doppio F1810 Manual - Page 12

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calculator:

 Press the up, down, left and right key to select ＋, －, ×, ÷ ,

respectively.

 Press left soft key to clear the figure.

 Press OK key to get the result.

STK

STK service is the tool kit of SIM card. This phone supports the

service function .The specific items are depended by SIM card and

network. Service menu will be auto added to the phone menu

when supported by network and SIM card.

1.11 Service

Users can access this menu to set Data connection SIM and Data

accounts.

1.12 Fun & Game

One game is embedded in this phone. For details, please refer to

the operation instructions of the game.

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