How To Factory Reset Mibro Kids Z3 Best May 2026

The Mibro Z3 usually uses a Nano SIM card. After a reset, you must re-enter the APN settings (Access Point Names) for mobile data.

If the watch asks for a password after reset and you never set one, try 0000 or 1234. If that doesn’t work, contact Mibro support – the password may be tied to the previous owner’s account.


The watch is now "new," but the app may still think it's connected. how to factory reset mibro kids z3 best

The factory reset deleted all your emergency numbers. You must re-add them manually via the Mibro Fit app under Contacts > Add Contact. Only these contacts can call the watch, and the watch can only call them.


This is the best way to reset the watch if you have access to the menus. The Mibro Z3 usually uses a Nano SIM card

Rarely, a reset might not solve the problem. If your Mibro Kids Z3 is still acting up after a factory reset:


This is the recommended method for users who can still access the watch’s interface. It is safe, quick, and requires no button-mashing tricks. The watch is now "new," but the app

Step-by-step instructions:

Why this is the "best" method: It is built-in, verified by the manufacturer, and doesn’t require external tools. It also properly closes all running apps before wiping, reducing the risk of corruption.