resettool
nounUK /ˌriːˈsɛt tuːl/
US /ˌriˈsɛt tul/
A resettool is a small tool that puts something back to the way it was.
Dad used a resettool to fix the game console.
OTHER MEANINGS
2. A software utility that returns a program or device to its original settings.
The technician ran a resettool to clear the router's configuration.
3. A physical pin or key used to press a hidden reset switch.
She straightened a paperclip to make a resettool for the tiny hole.
4. A feature in a game or app that starts the level or account over.
The resettool wiped his progress, so he had to begin again.