Operation Manual

AT-S3D Dual SIM Phone Manual
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FollowthefollowingdiagramtoinstalltheSIMcard.
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Note: As the SIM card is small object, keep it out of children’s touch or prevent
childrengulpingit!
PIN & PUK codes of your SIM cards
SIM1P1NCode
It is the personal identification number used to enter SIM1 and able to prevent
othersusingSIM1withoutpermission.IfthemobilephonehasactivatedtheSIM1
PIN1 code protection, when the mobile phone is switched on, the screen will
display“Input SIM1PIN”.In the
 process ofinputting SIM1PIN1 code,the screen
willuse[*]torepresenttheinputcontent.WhileobtainingSIM1,youcanobtainits
SIMcard1
SIMcard2