Detailed Description  Unlock sim card, Turbo sim card, Universal sim card,Turbo universal sim card, Unlock X-sim card, Alpha X-sim This newest magic I-smartphone SIM can make your Phone 3g 2.2 & 2.2.1 totally perfect functioned. On the basis of baseband 02.30.00. When you insert the SIM, and power on your mobile phone, which will show you the user guide. The Egde works perfect, no signal losing...It will get back automatically even signal lost.