Introduction:The Dual SIM Adapter provides a way to switch between SIM cards without switching the iPhone4S/4 off which is handy for times when you want to use more data for example, or switch to a SIM card that has more text messages available.You can manage your private and business numbers without carrying 2 Phones around anymore.
Most cases are designed for the sole purpose of protecting a smartphone from getting scratched. This latest case for the iPhone4S/4 has a second function. That is to provide an area to hold a pair of SIM cards allowing the iPhone4S/4 to be used with dual SIM cards rather than a single SIM card.
Features:Brand new and high quality.
Easily to switch 2 SIM cards without turning off the phone.
No need to cut your SIM card.
Two numbers in one card (Most practical function design).
Special double modes function.
Invisible number - Temporary not connected function.
Extended support to multi SIM card.
Maintain Original SIM card STK menu function.
Two number auto switch on line, easily set the on line time.
Display the on line number in screen.
Keep Call records function.
Support GSM and 3G-USIM card.
Compatible with iPhone 4/4S
How to set-up your DUAL SIM adaptor:- Home ==> settings ==> Phone ==> SIM Applications: select your desire SIM card (If you don't want it to select SIM card for you when the signal is low, please don't select "auto/SW)
Note once you've chosen to another sim card, it will have a message "No SIM Card installed", please wait 1 or 2 minutes, it needs aound 1 ~ 2 minutes to search, during this time, "No SIM" will appear in the top right of your iphone's screen.
Package Included:1x iPhone4S/4 Dual SIM Adapter
1x Back Cover Case
NO Retail Box. Packed Safely in Bubble Bag.