HUAWEI ME909u-523 LTE LGA Module
Application Guide
15.10.2 Troubleshooting
Scenario
An error message is
returned.
An error message is
returned.
An error message is
returned.
The module reports an
upgrade failure.
15.11 Automatically Upgrading the Version
15.11.1 Reference Process
Command
AT^FOTAMODE=0,1,1,1
OK
AT^FOTADET
Issue 04 (2014-12-08)
Possible Error
Information
+CME ERROR: Previous
command is not
complete
+CME ERROR: FOTA is
in collision state
ERROR
^FOTASTATE:
80,<error_code>
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FOTA Application Scenarios
Solution
Wait for the previous
command to be completely
executed.
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).
The command format is
incorrect. Please see the
latest version of
ME909u-523 LTE LGA
Module AT Command
Interface
Specification.
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
ME909u-523 LTE LGA
Module AT Command
Interface
Specification.
Description
Configure FOTA mode as auto
download and auto upgrade.
Check for upgrades.
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