Huawei ME909u-523 Application Manual page 89

HUAWEI ME909u-523 LTE LGA Module
Application Guide
Figure 15-2 FOTA data flow
Step 1: Consolidate the modules
information which firmwares need to be
upgraded and provide it to Huawei
FAE.
Step 2: After Huawei completes the
FOTA service provisioning, Huawei
FAE will inform customers that the FOTA
service is ready to launch.
Step 3: Customers inform their
application to start FOTA operation
through SMS or socket data command.
Step 4: HUAWEI FOTA server manager
provides the corresponding statics for
the FOTA service result.
NOTE
If the module is powered off during the firmware installing progress, after the module is
restarted, the firmware will resume installing at the last point.
AT command example (after customer application received SMS from HUAWEI FOTA
server or socket command to perform FOTA upgrade):
Command
AT+GMR
12.815.01.03.00
OK
AT^FOTACFG="1234","","",2
OK
AT^FOTAMODE=0,0,1,1
OK
AT^FOTASTATE?
^FOTASTATE: 10
Issue 04 (2014-12-08)
[1]
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
FOTA Application Scenarios
Module model,
IMEI, original FW
version, target FW
version, country
and location
Description
Query the module's software version.
Configure APN.
Set FOTA mode.
Indicate that the FOTA state is idle.
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