed. Now, facing the same issue after updating the firmware & MBPL drivers as well

ATi

Manufacturer: Sierra Wireless, Incorporated 
Model: MC7455B
Revision: SWI9X30C_02.38.00.00 rE3F3E55C03AE94 jenkins 2022/01/13 05:16:00
MEID: 35907206932248 
IMEI: 359072069322481
IMEI SV: 22
FSN: LQ101286830410 
+GCAP: +CGSM

OK
AT!uims?

!UIMS: 0

OK

AT+cpin?

+CPIN: READY

OK                                                                                                                                                                                                                                               

it shows the module can see the SIM card

Yes, now the issue is it’s not registering. After detection, it’s still on the searching mode

what is the return of the followings?

AT!ENTERCND="A710"
AT!IMPREF?
AT+CFUN?
AT!GSTATUS?
AT+CGDCONT?
AT!SELRAT?
AT!band?