HUAWEI ME909u-523 LTE LGA Module
Application Guide
Local Upgrade Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
81
Requirement of the AP
The AP is required to have 4 KB RAM at least (used to store the cache data). If AP
needs to support the full upgrade, AP FLASH memory must be larger than 80 MB
(the full size of ME909u-523 firmware upgrade files is 80 MB).
1. AP should be able to access and load the upgrade files.
2. AP should have a file transmission tool, this tool need to support 1K-Xmodem
protocol.
Finding the PCUI port on Android and Linux System
Step 1
Enter
/sys/bus/usb/drivers/option
, and look out the following types of folders.
Step 2
Enter these folders, and view the
bInterfaceProtocol
value.
If the
bInterfaceProtocol
value is
12
, the port is PCUI.
12.1.5
Reference Process
Command
Description
AT^FWLOAD=0
Start the full upgrade.
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