Hi,
Getting +CME ERROR: 921, Please help
[2024-08-22 06:58:44:329] +WDSI: 0
[2024-08-22 06:58:44:348]
[2024-08-22 06:58:44:355]
[2024-08-22 06:58:45:458] ATE1
[2024-08-22 06:58:45:472]
[2024-08-22 06:58:45:473] OK
[2024-08-22 06:58:45:577] Baudrate detected
[2024-08-22 06:58:45:590] >
[2024-08-22 06:58:45:601] >> Reading modem’s info
[2024-08-22 06:58:45:618] >
[2024-08-22 06:58:45:624] AT+KSLEEP=2
[2024-08-22 06:58:45:633]
[2024-08-22 06:58:45:640] OK
[2024-08-22 06:58:45:850] AT+KGSN=3
[2024-08-22 06:58:45:863]
[2024-08-22 06:58:45:885] +KGSN: VE937644510210
[2024-08-22 06:58:45:903]
[2024-08-22 06:58:45:904] OK
[2024-08-22 06:58:45:977] AT+KGSN=0
[2024-08-22 06:58:46:009]
[2024-08-22 06:58:46:019] +KGSN: 355465071902213
[2024-08-22 06:58:46:030]
[2024-08-22 06:58:46:031] OK
[2024-08-22 06:58:46:128] AT+CGMM
[2024-08-22 06:58:46:138]
[2024-08-22 06:58:46:145] HL7692
[2024-08-22 06:58:46:156]
[2024-08-22 06:58:46:167] OK
[2024-08-22 06:58:46:263] AT+CGMI
[2024-08-22 06:58:46:275]
[2024-08-22 06:58:46:285] Sierra Wireless
[2024-08-22 06:58:46:294]
[2024-08-22 06:58:46:295] OK
[2024-08-22 06:58:46:393] ATI3
[2024-08-22 06:58:46:407]
[2024-08-22 06:58:46:407] RHL769x.2.26.180400.201802141030.x7120m_1
[2024-08-22 06:58:46:419]
[2024-08-22 06:58:46:427] OK
[2024-08-22 06:58:46:523]
[2024-08-22 06:58:46:523] Manufacturer of modem: Sierra Wireless
[2024-08-22 06:58:46:541] Type of modem: HL7692
[2024-08-22 06:58:46:543] Modem firmware version: RHL769x.2.26.180400.201802141030.x7120m_1
[2024-08-22 06:58:46:568] IMEI: 355465071902213
[2024-08-22 06:58:46:570] Serial number: VE937644510210
[2024-08-22 06:58:46:571]
[2024-08-22 06:58:46:581] >
[2024-08-22 06:58:46:586] >> Reading SIM’s info
[2024-08-22 06:58:46:600] >
[2024-08-22 06:58:46:623] > Waiting for complete initialization of the modem (+PBREADY)
[2024-08-22 06:58:50:178]
[2024-08-22 06:58:50:194] +SIM: 1
[2024-08-22 06:58:50:279]
[2024-08-22 06:58:50:295] +KSUP: 0
[2024-08-22 06:59:08:773]
[2024-08-22 06:59:08:774] +PBREADY
[2024-08-22 06:59:08:798] AT+CIMI
[2024-08-22 06:59:08:800]
[2024-08-22 06:59:08:803] 404310693878713
[2024-08-22 06:59:08:816]
[2024-08-22 06:59:08:818] OK
[2024-08-22 06:59:08:912] AT+CCID
[2024-08-22 06:59:08:927]
[2024-08-22 06:59:08:938] +CCID: 8991000907755680871
[2024-08-22 06:59:08:938]
[2024-08-22 06:59:08:951] OK
[2024-08-22 06:59:09:048] AT+CPIN?
