HELP I accedentally deleted my launcher (no usb debug sim not working)

I deleted the launcher that came with the phone to save space because I had nova launcher installed, it is a mtk phone and I dont have recovery. It was acting up this morning so I did a factory reset, stupid Chinese mtk people decided not to put a setup on this thing so I am not signed into my google account, my sim is not activated and spflashtools cant see my phone i cant use mtkdroidtools as i use linux. PLEASE HELP