Quectel EP06

LTE-A Module Series
EP06&EG06&EM06 DFOTA User Guide
EP06&EG06&EM06_DFOTA_User_Guide 3 / 16
Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 4
1 Introduction .......................................................................................................................................... 5
2 Firmware Upgrade Procedure via DFOTA ......................................................................................... 6
2.1. Get Delta Firmware Package .................................................................................................. 7
2.2. Put Delta Package on FTP/HTTP(S) Server ........................................................................... 7
2.3. Execute AT Command to Upgrade the Firmware ................................................................... 7
3 Description of DFOTA AT Commands ............................................................................................... 8
3.1. AT+QFOTADL=<ftpURL> Upgrade Firmware When Delta Package is Stored on an FTP
Server 8
3.2. AT+QFOTADL=<httpURL> Upgrade Firmware When Delta Package is Stored on an
HTTP(S) Server ................................................................................................................................... 10
3.3. AT+QFOTADL=<file_name> Upgrade Firmware When Delta Package is Stored on the
Local File System ................................................................................................................................. 11
4 Abnormalities and Important Note ................................................................................................... 13
4.1. Abnormalities ......................................................................................................................... 13
4.1.1. Wrong Delta Firmware Package ..................................................................... 13
4.1.2. Failure of Firmware Upgrade ........................................................................... 13
4.2. Important Note ....................................................................................................................... 14
5 Summary of Error Codes .................................................................................................................. 15
6 Appendix A References ..................................................................................................................... 16