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.
101
15.10.2
Troubleshooting
Scenario
Possible Error
Information
Solution
An error message is
returned.
+CME ERROR: Previous
command is not
complete
Wait for the previous
command to be completely
executed.
An error message is
returned.
+CME ERROR: FOTA is
in collision state
1. Check whether the PS
data service or IPSTACK
service is going on.
2. Check that the FOTA
state is not
40
(download is
complete).
An error message is
returned.
ERROR
The command format is
incorrect. Please see the
latest version of
HUAWEI
ME909u-523 LTE LGA
Module AT Command
Interface Specification
.
The module reports an
upgrade failure.
^FOTASTATE:
80,<error_code>
The module automatically
changes the FOTA state to
idle and deletes the
downloaded file. You can
use the
AT^FOTADL=0
command to set the FOTA
state to idle manually. For
error codes, see the latest
version of
HUAWEI
ME909u-523 LTE LGA
Module AT Command
Interface Specification
.
15.11 Automatically Upgrading the Version
15.11.1
Reference Process
Command
Description
AT^FOTAMODE=0,1,1,1
Configure FOTA mode as auto
download and auto upgrade.
OK
AT^FOTADET
Check for upgrades.