[GUIDE] Set up Verizon Galaxy S3 as World GSM Phone (confirmed working)
Thanks to Beemer533 for informing me that I can use Titanium Backup Pro (which I have always had) to set APN Manager Pro as a system app, I have a revised and simplified method for this process. But I need someone to test and see if the steps work correctly, as I am no longer overseas to test. If you can, follow the steps in section A and B (and C if you can) and let me know if this all works OK...especially if there are no phone call out problems. If I can get working confirmation, I will modify the OP to reflect this process. Let me know where you are, and who your provider is. THANKS!!!! A: Preliminary steps that were done before leaving the US: a1 – From Google Play store install the following apps if you do not have them: APN Manager Pro (81 Square), Phone Info (sc@taiwan), Titanium Backup Pro , ES File Explorer and Open Signal Maps. You may have to pay a few bucks for some of these pro versions, but they are required. a2 – In Titanium Backup Pro, go to Backup/Restore, fin...