wifi wont turning on, sim card not read (even tho i have one inserted), air trigger wont work

[krakenss]

all these problems happens in in 2.5 years of use. i tried everything but none work. i tried to search online for the solution but everyones problem havent been solved yet and all of this happens after the update. what can i do to fix it?

[Kings]

I'm having the same issue too. Need help!