Explain your problem properly.
I can't run 4G
Only 4G? You have only one sim and you can't run 4G?
all way slow
sometime can't run all
You are not making any sense. Explain it properly. Do you have signal?
The isosceles triangle scale at the top right corner, the one that shows your devices signal strength.
It's more of a right angled triangle, but yeah, your point stands
Gamme OnePlus 7 : Avis et faites passer le mot.
by Vito B., 2019-06-17