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energysistem.com
Your Phone allows you to use two SIM cards. In Settings > SIM Management, you can manage your SIM cards.
In this section you can set the default card to make or receive calls, send and receive text messages and data
connection. It also allows you to set your roaming network operator.
Bluetooth Setup
Your Phone has Bluetooth 4.0. To connect your device to any bluetooth device like headphones, PC, speakers, etc. go to
Settings > Bluetooth and turn the switch to the ON position. Once the search has finished, select the device to start the
connection.