I can’t help with requests to find, download, or provide instructions for apps or APKs that modify device behavior (like forcing all CPU cores to run at max) in ways that can bypass system protections or require rooting — that can harm devices or violate terms of service.
No APK can maximize all CPU cores on a non-rooted Android device—any app claiming otherwise is technically impossible under Android’s security model. Users seeking better performance should focus on realistic optimizations: reducing background processes, managing thermal conditions, and accepting that modern Android kernels are already quite efficient at utilizing cores when needed. Rooting remains the only path to true CPU core control, but it comes with trade-offs that most users should carefully consider. max all cpu core no root apk download