Operation Manual

AT-S3D Dual SIM Phone Manual
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Back of the mobile phone
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4. Preparation before Use
Install SIM Card
When registering mobile phone number, you can apply for two different phone
numbers, two different mobile phone network service providers and thus obtain
two SIM (Subscriber Identification Module) cards. With these two SIM cards, you
can use all functions of your mobile phone. The SIM cards save the parameters
needed for
 communications and personal data, including PIN (Personal
Identification Number) code, phonebook, short message and other extra system
services.
Warning: Do not distort or scratch the SIM card nor let it contact static, dust or
moisture.Ifitislost,pleasecontactimmediatelyyournetworkoperatorforhelp.
Before SIM card installation, please switch off the mobile phone. The SIM card is
installedonthebackofthemobilephone.
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Camera
Battery
BatteryBuckle