The best to all rsim user. plug and play ,perfect automatic 4G unlock-- RSIM12
https://www.youtube.com/watch?v=sIm1rczWvuE
Input 20 DIGITAL ICCID CODE
8901 0000 0000 0000 0011
all will ok after reboot the phone,Welcome order.
http://forum.gsmhosting.com/vbb/f819...sim12-2304539/