Signal Quality ➜ AT+CSQ?;AT+CSQ?
Debug Information/Cell Information ➜ AT^DEBUG?;AT^DEBUG?
General System Firmware Information and IMEI ➜ ATI;ATI
Check Detailed Firmware Version ➜ AT^VERSION?;AT^VERSION?
Check Customer Mode ➜ AT^CUSTOMER?;AT^CUSTOMER?
Carrier Aggregation Info ➜ AT^CA_INFO?;AT^CA_INFO?
Check Enabled Bands ➜ AT^BAND_PREF_EXT?;AT^BAND_PREF_EXT?

Check RAT Mode Preferences ➜ AT+COPS?;AT+COPS?
Set automatic RAT selection mode ➜ AT+COPS=0,0;AT+COPS=0,0
Set LTE only RAT ➜ AT+COPS=1,2,"22288",7;AT+COPS=1,2,"22288",7
Set LTE+5G RAT ➜ AT+COPS=1,2,"22288",13;AT+COPS=1,2,"22288",13

Enable LTE B3 only ➜ AT^BAND_PREF_EXT=LTE,2,3;AT^BAND_PREF_EXT=LTE,2,3
Enable LTE Bands 1+3+7+20 ➜ AT^BAND_PREF_EXT=LTE,2,1:3:7:20;AT^BAND_PREF_EXT=LTE,2,1:3:7:20
Enable LTE Bands 1+3+7+38 ➜ AT^BAND_PREF_EXT=LTE,2,1:3:7:38;AT^BAND_PREF_EXT=LTE,2,1:3:7:38
Disable LTE Bands 20 and 28 ➜ AT^BAND_PREF_EXT=LTE,1,20:28

Enable NR5G Band 78 only ➜ AT^BAND_PREF_EXT=NR5G_NSA,2,78;AT^BAND_PREF_EXT=NR5G_NSA,2,78;
Disable NR5G Bands ➜ AT^BAND_PREF_EXT=NR5G_NSA,2,71;AT^BAND_PREF_EXT=NR5G_NSA,2,71;
Set both NR5G_NSA and NR5G_SA Modes ➜ AT^NR5G_MODE=0;AT^NR5G_MODE=0
Set NR5G_NSA Mode only ➜ AT^NR5G_MODE=1;AT^NR5G_MODE=1
Set NR5G_SA Mode only ➜ AT^NR5G_MODE=2;AT^NR5G_MODE=2

Check Cell Lock Configuration ➜ AT^LTE_LOCK?;AT^LTE_LOCK?
Lock B3 (EARFCN 1650) with PCI 28 ➜ AT^LTE_LOCK=28,1650;AT^LTE_LOCK=28,1650

Display Neighbour Cell RSRP Info ➜ AT+VZWRSRP?;AT+VZWRSRP?
Display Neighbour Cell RSRQ Info ➜ AT+VZWRSRQ?;AT+VZWRSRQ?
Check APN Configuration ➜ AT+CGDCONT?;AT+CGDCONT?
Check APN Configuration ➜ AT+VZWAPNE?;AT+VZWAPNE?
Check Modem Temperature ➜ AT^TEMP?;AT^TEMP?

Restore Default Bands ➜ AT^BAND_PREF;AT^BAND_PREF
Reboot Modem ➜ AT+RESET;AT+RESET