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Use the Stopwatch and Countdown
Touch the or tab in the Clock app to use the
countdown timer or the stopwatch.
Stopwatch allows you to record lap times, while countdown
timer allows you to set a time and count down to zero.
Backup and Restore
Touch Backup in the home screen. You can back up your user
data, such as contacts and messages, and installed
applications to the memory card regularly. If the data get lost,
restore it from the memory card.
Touch > Help to view detailed guide.
Calculator
Touch the Home key > > Calculator to use the phone’s
convenient built-in calculator for some basic as well as advanced
mathematical equations.
NOTE:
Slide left or right to switch between different panels.
Downloads
The Downloads app keeps a record of the files you have
downloaded using apps such as Browser or Email.