Here’s how to enable T-Mobile 3G/4G HSPA+ on your AT&T Galaxy Note SGH-i717. With this you will be able to fully use your AT&T Galaxy Note SGH-i717 on T-Mobile’s HSPA+ 3G/4G network and get voice with 3G/4G data.
In other words, T-Mobile users can now buy the AT&T Galaxy Note at full retail price, pop their SIM cards, and start using Galaxy Note fully.
Here’s a video demo of my T-Mobile SIM card with voice/data/3G/4G/HSPA+ working flawless on my AT&T Galaxy Note SGH-i717:
Before you begin, you will need: