User Guide

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SIP account is registered
Missed call
uploading
4.2.1. Using The Touchscreen
 Tap
To select items on the screen (e.g., setting options, apps); to press
onscreen buttons; to type letters and symbols using the onscreen
keyboard.
 Touch and Hold
Touch the item on the screen and hold it without lifting your finger from
the screen till an action occurs.
For example, touch and hold on a picture to bring up operation options.