Can I Fix Speaker Button Greyed out on iPhone by following steps? I got some tips from my friend would it work? To fix it out I need go through some steps.
  1. You need to make sure your iPhone is not silent,
  2. Then you need to make sure iPhone not stuck in Headphone mode,
  3. Reset Your iPhone and Update iPhone software,
  4. Then restore iPhone from recovery mode for you need to use iOS System Repair Tool ReiBoot, and
  5. Repair Speaker

But the tips provided by him could not work. Is there anyone who can help me out? I do know to Bypass FRP Google on Android phones but could do anthing with such an issue related to iPhone.