Answer to: WiFi Greyed out iOS 6.1.3Confirmed! YoloRepair's fix does work,just do it like He says "enough to get it hot but not too hot" I used a Hair Dryer. Thanks =)
Answer to: My iPhone 4 does not turn on or charge.I recommend replacing the Charging Port,it has worked for me before.
Answer to: No turning on unless plugged in!I have fixed a few iPhone 4's with this problem,very simple fix, just replace the battery and it should work. Good luck!
Answer to: iPhone 4s, turns off and then right back on by itselfI tried a few things but changing the charging port made the trick.