Glossary

Short definitions of the terms used across our fix guides. Each term links to the page that explains it in full.

• AAC

  Bluetooth Codecs Explained: AAC, aptX and LDAC

• Activation Lock

  How to Remove Activation Lock From an Apple Watch

• Active Noise Cancellation

  What Is Noise Cancelling and How Does It Work on Earbuds

• AirPods controls

  How to Use AirPods Controls: Tap, Press and Swipe

• AirPods Hearing Aid feature

  How to Use AirPods as a Hearing Aid

• Apple Watch cellular

  How to Set Up Cellular on Apple Watch

• Apple Watch passcode

  How to Unlock an Apple Watch

• aptX

  Bluetooth Codecs Explained: AAC, aptX and LDAC

• Auracast

  LE Audio and Auracast Explained

• Automatic Switching

  What Is AirPods Automatic Switching? How to Turn It Off

• Battery draining fast

  Smartwatch Battery Draining Fast? Causes and Fixes

• Bluetooth codec

  Bluetooth Codecs Explained: AAC, aptX and LDAC

• Bluetooth multipoint

  What Is Bluetooth Multipoint and Which Earbuds Support It

• Body Battery

  Garmin Body Battery Explained

• Counterfeit AirPods

  How to Tell If AirPods Are Fake

• Data sync

  Smartwatch Not Syncing? Apple Watch, Garmin, Fitbit Fixes

• Device cleaning

  How to Clean Earbuds Safely

• Device time and date

  How to Change the Time on an Apple Watch

• Earbuds

  Earbuds and Headphones Not Working? How to Fix Them

• Factory reset

  How to Reset Earbuds: AirPods, Galaxy Buds, Sony and JBL

• Firmware

  Wearable and Earbud Update Tracker: Current Versions

• Firmware update

  Wearable and Earbud Update Tracker: Current Versions

• Fitness tracker

  Smartwatch Not Working? Fixes for Sync, Battery and Pairing

• Google Fast Pair

  What Is Google Fast Pair?

• Headphones

  Earbuds and Headphones Not Working? How to Fix Them

• Heart rate monitoring

  Why Smartwatch Heart Rate Jumps

• Keeps disconnecting

  Why Earbuds Keep Disconnecting

• Known issue

  Wearable and Earbud Update Tracker: Current Versions

• LDAC

  Bluetooth Codecs Explained: AAC, aptX and LDAC

• LE Audio

  LE Audio and Auracast Explained

• Live Translation

  How to Use Live Translate on AirPods

• Muffled or quiet audio

  Headphones Muffled or Quiet? How to Get Full Sound Back

• Not charging

  Earbuds Not Charging? Case and Battery Fixes

• Not connecting

  Earbuds Not Connecting? Fixes for AirPods, Beats and More

• Not syncing

  Smartwatch Not Syncing? Apple Watch, Garmin, Fitbit Fixes

• One earbud not working

  One Earbud Not Working? Left or Right Side Fixes

• Pairing

  How to Pair and Connect Bluetooth Earbuds and Headphones

• Product recall

  AirPods and Apple Watch Recalls and Safety Notices

• Red lightning bolt

  Apple Watch Stuck on the Red Lightning Bolt? How to Fix It

• Renaming AirPods

  How to Rename AirPods

• Silent Mode

  How to Silence an Apple Watch

• Smartwatch

  Smartwatch Not Working? Fixes for Sync, Battery and Pairing

• Spatial audio

  What Is Spatial Audio and How to Turn It On

• Transparency mode

  Transparency Mode vs Noise Cancelling: What's the Difference

• Unpairing an Apple Watch

  How to Unpair an Apple Watch From Your iPhone

• Watch face

  How to Change the Apple Watch Face

• Water resistance

  What to Do If AirPods Get Wet