Managing Dual Sim Cards On A Single Device - Acer DX900 User Manual

Managing Dual SIM Cards on a Single Device

You can have two numbers activated simultaneously on this device as if carrying
two cell phones. Every time you call out or send a message, you may choose the
network at the most economical rate while receiving with the other number
freely.
In Communication Manager, tap Phone1 or Phone2 icon to activate the SIM
card you have installed in the corresponding slot.
SIM1(3G) card slot is dedicated for SIM cards enabling data services over
cellular network. To use video call, web-browsing, MMS or E-mail services,
please install a 3G/GPRS compatible SIM card in this slot, and activate Phone1.
SIM2(2G) card slot allows only the GSM services like voice call, text messaging
and emergency number (in most countries)that your SIM card supports. To start
using it, install any 2G SIM (a 3G SIM card may do) in this slot and activate
Phone2.
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