What Baseband Support Free Unlocking For iPhone 4

When your update iPhone 4 to iOS to higher version baseband in your Device will change
but user need to keep update information posible to carrier unlock signal at that moment
for baseband can free unlock solution support under here

1. Sam unlock support iPhone 4 Baseband 4.12.05, 4.12.01/02 and 4.11.08

2. Ultrasn0w Tool unlock Support  iPhone 4 Baseband 1.59.00

3. Gevey SIM unlock iPhone 4 Support Baseband 3.10.01, 2.10.01 and 4.10.01