GSM-Forum - View Single Post - How to upgrade iPhone 3GS from 4.1 to 4.2.1

.:.GSM-ANGEL.:. · 12-14-2010, 22:57

I have iPhone 3Gs with 4.1 and I have already updated my iPhone's baseband its now 06.15.00..

Now I want to update it to IOS 4.2.1, and want to keep same baseband... I don't know what will be my baseband after updating to 4.2.1, or it will unlockable or not..

well, tell me someboday please, how to update iPhone3Gs with baseband 5.15 to IOS 4.2.1..

12-14-2010, 22:57	#1 (permalink)
.:.GSM-ANGEL.:. Banned Join Date: Jun 2004 Location: GSM HEAVEN Age: 36 Posts: 329 Member: 69984 Status: Offline Thanks Meter: 170	How to upgrade iPhone 3GS from 4.1 to 4.2.1 I have iPhone 3Gs with 4.1 and I have already updated my iPhone's baseband its now 06.15.00.. Now I want to update it to IOS 4.2.1, and want to keep same baseband... I don't know what will be my baseband after updating to 4.2.1, or it will unlockable or not.. well, tell me someboday please, how to update iPhone3Gs with baseband 5.15 to IOS 4.2.1..