Control LED and screen light
Use the device flashlight where available, switch to full-screen color light, adjust brightness, choose warm or daylight presets, and set auto-off timing.
Utilities
LumiSignal
A torch, screen light, and SOS signal utility with quick controls and…LumiSignal is a local Android light utility for everyday torch use, screen lighting, and emergency-style visual signals. It includes LED flashlight control, full-screen color light modes, SOS, beacon and strobe patterns, auto-off timers, brightness controls, Quick Settings tile support, a home-screen widget, launcher shortcuts, active-light notifications, safety warnings, haptics, and local preferences without ads, analytics, tracking, advertising ID, cloud services, or Internet permission.
hourglass_topIn developmentRelease details pending
person_off No Tenshio account by defaulttune Permissions tied to featurespolicy App-specific policysupport_agent Direct support available
Why LumiSignal
What LumiSignal helps with.
Run signal modes intentionally
Start SOS, beacon, or strobe flows with LED, screen, or both sources, plus photosensitivity warnings and signal auto-stop controls.
Keep controls close and local
Quick Settings, widget, shortcuts, notification controls, settings, haptics, and onboarding state are stored or handled on-device with no Internet permission.
LumiSignal at a glance
A native Android light utility with LED torch controls, full-screen color light, SOS, beacon and strobe modes, auto-off timers, Quick Settings tile, widget, active notification, haptics, and no ads, analytics, tracking, advertising ID, or Internet permission.
Android workflow
Turn on light with clear status
The torch screen shows active state, brightness, auto-off choices, and hardware fallback messaging when a device has no usable flash.
- checkTorch and screen light
- checkSOS signals
- checkNo Internet permission
LumiSignal screens
Inside LumiSignal.
LumiSignal quality
Control LED and screen light
Use the device flashlight where available, switch to full-screen color light, adjust brightness, choose warm or daylight presets, and set auto-off timing.
visibility Readable screenstouch_app Touch-ready controlsandroid Android-first behaviorsupport_agent Support details
LumiSignal privacy
Data and permissions for LumiSignal.
Product-specific boundaries
LumiSignal has a dedicated policy describing local storage, permissions, online services, account features, and deletion controls that apply to the product.
- phone_androidLocal behavior is documentedSee what stays on the device and what services may process data.
- cloud_offOnline services are identifiedAccount, cloud, analytics, or platform services are described in the app policy when they apply.
- verified_userPermissions have contextDevice access is tied to the feature that uses it and explained in product terms.
What’s new
LumiSignal release notes
LumiSignal updates and fixes are shared here when release notes are available.
View all updates arrow_forwardTechnical information
- Platform
- Native Android
- Status
- In development
- Category
- Utilities
- Privacy
- App-specific policy
Need help?
Need help with LumiSignal?
Include your device model, Android version, app version, and screenshots when possible.
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