GPD XD comes with firmware preloaded with emulators and easy methods of downloading roms. In all honesty it is very noob friendly. Personally I prefer and suggest that all GPD XD users install LegacyRom and build up their device from the ground up. This tutorial is for those people that stay on the stock rom available from GPD.
I am going to try and answer the very popular question: "I just got my GPD XD Plus, what do I do now? ". I will try and break down the process down to basic steps that anyone can follow. Please feel free to give feedback here and any suggestions that could improve the tutorial.
Since the GPD WIN 2 has a fairly restrictive requirement that it only supports USB-C charging from USB PD devices at 12V, the overwhelming majority of PD chargers on the market will not work to charge the device. To make things easier and save people the time/effort/returns, here's a list of known working USB PD chargers for the GPD WIN 2.
SP flash tool is an application that will help you flash firmware, custom recoveries, and also helps fix devices that no longer boot up. This application is for Windows and Linux and will flash MediaTek Android devices.