You do not need to remove the SIM card to reset the software, but if you are selling the watch, always remove the SIM to protect your data plan and phone number. Troubleshooting: "Watch is still bound to another account"

By following this guide, you have just extended the life of your Mibro Kids Z3 and saved yourself a costly replacement. Now you can get back to what matters most: knowing your child is safe and just a phone call away.

Ensure your watch battery is before proceeding. ⚡ Method 1: Dial Code (Easiest)

You will receive a reply stating factory ok, reset.. and the device will reboot. ⚙️ Method 3: Mibro Kids App