this time the signal is better, does it work with previous SIM?
here is an example of setting lte B3 only for testing your personal sim:
at!band=13,"CUSTOMER",0000000000000000,0000000000000004,0000000000000000
OK
at!band=13
OK
at!band?
Index, Name, GW Band Mask L Band Mask TDS Band Mask
13, CUSTOMER, 0000000000000000 0000000000000004 0000000000000000
OK
ati3
Manufacturer: Sierra Wireless, Incorporated
Model: MC7455
Revision: SWI9X30C_02.38.00.00 rE3F3E55C03AE94 jenkins 2022/01/13 05:16:00
MEID: 35907206012345
ESN: 12800003752, 80000EA8
IMEI: 359072060012345
IMEI SV: 22
FSN: LQ530100512345
+GCAP: +CGSM
OK