content: Which G3? I have a T-Mobile variant that came with a factory unlocked bootloader, though I understand many of the other variants (if not all of them) had locked bootloaders. EDIT: I've heard of quite a few people who ran the stock MM update on their G3s, which locked the bootloader again. I'm running Marshmallow myself, but I'm running a stock-based ROM (Fulmics) which I flashed through TWRP.