Specification:
1,The world first dual sim card adaptor for iphone 3G, 3GS, twins card adaptor
2,No more carrying 2 phones around and no more misplacing of your sim cards, stay organized
3,a very simple put powerful STK menu to select default number for making calls, use any of the 2 numbers to make calls at any time and divert the primary number to receive calls on both numbers
4,Very simple operation, easy plug&play
5,STK menu
6,No need to cut your sim card
7, Work perfect wih 2mm silicone case

instruction:
1, enter your phone menu and select Q dual sim card, it shows:(refer to picture NO._
*SIM1
SIM2
Auto/SW
Setup
2, If you want your SIM Cards work separately, select SIM1 or SIM2 directly, (*)stands for choosing successfully
3, Select Auto/SW (*shows before it), then SIM1 and SIM2 will auto-switch online.
4, More functions under setup menu, the submenu will appear
SIM1 NO.
SIM2 NO.
SIM1 Time: 03
SIM2 Time: 03
5, Select and enter SIM1 No. or SIM2 No., you can edit card number within 11 words, then the edited numbers will be displayed on the screen istead of SIM1 or SIM2
6, Select and Enter SW time:03 for setting the auto-switching time between 0 and 99 minutes. The system default setting time is 3 minutes, and Max 99 minutes avaiable for setting the auto-switching time.
7, Language can be customized according to the requirements

King Of Double Card
1. FUNCTION:
(1) Switching on-line without turning on-off default selection function.
(2) No data lose for some mobile phones when switching 2 numbers or turning on-off
(3) Both of numbers on-line at any time
(4) Special card IC design compatible with all GSM mobile phone

2. INSTALLATION
(1) Put SIM card into king of double card then insert the steel chip
(2) Put general double card into mobile phone cardholder
(3) Put up battery and battery cove then power on and use availanle

GUAEANTY PERTOD
Six months of guaranty, Man-made fault, neglect of use shall not be covered in the guaranty