Periodically Querying The Version; Reference Process; Troubleshooting - Huawei ME909u-523 Application Manual

HUAWEI ME909u-523 LTE LGA Module
Application Guide

15.5 Periodically Querying the Version

15.5.1 Reference Process

Command
AT^FOTAMODE=1,0,0,1,7
OK
^FOTASTATE: 11
^FOTASTATE:
12,12.815.01.04.00,79114,"Support
send sms background"

15.5.2 Troubleshooting

Scenario
Auto query is in
use.
Issue 04 (2014-12-08)
NOTE
Periodical query is based on either of the two timekeeping modes: network timekeeping or

local timekeeping. If network timekeeping is unavailable, local timekeeping is used. Local
timekeeping may not be accurate.
 Local timekeeping is affected by AT+CCLK command. Upon a power-off event, the CCLK
value changes to 1980. After you choose to use local timekeeping and change the CCLK
value, the query operation cannot be carried out at the correct time.
Possible Error
Information
No query operation is
initiated when the query
time arrives.
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FOTA Application Scenarios
Description
Configure FOTA mode as auto query, auto
download, auto upgrade, and resumable
data transfer enabled and the query cycle
to seven days.
The command is successfully executed.
The module automatically checks for
updates when the query time arrives.
Report that the query operation is in
process.
Report information about the new version.
Solution
1. Check if the FOTA state is idle.
If not, change the FOTA state to
idle by using the AT^FOTADL=0
command.
2. Check whether the PS data
service or IPSTACK service is
going on. If yes, terminate the
service.
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