Universal Twin Card

Universal Twin Card Functions Double SIM card select one network to work automatically after power on the mobile phone. If you want to use another network, please power off the mobile phone three seconds later than power on again (press#3370#to interchange SIM card for Nokia series) Instruction Installation 1There are many design on SIM card but have the sam logical criteria, the metal area cann not be damage (marker 1-6) 2 put the transparents sticker on the front of SIM card and cut the sticker by followed the dot line 3 install two SIM cards in the universal twin card and cover them with stainless steel plate 4 insert the unversal twin card to the mogbile phone and ready 5 if you want to resume the SIM card to original just insert the cultted SIM card into the resume car GSM AND CDMA available