[Q] Android 4.2.2 Band Mode Locked

Hi, I have a cell phone Android 4.2.2, He use only GSM for mobile connection ect.
Is possible unlock umts connection? In EngineerMode -> BandMode -> Sim1 the Umts Mode options are locked... Is possible unlock them?

Screen is attached in this post.

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

Last post by zemmerich
11 minutes ago
Last post by alta87
1 hour ago
Last post by catherine.heller
4 hours ago
Last post by arnoldo37
2 hours ago
Last post by cwuckert
27 minutes ago
Last post by gbosco
49 minutes ago
Last post by drew99
2 hours ago
Last post by gulgowski.amya
1 hour ago