Hello camerahuman,
Thanks for using Apple Support Communities. It sounds like you have no sound on your iPhone 7 Plus. I’m happy to provide some steps that may help.
To start, make sure you’re running the latest iOS version. Installing an update can sometimes resolve unexpected issues:
Update your iPhone, iPad, or iPod touch - Apple Support
Should the issue persist, follow the steps in the article below for no sound:
If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker - Apple Support
If none of the above helps, I suggest reinstalling iOS to further isolate whether the issue is software or hardware. While reinstalling iOS shouldn’t remove any data from your iPhone, it’s a good idea to create a backup first:
How to back up your iPhone, iPad, and iPod touch - Apple Support
To reinstall iOS, follow the steps in the article below, under the section labeled “Put your device in recovery mode and set it up again”:
If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support
Have a great day!
