HUAWEI ME909u-523 LTE LGA Module
Application Guide
FOTA Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
98
15.7 Automatically Downloading the Firmware
15.7.1
Reference Process
Command
Description
AT^FOTAMODE=0,1,0,1
Configure auto download mode.
OK
AT^FOTADET
Run this command to manually check
for upgrades.
OK
^FOTASTATE: 11
^FOTASTATE:
12,12.815.01.01.00,79102,"Support
send sms background"
^FOTASTATE: 30
^FOTASTATE: 40
Report that the query operation is in
process.
Report that a new version is found and
information about the new version.
Automatically download the new version
and reports that the download is in
process.
Report that the version is completely
downloaded and passes the MD5
verification.
15.7.2
Troubleshooting
None
15.8 Using the Resumable Data Transfer Function
15.8.1
Reference Process
Command
Description
AT^FOTAMODE=0,0,0,1
Enable resumable data transfer.
OK
AT^FOTASTATE?
Query the FOTA state.
^FOTASTATE: 31
OK
Indicate that the download is pending.
AT^FOTADL=1
Resume the transmission from the
break point.