[2024-08-22 06:59:09:070]
[2024-08-22 06:59:09:087] +CPIN: READY
[2024-08-22 06:59:09:088]
[2024-08-22 06:59:09:088] OK
[2024-08-22 06:59:09:179] AT+CNUM
[2024-08-22 06:59:09:198]
[2024-08-22 06:59:09:218] OK
[2024-08-22 06:59:09:407] SIM’s MCC: 404
[2024-08-22 06:59:09:431] SIM’s MNC: 31
[2024-08-22 06:59:09:435] SIM’s CCID: 8991000907755680871
[2024-08-22 06:59:09:453] SIM’s CIMI: 404310693878713
[2024-08-22 06:59:09:457] SIM’s PIN: READY
[2024-08-22 06:59:09:484] >
[2024-08-22 06:59:09:486] >> Basic configuration of the modem
[2024-08-22 06:59:09:498] >
[2024-08-22 06:59:10:493] ATE1
[2024-08-22 06:59:10:518]
[2024-08-22 06:59:10:535] OK
[2024-08-22 06:59:10:619] ATZ
[2024-08-22 06:59:10:641]
[2024-08-22 06:59:10:642] OK
[2024-08-22 06:59:11:837] AT+KSLEEP=2
[2024-08-22 06:59:11:854]
[2024-08-22 06:59:11:863] OK
[2024-08-22 06:59:12:058] AT&D0
[2024-08-22 06:59:12:074]
[2024-08-22 06:59:12:085] OK
[2024-08-22 06:59:12:277] AT&K3
[2024-08-22 06:59:12:298]
[2024-08-22 06:59:12:299] OK
[2024-08-22 06:59:12:608] AT+CPMS=“ME”,“ME”,“ME”
[2024-08-22 06:59:12:620]
[2024-08-22 06:59:12:630] +CPMS: 0,32,0,32,0,32
[2024-08-22 06:59:12:631]
[2024-08-22 06:59:12:632] OK
[2024-08-22 06:59:12:838] AT+CMGF=1
[2024-08-22 06:59:12:850]
[2024-08-22 06:59:12:858] OK
[2024-08-22 06:59:13:058] AT+CMEE=1
[2024-08-22 06:59:13:071]
[2024-08-22 06:59:13:078] OK
[2024-08-22 06:59:13:282] AT+KSREP=1
[2024-08-22 06:59:13:288]
[2024-08-22 06:59:13:298] OK
[2024-08-22 06:59:13:504] AT+KAAT=1
[2024-08-22 06:59:13:521]
[2024-08-22 06:59:13:523] OK
[2024-08-22 06:59:13:728] AT+WMANTSEL?
[2024-08-22 06:59:13:749]
[2024-08-22 06:59:13:764] +WMANTSEL: 0
[2024-08-22 06:59:13:766]
[2024-08-22 06:59:13:766] OK
[2024-08-22 06:59:13:957] AT+CGREG=1
[2024-08-22 06:59:13:972]
[2024-08-22 06:59:13:979] OK
[2024-08-22 06:59:14:184] AT+CNMI=2,1,0,0,0
[2024-08-22 06:59:14:189]
[2024-08-22 06:59:14:202] OK
[2024-08-22 06:59:14:403] AT+COPS=3,2
[2024-08-22 06:59:14:422]
[2024-08-22 06:59:14:434] OK
[2024-08-22 06:59:14:622] AT+WDSI=1023
[2024-08-22 06:59:14:637]
[2024-08-22 06:59:14:643] OK
[2024-08-22 06:59:14:848] AT&W
[2024-08-22 06:59:14:867]
[2024-08-22 06:59:14:869] OK
[2024-08-22 06:59:15:064] >
[2024-08-22 06:59:15:074] >> Searching for and configuring APN
[2024-08-22 06:59:15:092] >
[2024-08-22 06:59:15:109] New SIM CCID detected or first boot up, initializing APN search
