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.
100
^FOTASTATE: 10
OK
Report that the operation to cancel the
download is complete. The FOTA state
is idle
.
15.9.2
Troubleshooting
None
15.10 Manually Upgrading the Version
15.10.1
Reference Process
Command
Description
AT^FOTASTATE?
^FOTASTATE: 40
OK
Report that the download is complete.
AT^FWUP
Run this command to manually start the
upgrade.
OK
^FOTASTATE: 50
^FOTASTATE: 90
The command is successfully executed.
Report that the upgrade starts. The module
restarts, and then starts the upgrade.
Report that the upgrade succeeds.
NOTE
The module restarts several times during the upgrade. Ensure that during this process, the
module is powered on. Do not send AT commands during the upgrade.
If the upgrade fails, the module enters forcible loading mode, you can perform any of the
following:
1. One-click upgrade from devices running Windows (full upgrade using the .exe file)
2. Upgrade from devices that run Android or Linux using
UpdateWizard
(full upgrade using
the .bin file)
3. Local upgrade no matter the host having the operation system or not (for details, see
chapter 12 .