Resetting your voicemail password on an iPhone is a pretty straightforward process. You can go to your Phone app, tap on "Voicemail", and then "Reset Voicemail Password". If you’re having trouble, you can also reset it via your carrier's support page or app. Have you encountered any specific issues while trying to reset it? Sometimes the process can vary slightly depending on the carrier. Let me know if there's anything more specific you'd like help with!