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SD Card Download Process
Abstract
This document describes how to use SD download to upgrade Acer K5 images.
Upgrade Preparation
a.
Get new image file "image.zip" from vender.
b.
Unzip the image.zip will get a folder named as "image", and there should be 14 files in the folder.
c.
Copy the "image" folder into your SD card root directory.
d.
Insert SD card to phone device.
Upgrade Process
There are two ways to trigger SD download mode: Physical hot key and SW Hot key.
Physical hot key
a.
Remove the battery.
b.
Load the battery.
c.
"Press Volume +, Volume - and Power key together for one second, then keep pressing Volume - key and
release both keys immediately. Now system enter modem download mode." If successful, you will see the
indicating LED lighting on and blinking.
d.
In this phase, SD download is proceeding until download completed.
SW Hot key
a.
Remove the battery.
b.
Load the battery.
c.
Press the "Power key" to power on the phone device into Android system.
d.
Run the dial application and enter the number ##3131#.
e.
Click send button.
f.
System will reboot and enter SD download mode.
g.
In this phase, SD download is proceeding until download completed.
Chapter 2
12
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