Restart or reboot an KDDI device

Instructions to restart, reboot, unfreeze or unblock KDDI devices

How to reboot, unfreeze, unblock, or unlock a KDDI brand device from settings without losing personal data, documents, photos, settings and device content.

Do a "soft reset" if your device has been frozen in an application and is not responding.

Find your KDDI device model and find the steps to restart it without losing information, be it a mobile phone, tablet, smartwatch or activity bracelet.