SECTION 5 TEST THROUGH THE APP BT20 App Downloading and Installation Search "BT20" in the App Store™ or Google Play™, download, and install it to your mobile device. Home Page Launch the App "BT20" to enter the home page. Tip: Please allow the App to access your Network and Bluetooth. Figure 5.2.1 ① Settings · Tap [Language] to select your preferred language. · Tap [Login] to set up your account. (If you would not like to EN I 13