FlashDim

github.com/cyb3rko/flashdim Android Apps Open-source projectOpen source

FlashDim adds dimming controls to an Android flashlight on devices running Android 13 and later.

github.com/cyb3rko/flashdim
FlashDim homepage screenshot

About FlashDim

FlashDim is an open-source Android app that adds brightness dimming to the device flashlight on phones running Android 13 or later. It is published as a GitHub repository, with builds also available through Google Play and F-Droid. Full functionality depends on hardware: the app works only on devices whose flashlight supports multiple brightness levels, and the project notes that dimming support is hardware limited.

Key features

  • Step-by-step dimming of flashlight brightness on supported hardware
  • Shortcut buttons for jumping to specific brightness levels
  • SOS flash button and Morse code flash mode
  • Interval / BPM flash mode
  • Quick Settings tile and volume-button toggle for fast access
  • Stated as ad-free with no internet connection; Material You design
Best for: Owners of Android 13 or newer phones with dimmable flashlight hardware who want adjustable brightness plus flashing modes.
Good for
  • Open source, with APK signature verification instructions and published certificate digests
  • Adds SOS, Morse code and interval/BPM flashlight modes beyond a simple on/off light
  • Stated to contain no ads and to require no internet connection
Watch out for
  • Full functionality requires flashlight hardware that supports dimming
  • Requires Android 13 or later
  • The Play Store listing manually excludes 1178 device models reported to lack flashlight dimming

FlashDim at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Android
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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FlashDim FAQ

Does FlashDim work on any Android phone?
No. It requires Android 13 or later, and full functionality is only available on devices whose flashlight hardware supports dimming.
How can I check if my device supports flashlight dimming?
The repository lists known supported devices, including Google Pixel 6 through 10 series, nearly every Samsung phone with Android 13 or newer, and many devices from other manufacturers, alongside a list of excluded models.
How are the APK files verified?
The README describes checking them with apksigner. Google Play builds use a Google certificate, while GitHub and F-Droid builds are signed with a different key, with digests published for each.
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