Dear customer, steps as below: Step1：Turn on Phone'S Bluetooth Step2：Find and enter Play Storeor App Store, Step3：.After searching and downloading, enter GloryFit app Step4：Enter app and find T8Pro to bind（Please fully charged it when the first time to use） Our Amazon Shop ： https://www.amazon.com/Smart-Watch-Android-Phones-Water-Resistant/dp/B09T3J7TLK