9151 not able to read sim card

hi support team,

customer is ordering sims from network supplier, and i got one sim card, but after testing i found this sim card can't be recognized.

here is the modem trace with 9151 modem firmware2.0.3,

and log shows:

LTE cell changed: Cell ID: -1, Tracking area: -1

if using serial_lte_modem, the log shows it is CEREG:90

please help to see if the trace can help.

trace-2025-12-25T07-23-33.022Z.mtrace

Regards,

William.

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