Instructions to restart, reboot, unfreeze or unblock Master devices

How to reboot, unfreeze, unblock, or unlock a Master brand device 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 Master device model and find the steps to restart it without losing information, be it a mobile phone, tablet, smartwatch or activity bracelet.

Master SmartPhone 550 Master SmartPhone 550
Master SmartPhone 504 4G Master SmartPhone 504 4G
Master SmartPhone 502 Master SmartPhone 502
Master SmartPhone 501B Master SmartPhone 501B
Master SmartPhone 501 Master SmartPhone 501
Master SmartPhone 500C Master SmartPhone 500C
Master SmartPhone 500 Master SmartPhone 500
Master SmartPhone 451 Master SmartPhone 451
Master SmartPhone 450 Master SmartPhone 450
Master SmartPhone 402S Master SmartPhone 402S
Master SmartPhone 402 Master SmartPhone 402
Master Smartphone 400 Master Smartphone 400
Master SmartPhone 350 Master SmartPhone 350
Master Phone 6S Master Phone 6S