1. Lub qhov muag ntawm lub pob ntseg pob ntseg pob ntseg chav kho mob
2, tsim nyog pov tseg ntawm pov tseg
3, pob ntseg, lub qhov ntswg thiab lub caj pas kev kho mob cov rooj accessories puas tiav?
4, pob ntseg, lub qhov ntswg thiab lub caj pas kev kho tsheb thauj mus los, kev teeb tsa, qhov chaw debugging
5, qhov kev nplij siab ntawm tus neeg mob thaum kho
6, xyuas qhov tseeb