Unknown Sources Android Guide

Unknown Sources Guide – Installing TimeTrack Pro APK

Android blocks APKs from outside Play Store by default. Here's how to safely allow installation (2026 Android 15/16).

Step-by-Step (Most Devices)

  1. Download APK from /download
  2. Open file → tap Install
  3. If blocked: Tap Settings or "Install anyway"
  4. Go to Settings → Apps → Special app access → Install unknown apps
  5. Find your browser or Files app → toggle "Allow from this source"
  6. Go back → retry Install

Samsung / One UI Specific

  • Settings → Apps → three-dot menu → Special access → Install unknown apps
  • Allow from browser/Files

Xiaomi / MIUI / HyperOS

  • Settings → Privacy protection → Special permissions → Install unknown apps

Huawei / HarmonyOS

  • Settings → Security → More settings → Install apps from external sources

After Install

  • You can turn off "unknown sources" again for safety
  • No need for root or developer options

One-time step — then enjoy full offline use. Safe, private, and simple.