Launch Multiple Applications; Switch Sim Or Usim Cards - Samsung GT-S6102 Quick Start Manual

Launch multiple applications

Your device allows you to multi-task by running multiple
applications at the same time.
To launch multiple applications, press the Home key
while using an application to return to Idle mode, and
then select an application to launch.

Switch SIM or USIM cards

Once you insert two SIM or USIM cards, you can switch
back and forth between each card.
To switch between SIM or USIM cards, open the
notifications panel and select a SIM card icon, except
for when the device is sending or receiving messages or
data from the network.
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