Most modern head units have a "hidden" factory menu.
Standard embedded Linux distros (Armbian, Ubuntu for ARM, etc.) often ship with older, stable Mali drivers. But if you're:
…then the Upgrade Tool Top becomes indispensable. It lets you mount a new driver image over the old one (using bind mounts or overlayfs) and then upgrade the GPU firmware interfaces on-the-fly. mali mount upgrade tool top
Using the Vessel Ball Grip (Tool #2), tighten the new hex screws. Do not over-tighten—stop when you feel resistance, then turn an additional 1/8th rotation.
No standard tool or command combines all four into a single name. Most modern head units have a "hidden" factory menu
If a new driver version fails to initialize (e.g., due to hardware instability), MMUT-Top retains the previous module in a cache. It can automatically revert to the last known stable configuration, preventing "bricking" of the graphics subsystem.
Many miners skip this, but the top upgrade involves adding rubber grommets between the fans and the Mali mount. Use the iFixit spudger to press these into place. This reduces noise by 40% and prevents harmonic vibration from loosening other screws. …then the Upgrade Tool Top becomes indispensable
You cannot proceed without knowing your CPU model.