LTE-A Module Series
EP06&EG06&EM06 DFOTA User Guide
EP06&EG06&EM06_DFOTA_User_Guide 8 / 16
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Description of DFOTA AT Commands
AT+QFOTADL command enables automatic firmware upgrade for the module via DFOTA. After executing
the command, the module will automatically download the package from FTP/HTTP(S) server, reboot
automatically and then enter into recovery mode. When the upgrade package is checked OK and the
firmware upgrade is successful, the module will reboot and enter into normal mode.
3.1. AT+QFOTADL=<ftpURL> Upgrade Firmware When Delta Package is
Stored on an FTP Server
If the delta firmware package is stored on an FTP server, AT+QFOTADL=<ftpURL> should be executed to
enable automatic firmware upgrade via DFOTA. Then the module will download the delta package from
the FTP server over the air and upgrade the firmware automatically.
AT+QFOTADL Upgrade Firmware via DOFTA
Test Command
AT+QFOTADL=?
Response
OK
AT+QFOTADL=<ftpURL> Upgrade Firmware When Delta Package is Stored on an
FTP Server
Write Command
AT+QFOTADL=<ftpURL>
Response
OK
+QIND: "FOTA","FTPSTART"
+QIND: "FOTA","FTPEND",<ftp_err>
+QIND: "FOTA","START"
+QIND: "FOTA","UPDATING",<percent>
+QIND: "FOTA","UPDATING",<percent>
...
+QIND: "FOTA","END",<err>
If there is any error, response:
ERROR
