Cheto requires specific versions of 8 Ball Pool to function correctly. If the game has updated recently and your tool hasn't, the key may fail to authenticate. Ensure both the 8 Ball Pool app and your Cheto tool are updated to their latest compatible versions.
Miniclip often flags accounts suspected of cheating and moves them to "cheto servers," where they only match against other flagged accounts. In these instances, certain features of the activation key may appear broken or disabled. Cheto 8 Ball Pool Activation Key Fix
Modern 8 Ball Pool tracks your device's unique ID, not just your Facebook account. Even if you reset your phone, Miniclip knows you used Cheto. Cheto requires specific versions of 8 Ball Pool