Root Need help changing apn

[Juicedaman555]

So ive been watching videos and my friend has did something that uses his phone data for a hotspot.. Ive tried and tried but my phone wont let me do it. I downloaded shortcut app. And do the zteps but when it comes to the part to change apn it said not found

 

[Juicedaman555]

So this is what shows up.