[PDF] GRI Test Method GM21

gm 21Network Data. View All. This website is hosted with CloudFlare, Inc., which reserves the following IP addresses for gm21.top: 104.21.57.37General Mobile’s GM 21 Plus is an upgraded version to the standard GM 21. The model has better CPU and slhtly better camera setup. It comes in a 6.53-inches screen with 720 x 1600 HD+ pixels resolution. Above the screen is a dewdrop