Duotech electronics iphone 3g,3gs, iphone4 4gs unlocking service iPhone 3G, 3GS and latest iPhone 4 running iOS 4.1 with any baseband UNLOCKing service NOW AVAILABLE (previous firmware versions 3.x with baseband 05.11.07 or 05.12.01 we unlock those to iPhone warranty (unlock comes with the ability to remove itself should you need warranty claim) The iPhone is completely unlocked - every single feature works perfectly, 100%. Service comes with live, unlimited low-cost telephone support from our technicians from 10am to 6.30pm, Monday to Friday Always upgrade to latest firmware, with our support solution you simply update using iTunes - your iPhone remains unlocked. Other services are frequently weeks behind Apple's updates (if ever updated), and it's a real chore upgrading. Will unlock ANY iPhone (including 3GS and iPhone 4 4gs) to ANY network worldwide guaranteed - service delivered immediately electronically FREE SOFTWARE UPDATES We're always here to support the latest iPhone software unlocks