Call of Duty: Black Ops 4 was never officially ported to Android or iOS. Unlike Call of Duty: Mobile (launched in 2019), which was built from the ground up for touchscreens, BO4 was designed exclusively for PlayStation 4, Xbox One, and PC.
This means:
The most dangerous aspect of this search trend is the prevalence of malicious APK files. Call Of Duty Black Ops 4 Apk - Obb For Android
If you want a true Call of Duty experience on Android, Call of Duty: Mobile is your answer. It includes: Call of Duty: Black Ops 4 was never
Many characters, weapons, and animations from Black Ops 4 were ported directly into COD Mobile. In fact, Blackout’s map was later adapted for COD Mobile’s battle royale. If you want a true Call of Duty
Given that the true APK+OBB doesn't exist, here is how to get the feeling of Black Ops 4 on your phone safely.
It is crucial to distinguish between the different titles in the franchise: