While searching for "GTA 5 Beta 0.7 APK" often leads to various download links and fan-made videos, it is important to clarify that

Most "Beta 0.7" versions are small, offline fan-made recreations built in engines like Unity or Unreal Engine. They only include a small portion of the map and very limited gameplay.

The Beta 07 includes 6 modified story missions:

If you are looking for this specific file, it is vital to understand what you are actually downloading and the risks involved. What is the "GTA 5 Beta 07" APK?

If you want to play the real GTA 5 on your phone safely, you must use cloud streaming services rather than downloading an APK:

Many mods require you to turn off "Verify Apps" via ADB. PathanPK42000 removes Google Play License checks, meaning you can install it without rooting your phone.