[2024-08-22 06:59:15:142] AT+CGDCONT=1,“IPV4V6”,“airtelgprs.com”
[2024-08-22 06:59:15:143]
[2024-08-22 06:59:15:143] OK
[2024-08-22 06:59:15:348] AT+CFUN=1,1
[2024-08-22 06:59:15:361]
[2024-08-22 06:59:15:364] OK
[2024-08-22 06:59:15:563] > Waiting for complete initialization of the modem (+PBREADY)
[2024-08-22 06:59:15:584]
[2024-08-22 06:59:15:598] +CGREG: 0
[2024-08-22 06:59:20:673]
[2024-08-22 06:59:20:693] +CGREG: 2
[2024-08-22 06:59:20:693]
[2024-08-22 06:59:20:694] +WDSI: 0
[2024-08-22 06:59:22:187]
[2024-08-22 06:59:22:204] +CGREG: 1
[2024-08-22 06:59:26:525]
[2024-08-22 06:59:26:541] +SIM: 1
[2024-08-22 06:59:26:624]
[2024-08-22 06:59:26:639] +KSUP: 0
[2024-08-22 06:59:26:997]
[2024-08-22 06:59:27:007] +PBREADY
[2024-08-22 06:59:27:018] AT+WDSS=1,0
[2024-08-22 06:59:27:027]
[2024-08-22 06:59:27:028] OK
[2024-08-22 06:59:27:233] AT+CGACT?
[2024-08-22 06:59:27:253]
[2024-08-22 06:59:27:253] +CGACT: 1,1
[2024-08-22 06:59:27:254]
[2024-08-22 06:59:27:271] OK
[2024-08-22 06:59:27:462] AT+CGACT=0,1
[2024-08-22 06:59:27:548]
[2024-08-22 06:59:27:562] +CGREG: 0
[2024-08-22 06:59:27:564]
[2024-08-22 06:59:27:566] OK
[2024-08-22 06:59:27:778] AT+CGDCONT=1,“IPV4V6”,“airtelgprs.com”
[2024-08-22 06:59:27:785]
[2024-08-22 06:59:27:803] OK
[2024-08-22 06:59:28:004] AT+KCNXCFG=1,“GPRS”,“airtelgprs.com”,“”,“”
[2024-08-22 06:59:28:024]
[2024-08-22 06:59:28:040] OK
[2024-08-22 06:59:28:224] > Waiting for registration in the network (+CGREG: 1 or +CGREG: 5)
[2024-08-22 06:59:28:246]
[2024-08-22 06:59:28:249] +CGREG: 1
[2024-08-22 06:59:28:449] AT+CSQ
[2024-08-22 06:59:28:467]
[2024-08-22 06:59:28:469] +CSQ: 17,2
[2024-08-22 06:59:28:470]
[2024-08-22 06:59:28:471] OK
[2024-08-22 06:59:28:578] AT+COPS?
[2024-08-22 06:59:28:600]
[2024-08-22 06:59:28:616] +COPS: 0,2,“40551”,7
[2024-08-22 06:59:28:618]
[2024-08-22 06:59:28:619] OK
[2024-08-22 06:59:28:709] AT+COPS?
[2024-08-22 06:59:28:734]
[2024-08-22 06:59:28:735] +COPS: 0,2,“40551”,7
[2024-08-22 06:59:28:737]
[2024-08-22 06:59:28:739] OK
[2024-08-22 06:59:28:842] AT+KBND?
[2024-08-22 06:59:28:858]
[2024-08-22 06:59:28:858] +KBND: 00001000
[2024-08-22 06:59:28:868]
[2024-08-22 06:59:28:877] OK
[2024-08-22 06:59:29:072] AT+WDSS?
[2024-08-22 06:59:29:083]
[2024-08-22 06:59:29:093] +WDSS: 0,“airtelgprs.com”,1
[2024-08-22 06:59:29:102] +WDSS: 1,0
[2024-08-22 06:59:29:102]
[2024-08-22 06:59:29:103] OK
[2024-08-22 06:59:29:314] AT+CGATT?
