LTE Module Series
BG96 DFOTA User Guide
BG96_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 HTTP(S) Server ...................................................................................... 7
2.3. Check APN Setting...................................................................................................................... 7
2.4. Check Network Status ................................................................................................................. 8
2.5. Execute AT Command to Upgrade the Firmware ....................................................................... 8
3 Description of DFOTA AT Commands ............................................................................................... 9
3.1. AT+QFOTADL=<httpURL> Upgrade Firmware When Delta Package is Stored on HTTP(S)
Server ................................................................................................................................................... 9
3.2. AT+QFOTADL=<para> Upgrade Firmware When Delta Package is Stored in Local File
System ................................................................................................................................................. 11
4 Examples ............................................................................................................................................ 13
4.1. Upgrade Firmware from HTTPS Server by DFOTA ................................................................. 13
4.2. Upgrade Firmware from Local File System by DFOTA ............................................................ 14
5 Summary of Error Codes .................................................................................................................. 15
6 Appendix A References ..................................................................................................................... 16