Articles on: TMD Chain Lock

App permissions

In this article you can read which app permissions are needed on iOS and Android.


App permissions

Permission

Why it is needed

Recommended setting

Bluetooth

Discover and connect to your lock

Enabled

Location

Record locations for activity

Always (this also records location when the app is not in foreground)

Notifications

Inform you about important events

Enabled


How to enable app permissions

iOS

  • Go to Settings.
  • Press "Apps".
  • Select "TMD Locks".


Android

  • Settings > Apps > TMD Locks > Permissions
  • Allow Nearby devices and Bluetooth scanning
  • Allow Location while app is in use. Precise location optional but recommended
  • Allow Notifications
  • On some devices, also enable Location in quick settings for Bluetooth scanning to work


Privacy notes
  • The app does not constantly track your location. It only uses your location when an activity event is recorded, e.g. when you open your lock.
  • Bluetooth is used only to communicate with your lock.
  • You can change permissions at any time in your phone settings.

Updated on: 24/11/2025

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