Here is an on going list of AT commands common for use on the EM9191/EM9190/EM7690 that we have found for use during troubleshooting or customer interactions.
Full AT Command Manual: HERE
| Command Use | Command Syntax | Options / Notes |
| Enable access to password protected commands | AT!ENTERCND=”<password>” | common password is “A710” |
| Report modem operational status | AT!GSTATUS? | none |
| Customization Settings | AT!CUSTOM? | Query the current set list of customizations |
| AT!CUSTOM=? | Return a list of valid customization options | |
| AT!CUSTOM=”IPV6ENABLE”,0 | Turn off IPV6 ( “IPV6ENABLE”,1 to turn on IPV6) | |
| Check IMEI Number and general modem info | ATI | |
| Get Current SIM ICCID# | AT+CCID? | |
| Reset modem to factory defaults | AT!NVRESTORE=0 | AT!NVRESTORE=? (for command options) |
| Check Band locks | AT!BAND? | AT!BAND=? (For command options) |
| Set all bands to Open | AT!BAND=00 | zero zero |
