X-SIM 4.18 released -T-mobile Germany 4s Supported -minor fix for 2G card support Austria ,Telenor Serbia carrier simcard supported and more.. X-SIM 4.17 released -More 2G and 3G+ SIM card supported -Stk Menu Fix in some 4s cariers X-sim 4.16ph Released -Fido Canada iOS6 Now Supported - modified phone algorithm for gsm+ 3g+ wcdma cards - Most of the 2g cards supported in this version too - added alarm on sim card compatibility ( more ring means simcard not supported ) Big Thanks to Scuot of Cebu for Test Unit