華
碩
電
腦
華
碩
電
腦
4. DOWNLOAD PROCEDURE
4.1 Introduction
When the handset updates the software, we need to download the
software and data into the NAND flash. The download path is built
up by the USB to Serial port download cable.
4.2 Operation procedure
1. Set up the power supply voltage and current at 4V and 1A. Connect to
the battery connector positive and negative of the handset.
2. Press the POWER ON Key and Down button. The handset would
power up and enter the download mode.
Down button
TSD ■ Lv3Lv4 Repair Manual
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Power on key
ASUS Proprietary