Quectel EP06 - Product Concept; General Description

LTE-A Module Series
EP06&EG06&EM06 DFOTA User Guide
EP06&EG06&EM06_DFOTA_User_Guide 6 / 16
2 Firmware Upgrade Procedure via
DFOTA
The following chart illustrates the firmware upgrade procedure via DFOTA.
1. Get delta firmware package
FTP/HTTP(S)
Server
4. Automatically download
from FTP/HTTP(S) server via
LTE/WCDMA network
LTE/WCDMA/
(FTP/HTTP(S))
Ext.
MCU
Quectel
Module
2. Put the package on FTP/HTTP(S) server
3. Execute AT+QFOTADL
command
5. Automatically
upgrade the
module’s firmware
Figure 1: Firmware Upgrade Procedure via DFOTA