i have an iPhone 6 and one day i opened it to replace the battery after i start it up
i noticed that the iPhone has no sound at all when i open youtube app shows an error Playback Error , snapchat won't load videos instagram too and i pluged in the headphones and the sound work perfect when i connect with a bluetooth speaker the sound work perfect too. i tried to change the speaker change the chargning port but no luck. i have more .. when the phone is on and i plug the headphones don't show me the volume HEADPHONES but Ringer so i have to reboot my device to activate the headphone mode