Operation Manual
AT-S3D Dual SIM Phone Manual
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IMEI
InternationalMobileEquipmentIdentitynumber.Switchoffthemobilephoneand
takeoffthebattery,thenyouwillseethelabelwithsuchnumberonthebackofthe
mobilephone.Also,this numberissavedinthe mobile phone.After switch‐on,in
standbystate,input“*#06#”todisplay
it.
6. Basic Operation
Switchon
Hold the switch‐on/off key to switch on the mobile phone. If two SIM cards are
inserted,after theswitch‐oncartoonisoff,there willbe SIM card listselectionand
youcanchoosethedesiredswitch‐onmodeasperyouractualdemand.Afterthat,
the mobile
phone will remind you of “set as default” (i.e. when default is set, for
nextswitch‐on,therewillbenoSIMcardlistselection.FollowPhoneSettings‐>SIM
CardListtosetandcancelsuchfunction).IftheSIMcardandmobilephonedonot
setwithpasswordprotection,
thenthemobilephonewillenterthestandbymenuto
search network. After the mobile phone is registered to the network, the network
operatornamewilloccuronthescreen.Insuchcase,youcandialorreceiveacall.
Afterswitch‐on,ifthe mobilephonehints“InsertSIMcard”,
switchoff the mobile
phoneandcheckiftheSIMcardisinstalledorinstalledproperly.
After insert SIM card, the mobile phone will automatically check the SIM card
availability, and then it will be shown information as following on the display by
sequence:
1.“Inputphonepassword”——Ifyouhave
setthepassword.
2.“InputPIN”——IfyousetSIMcardpassword.
3.“Noservice”—Indicatesfailtomakeregisterandcannotmakeanycalls.
4. “Emergency calls only”—indicates has registered to other network and only
canmakecallto112.
5. “Searching”—the mobile phone is searching network until find appropriate
network;
6.“CMCCorCHN‐CU”—Indicatesnetworksuccessfullyregistered.