Big smartphone for demanding users. Comfortable 5.5-inch screen, with the HD resolution of 1280 x 720 pixels, made in the IPS technology, will ensure perfect colour reproduction and wide viewing angles. A bigger screen will be useful while browsing the web, writing text messages or e-mails. MediaTek 6737 4-core processor being the heart of QUANTUM 4 550 makes high-end technology more available. 64-bit processor integrated with 4G LTE and graphic processor Mali-T720 GPU ensures high-speed global data exchange, also by WiFi (802.11b/g/n) or Bluetooth 4.0. Fast 4G LTE data transmission considerably increases life comfort, ensuring several times faster transmission of data. The users will fully appreciate the benefits arising from high-speed mobile data exchange, regardless of their whereabouts. The device supports a high-quality camera, HD 720p screen resolution, as well as recording and watching videos in 1080p Full HD resolution. The smartphone provides greater performance and reduces battery consumption. GPS receiver turns QUANTUM 4 550 into a navigation device, with a clear and effortless in use application HERE. It works quickly and smoothly, which will allow you to easily reach your target destination. After registration, you can download any map of Poland or Europe, allowing you to select the most optimal route in the planned journey. Similarly to traditional GPS devices, the smartphone navigates you in the off-line mode, which means that you do not have to additionally pay for 3G connection. The latest, sweet look at Android and definitely a giant leap forward as compared to the previous versions of the system. The introduced improvements relate to, among others, the general appearance and battery life. Android 6.0 Marshmallow is fast, efficient and, at the same time, simple and intuitive to use. It will be excellent both for work and for games. This makes the device perfectly match the user’s needs. In the world of Google Play you can find about 1.7 million other applications that will make your day-to-day work and learning enjoyable and fill your time with your favourite form of entertainment. Google Calendar saves your time and allows you to make full use of every day. You will no longer forget about important events, birthdays of your close ones or anniversaries. The Weather app will always remind you about bringing along an umbrella or sunglasses. You can display your photos in the gallery, and watch funny videos or interesting reviews on YouTube. Music fans will enjoy the built-in FM radio. A powerful battery allows you to use the smartphone actively for long hours. Despite its high capacity, the smartphone remains elegant, thin and light. QUANTUM 4 550 stands out thanks to its great look. Meticulously prepared casing, combined with metallic robust finish creates the unique look, in sync with the latest trends. New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with no defects.