WiFi won't connect, brightness won't turn up, and phone keeps shutting
Hi
I recently purchased a iPhone 5 from a friend, not knowing that it was in this condition. The wifi won't connect like it won't let me talk it to turn it on or off, the brightness isn't work, I can have it turned all the way up but the screen is still dark, and it shuts off by itself. Please help me find the solution.
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