AT+YZAPN=<apn>,<username>,<password>

example: AT+YZAPN= wlapn.com,password

example: AT+YZAPN= wlapn.com



AT+APN=214028,<apn>,<username>,<password>

example: AT+APN=214028,wlapn.com, password

example : AT+APN=214028,wlapn.com