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.
94
^FOTASTATE: 10
OK
Indicate that the FOTA state is idle.
AT^FOTADET
Check for updates after deleting the
new version on the server.
OK
^FOTASTATE: 11
^FOTASTATE: 14
Report that no new version is found.
NOTE
Version detection is allowed only if the FOTA state is idle.
If the module is undergoing the PS data service or IPSTACK service, the FOTA service
cannot be initiated, including version detection, download, and upgrade.
The parameter
<description>
of the ^FOTASTATE command is a string composed of
ASCII characters. This parameter is used to describe the changed items (corresponding to
the feature items in
changelog.xml
in the upgrade package) of the new version. The
parameter contains a maximum of five records, each containing up to 255 characters.
Records are separated by semicolon.
15.4.2
Troubleshooting
Scenario
Possible Error
Information
Solution
An error message is
returned.
+CME ERROR: FOTA is
in collision state
Check whether the PS data
service or IPSTACK service
is going on, or use
AT^FOTASTATE?
command to check whether
the FOTA state is idle.
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: SIM PIN
required
Use the PIN to unlock the
SIM card.
The module reports a
query failure.
^FOTASTATE:
13,<error_code>
Upon a query failure, the
module restores the FOTA
state to idle and deletes the
downloaded files. For error
codes, see the latest
version of
HUAWEI
ME909u-523 LTE LGA
Module AT Command
Interface Specification
.