I ran into that exact parse error message a few weeks ago because my initial download got cut off midway through on a spotty mobile connection. The easiest fix is to delete the corrupted installer file from your downloads folder and grab a fresh package directly through
https://1xbet-app-nigeria.com/. Before tapping the new file to install, double-check your device settings under Security or Privacy to make sure "Install Unknown Apps" is toggled on for your browser. Once enabled, the installation unpacks cleanly, giving you instant access to live streaming, fast bet placement, and full cashier functionality.