Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 215 / 231
14.6. Summary of CMS ERROR Codes
Final result code +CMS ERROR: <err> indicates an error related to mobile equipment or network. The
operation is similar to ERROR result code. None of the following commands in the same command line is
executed. Neither ERROR nor OK result code shall be returned.
<err> values are mostly used by common message commands:
Table 12: Different Coding Schemes of +CMS ERROR: <err>
Code of <err>
Meaning
300
ME failure
301
SMS ME reserved
302
Operation not allowed
303
Operation not supported
304
Invalid PDU mode
305
Invalid text mode
310
SIM not inserted
311
SIM pin necessary
312
PH SIM pin necessary
313
SIM failure
314
SIM busy
315
SIM wrong
316
SIM PUK required
317
SIM PIN2 required
318
SIM PUK2 required
320
Memory failure
321
Invalid memory index