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👂 Hearing & Phones

Hearing Aid Compatibility and Accessibility Settings by Carrier

Published October 2026 · Last verified October 2026

Two Ways To ConnectAcoustic and telecoil, or BluetoothNear EarHold to aidM ratingT rating / loopBluetoothWireless linkStream callsAdjust on phoneNewer aids add wireless streaming on top of the basics.Illustration — layout and details vary by model. Check your own device.
The two ways a phone and a hearing aid can work together.
Hearing Aid RatingsHigher number is betterRatingCoversGoodM3 / M4Microphone modeYesT3 / T4Telecoil modeYesHAC labelNewer standardYesBoth an M and a T rating of 3 or 4 means fully compatible.Illustration — layout and details vary by model. Check your own device.
What the M and T ratings on a phone box actually mean.

If you wear hearing aids, the right phone and a few good settings can turn a frustrating call into an easy one. This guide explains the hearing aid ratings to look for when you buy, how to pair aids over Bluetooth, how to stream calls straight into your ears, and the accessibility settings that help the most. It's all plain facts, not medical advice — your audiologist is still the person who knows your hearing best. If you'd like a hand setting any of it up, the number is (330) 200-8042.

Look for
M and T ratings
Fully compatible
M3/T3 or better
iPhone aids
Made for iPhone
Android aids
ASHA / LE Audio

If you wear hearing aids, the right phone and a few good settings can turn a frustrating call into an easy one. This guide explains the hearing aid ratings to look for when you buy, how to pair aids over Bluetooth, how to stream calls straight into your ears, and the accessibility settings that help the most. It's all plain facts, not medical advice — your audiologist is still the person who knows your hearing best. If you'd like a hand setting any of it up, the number is (330) 200-8042.

What's inside this guide

The printable PDF walks through 24 short chapters, in plain language. It also includes at-a-glance pictures.

  1. Why Phones and Hearing Aids Need a Little Help
  2. The Two Ways a Phone Talks to a Hearing Aid
  3. What the M and T Ratings Mean
  4. Checking the Rating Before You Buy
  5. Telecoil and Loop Systems
  6. Bluetooth Hearing Aids on iPhone
  7. Bluetooth Hearing Aids on Android
  8. Auracast — The Change That's Coming
  9. Pairing Your Aids to an iPhone
  10. Pairing Your Aids to an Android Phone
  11. Streaming Calls Straight Into Your Ears
  12. Adjusting Your Aids From the Phone
  13. Live Listen and Sound Amplifier
  14. Live Captions — Reading the Call
  15. RTT and Texting 911
  16. Flash Alerts, Vibration, and Mono Audio
  17. How This Looks Across the Carriers
  18. Common Mistakes People Make
  19. Questions People Ask
  20. Speaking Instead of Typing
  21. A Simpler, Big-Button Home Screen
  22. When the Screen Is Hard to See
  23. Working With Bill — Your Support Plan
  24. Your Notes

Get the printable guide

Everything above is a quick summary. The full, printable guide — the same words, laid out to read and keep by the computer — is a free PDF.

Download the printable PDF →

Last verified October 2026. Information accurate as of October 25, 2026.

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✍️ Every guide researched, written, and reviewed by Bill — your local Portage County tech.

Any prices or outside products mentioned in this guide can change over time — the details here were last checked October 2026 and this page is accurate as of October 25, 2026; please confirm current pricing before you buy. See how often we review our guides →