Help Update .app question

[Samhoeven]

So i broke my phone deleted ebrything even the system but got everythig back except /system but i cant put it i place using pc recovery or twrp all i need is to now if i dont jave a os installed does trying to use a update .app work my pjoen is a ascend G7

 

[d320hax]

Perhaps learn to type first. Construct clear sentences. Don't need to be all fancy. Just keep it short and simple. Then message can be understood and phones break less.