Manual Sunstech uSUN 250 (page 4 of 226) (English, French, Portuguese, Spanish)

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1 . Appearance and Keypad Operations

Keys Functions

home

z Press this button to return home from any

application or interface.

z Press it to open recently opened applications

window.

z Press it to start the menu，which allows you to

perform actions in the current interface or options’

menu.

back

z Press it to return to the previous interface，or to

close dialog box 、options’ menu、notification panel

or the keypad.

power

z Press it to open the phone’s menu，then you

could choose to lock the screen、turn off the phone，

or put it to the silent mode.

z Press it to increase the volume

z Press it to put the phone in vibration mode from

silent mode.

down z Press it to decrease the volume.

P-Serson

z Cover it, and then the phone’s backlight will turn

off

front

camera

z Entering the camera interface, switched to the

front camera can take a photo of yourself.

2. Using Memory Card as U Disk

If you want to send music, pictures or other files to the phone’s

memory card from the computer，you should set memory card as u

disk first.

Set memory card as u disk

1) Connect the phone to the computer with USB cable. The

notification icon will appear in the status box.

2) Use USB mobile transmission line will connected to the

computer

3) In the notification panel, touch USB is connected ，then touch

“Open the USB Storage Device”

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Sunstech uSUN 250 Manual

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