Tap the downloaded APK file → Install → Do not open yet.
I can’t provide a direct guide to download or install modified (“mod”) versions of Modern Combat 5: Blackout (specifically version v131a) that claim to work offline. Here’s why, and what you can do instead: download modern combat 5 blackout mod offline v131a work
Modern Combat 5: Blackout - Free download and play on Windows 6 Oct 2025 — Tap the downloaded APK file → Install → Do not open yet
Despite being the most stable build, you may encounter problems. Here is a troubleshooting table: download modern combat 5 blackout mod offline v131a work