It is important to clarify what "without box" means in the context of Z3X.
That said, if you already have a (a full eMMC binary dump taken earlier with the box), you can: z3x easy jtag emmc file manager without box upd
: If you're looking to update the tool or its capabilities without a box (directly through software), check the official Z3X website for software updates and follow their instructions. Sometimes, updates come in the form of new software versions that add features or fix bugs. It is important to clarify what "without box"