Does iphone 4 have voice mail

Yes, the iPhone 4 does have voicemail. In fact, it's a standard feature on all iPhones, including the iPhone 4.

Here's how to access voicemail on your iPhone 4:

1. Open the Phone app: Tap the Phone app icon on your iPhone 4's home screen.
2. Tap the Voicemail button: In the Phone app, tap the Voicemail button at the bottom of the screen.
3. Enter your voicemail password: If you haven't set up a voicemail password, you'll be prompted to do so. Enter your password to access your voicemail.
4. Listen to your voicemails: You'll see a list of your voicemails. Tap a voicemail to listen to it.
5. Delete or save voicemails: You can delete or save voicemails by tapping the "Delete" or "Save" button at the bottom of the screen.

Note that voicemail is tied to your phone number, so if you change your phone number or switch to a different carrier, you may need to set up voicemail again.

Also, keep in mind that voicemail is a basic feature, and you may not have access to advanced features like visual voicemail or voicemail transcription, which are available on newer iPhone models.