User manual

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wear out, resulting in a poor connection to your cable.
2. Never force a connector into the port, for that might cause damage.
3.1.6. Headset jack
The headset jack is an audio socket that accepts a 3.5mm audio plug. Plug
your headset in the jack to listen to music, videos and phone calls. Do not
force a mismatched headset into the jack for that might cause damage.
3.1.7. SIM and SD cards
SIM card
* Insert the SIM card before turning on your phone. If you hold a new SIM card, you
might need to wait until it is activated by the carrier before you can use it.
A
SIM card is provided by your carrier and is used to activate your phone's
mobile network. Because it has a small amount of memory, the SIM card not
only enables communications between two persons, but stores information
such as phone numbers, security data and more. When using the mobile
network, you need to pay charges. To avoid high charges, you can shop data
plans with your carrier, or shop international data roaming plans when traveling
abroad.