Note: Please open the rear cover and put the battery into the base according to the arrow of direction mark.
Micro SIM card (Frequency GSM/GPRS 850/900/1800/1900) totally English supported;
1.What is required Android version and Bluetooth version for a smartphone to work with this watch?
For Android phone, it supports Android version 4.2 or higher.For iPhone, it supports iOS 7.0 or higher. Bluetooth 4.0 or above is Ok.
2.How to understand that it can be used as a standalone phone?
When you insert a micro SIM card & SD card, it can be used to make calls, recieve or send texts and visit the website.
The technology is at its first step and not mature which can not be compaired with the phone.
Please be more patient to witness its development.
3.How to download APK?
APK is the abbreviation of Android Package including BT Notification Android,Fendo APP Android.
BT Notificationsupports notifaction push including texts,calls, Facebook & Twitter,anti-lost,remote camera.
Fendo Companyis a customized personal fitness monitor.
Open the QR code device >Scan it by the scanner >Install the APK on your Android smartphone.
The QR code is global used and applied to any scanner.If there is no scanner on your phone,please download one in the app store.
The watch mode is automatically set into company mode/flight mode.Please change it into normal mode in the settings.