Huawei MU609 - Page 139

HUAWEI MU609 HSPA LGA Module
Application Guide
Local Upgrade Application Scenarios
Issue 02 (2013-09-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
139
Requirement of the AP
The AP is required to have 4KB RAM at least (used to store the cache data). If AP
only needs to support the increment upgrade, AP FLASH memory must be larger
than 1 MB. If AP needs to support the full upgrade, or both the increment upgrade
and the full upgrade, AP FLASH memory must be larger than 22 MB. (The full size of
MU609 firmware upgrade files is 22 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.