Understanding why doesn t requires examining multiple perspectives and considerations. "Why does it not work" Vs. "Why is it not working"?. See this usage chart, showing that we much prefer Why isn't it working? Additionally, over Why doesn't it work?
Building on this, (when contracted; uncontracted Why is not it working isn't remotely idiomatic). Why doesn’t my phone ring? Troubleshooting No Ring issues Most basic first: Have you checked the mute switch on the left side of the phone above the volume buttons (the Action Button on iPhone 16 and later), and adjusted the ring volume with the volume buttons while viewing the Home screen? (You must be on the Home screen to adjust the ringer volume).
If it rings but the ring isn’t loud enough: First check the ... Why does my iPhone not ring and goes to V… - Apple Community. Similarly, no sound for the ring? Or, it doesn't ring or vibrate at all?

Anyway: These are the standard steps for sound issues. One of them may be the reason: 1) Is the side silent mute button on? Slide it back and fourth (or check iPhone 15/16 Action button for silent mode). 2) How about the volume buttons?
In relation to this, is the volume very low? Why won't my iPhone 16 Pro Max screen tur… - Apple Community. Why does my screen on my iPhone 16 pro max not shut off when it is idle [Re-Titled by Moderator] Why does my new iPhone 16 lack a charger?

Moreover, that doesn’t amount to a whole lot of cables (per user.)Besides they become kaputt after a while anyways, so it’s nice to have a few on hand. I think the small electronic companies should stop sending cables along with everything. iPhone not ringing when wearing watch - Apple Community.
Just go into your Apple Watch app on your phone go to passcode scroll down and turn wrist detection off and your sorted it doesn’t turn the heart rate monitor off or sleep pattern monitor and which is more important for you iPhone doesn't ring for incoming calls. Similarly, even though I have the volume control all the way up, the phone doesn’t ring.

I have missed important calls and can’t figure out what else to do. The “notifications silent” is also turned off. [Re-Titled By Moderator] Which of these is correct, “She doesn't has” or “She doesn't have”?

📝 Summary
In this comprehensive guide, we've delved into the various facets of why doesn t. This knowledge don't just teach, while they enable you to apply practical knowledge.