Use a file manager to locate the OBB zip file and extract it.
To install the Frontline Commando D-Day Mod APK and OBB file, follow these steps: Frontline Commando D Day Mod Apk And Obb File
Go to your device Settings, then Security, and enable Unknown Sources to allow the installation of third-party apps. Install the APK file but do not open it yet. Use a file manager to locate the OBB zip file and extract it
Download both the APK and the OBB zip folder from a trusted source. Frontline Commando D Day Mod Apk And Obb File