I can't hear unless my phone is on speaker

Hello smruti23,

It sounds like you're having an issue with being able to hear on calls through your receiver. We'll be happy to help out.

Here's a great article to guide you through some steps to take to try to resolve this issue: If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker

If that persists, you may need to look into servicing your iPhone. Reach out to our team here for help with that: Get Support

Take care!