It is highly likely you are referring to one of the following two tools, often used for similar purposes (Samsung FRP, MediaTek exploits, etc.):
In the crowded world of Everyday Carry (EDC), few names generate as much quiet respect among insiders as KKD Gear. Known for their no-nonsense, over-engineered solutions, KKD has just released their latest iteration: the . After spending three weeks abusing this tool in the field and on the workbench, we’ve compiled the definitive analysis. kkd multitool v.10
If you rely on a multitool for work (electrician, military, rancher, DIY) or simply demand the best steel available in a folding platform, the KKD Multitool v.10 is the current king of the hill. It fixes every complaint about version 9 and sets a new standard for what a "heavy duty" multitool should be. Skip the coffee and save up; this is a heirloom-grade tool. It is highly likely you are referring to
: No physical volume rocker, average speaker quality, and performance limits on 3D systems. If you rely on a multitool for work
Since you mentioned "piece" — if you mean a (like a module, a plugin, or a cracked component), you’d need to share more context (filename, hash, source forum, or what it claims to do).
With v.10, you do not manage your system. You conduct it.