: Third-party APKs (like Diagzone) require deep permissions on your phone. It is highly recommended to use a dedicated "shop tablet"
If you’re looking for a legitimate alternative, I can suggest:
Instead of opting for a Thinkdiag activation code crack, consider the following alternatives:
If you bought a used device or lost your activation slip, don't look for a crack. Instead: THINKDIAG - How to do registration and activation?