APN info ➜ AT+CGDCONT?;AT+CGDCONT?
APN setup ➜ AT+CGDCONT=1,”IP”,”internet”,””,0,0;AT+CGDCONT=1,”IP”,”internet”,””,0,0
APN apply ➜ AT+CGACT=1,1;AT+CGACT=1,1
Cell lock info ➜ AT+ZLOCKCELL?;AT+ZLOCKCELL?
Cell lock disabled ➜ AT+ZLOCKCELL=0;AT+ZLOCKCELL=0
Cell lock ➜ AT+ZLOCKCELL=earfcn_tag,pci_tag;AT+ZLOCKCELL=AAAA,BBB
Network mode info ➜ AT+ZSNT?;AT+ZSNT?
Prefer 4G (Blue LED blinks) ➜ AT+ZSNT=0,0,0;AT+ZSNT=0,0,0
4G/3G only ➜ AT+ZSNT=7,0,0;AT+ZSNT=7,0,0
4G only ➜ AT+ZSNT=6,0,0;AT+ZSNT=6,0,0
3G only (LED turns green) ➜ AT+ZSNT=2,0,0;AT+ZSNT=2,0,0
2G only (LED turns red) ➜ AT+ZSNT=1,0,0;AT+ZSNT=1,0,0
DL CA info ➜ AT+ZCAINFO?;AT+ZCAINFO?
UL CA info ➜ AT+ZULCA?;AT+ZULCA?
UL CA disabled ➜ AT+ZULCA=0;AT+ZULCA=0
UL CA enabled ➜ AT+ZULCA=1;AT+ZULCA=1
Locked band info ➜ AT+ZNLOCKBAND?;AT+ZNLOCKBAND?
Modem reboot ➜ AT+CFUN=1,1;AT+CFUN=1,1