[2024-08-22 06:59:29:334]
[2024-08-22 06:59:29:349] +CGATT: 1
[2024-08-22 06:59:29:351]
[2024-08-22 06:59:29:352] OK
[2024-08-22 06:59:29:543] AT+KCNXTIMER=1,30,3
[2024-08-22 06:59:30:151]
[2024-08-22 06:59:30:151] OK
[2024-08-22 06:59:30:153] AT+KCNXUP=1
[2024-08-22 06:59:30:153]
[2024-08-22 06:59:30:154] OK
[2024-08-22 06:59:30:155]
[2024-08-22 06:59:30:155] +KCNX_IND: 1,4,1
[2024-08-22 06:59:30:156]
[2024-08-22 06:59:30:156] +KCNX_IND: 1,1,0
[2024-08-22 06:59:30:157] AT+CGDCONT?
[2024-08-22 06:59:30:158]
[2024-08-22 06:59:30:159] +CGDCONT: 1,“IPV4V6”,“airtelgprs.com”,“”,0,0,0,0,0,0
[2024-08-22 06:59:30:161]
[2024-08-22 06:59:30:161] OK
[2024-08-22 06:59:30:245] AT+CGPADDR=1
[2024-08-22 06:59:30:264]
[2024-08-22 06:59:30:283] +CGPADDR: 1,“100.119.192.127”,“FE80:0:0:0:554F:1E4C:CF0F:2850”
[2024-08-22 06:59:30:285]
[2024-08-22 06:59:30:286] OK
[2024-08-22 06:59:30:469] > IP assigned by network: 100.119.192.127
[2024-08-22 06:59:30:495] AT+KCNXDOWN=1,1
[2024-08-22 06:59:30:501]
[2024-08-22 06:59:30:501] OK
[2024-08-22 06:59:35:703] >
[2024-08-22 06:59:35:715] >> Starting bearer for communication
[2024-08-22 06:59:35:739] >
[2024-08-22 06:59:35:757]
[2024-08-22 06:59:35:758] +KCNX_IND: 1,0,0
[2024-08-22 06:59:39:162]
[2024-08-22 06:59:39:162] +CGREG: 2
[2024-08-22 06:59:39:196]
[2024-08-22 06:59:39:197] +WDSI: 0
[2024-08-22 06:59:40:948]
[2024-08-22 06:59:40:948] +CGREG: 1
[2024-08-22 06:59:40:975]
[2024-08-22 06:59:40:975]
[2024-08-22 06:59:41:073] AT+CEER
[2024-08-22 06:59:41:096]
[2024-08-22 06:59:41:099] +CEER: “No report available”
[2024-08-22 06:59:41:101]
[2024-08-22 06:59:41:117] OK
[2024-08-22 06:59:41:309] AT+WDSS?
[2024-08-22 06:59:41:330]
[2024-08-22 06:59:41:347] +WDSS: 0,“airtelgprs.com”,1
[2024-08-22 06:59:41:348] +WDSS: 1,0
[2024-08-22 06:59:41:351]
[2024-08-22 06:59:41:354] OK
[2024-08-22 06:59:41:543] AT+CGATT?
[2024-08-22 06:59:41:565]
[2024-08-22 06:59:41:585] +CGATT: 1
[2024-08-22 06:59:41:588]
[2024-08-22 06:59:41:589] OK
[2024-08-22 06:59:41:778] AT+KCNXTIMER=1,30,3
[2024-08-22 06:59:41:799]
[2024-08-22 06:59:41:815] OK
[2024-08-22 06:59:42:003] AT+KCNXUP=1
[2024-08-22 06:59:42:024]
[2024-08-22 06:59:42:042] +CME ERROR: 921
[2024-08-22 06:59:42:223] AT+CEER
[2024-08-22 06:59:42:234]
[2024-08-22 06:59:42:250] +CEER: “No report available”
[2024-08-22 06:59:42:266]
[2024-08-22 06:59:42:266] OK