Blackview BV5500 Dual SIM, Black

The FM radio function in mobile phones allows you to listen to analog radio broadcasts on very short waves. For most mobile phones, the radio function is only available with headphones connected, as the headphone cable serves as an antenna.

You can connect your phone to external devices via USB-OTG (On-The-Go). Devices such as flash drives, SD card readers, mice, keyboards, game controllers etc.

A mobile phone is considered shockproof if its design can withstand higher mechanical stress. Its manufacturer usually states from which height the phone can fall without damage, but detailed conditions of impact resistance of individual models may differ.

A mobile phone is water resistant if it meets a certified level of durability that allows total immersion. When it comes to mobile phones, it is the specification of the IP67, IP68, or IP69 Ingress Protection rating.

IPS, or In-Plane Switching, often also known as Super TFT, is a type of LCD display technology. It offers an excellent quality-price ratio, natural colours, low power consumption, and wide viewing angles up to almost 180 degrees.

Micro SD cards are used for storing data on mobile phones, GPS navigation and other portable devices.

A-GPS is a sophisticated GPS protocol that helps you quickly locate your mobile device.

Bluetooth is the communication tool used by a huge amount of electronics. Learn how the frequency signal is generated and how it's used. In a simple overview of the different versions, we will show how Bluetooth has evolved and been refined. You can also learn something about the specifications and security of this communication standard.

A device that receives a GPS signal to determine and record a location. GPS modules can be found in car and motorcycle navigation systems, cyclocomputers, sporttesters and GPS locators.

LTE (Long Term Evolution) marks the next generation of mobile data networks. This is an intermediate step between 3G and 4G. Although manufacturers and operators sometimes mistakenly refer to it as 4G, it is not a full 4G network. That's for LTE Advanced. The maximum theoretical data transfer rate is up to 175Mbps for download and up to 57.6Mbps for sending data in one frequency band. 

NanoSIM is the smallest, most advanced type of SIM card.

NanoSIM is the smallest, most advanced type of SIM card.

The motion of a gyroscope rotates in space on all three axes. In this case, it determines the direction in which you are moving your phone.

Az Android a Google által kifejlesztett operációs rendszer, amelyet jelenleg a legtöbb mobiltelefon-gyártó használ. Ez egy nyílt operációs rendszer, amely gyakorlatilag korlátlan testreszabási lehetőségekkel rendelkezik. Egyes módosítások az alapbeállítások segítségével végezhetők el, míg más módosítások bármikor letölthetők a Google Play áruházból. A felhasználó így nagyon könnyen módosíthatja nemcsak a grafikus felületet, hanem a telefon kezelésének módját is. Az Android gyenge pontja a rosszindulatú támadásokra való nagyobb fogékonyság. Az egyes operációs rendszerek részletesebb leírása, előnyeik és hátrányaik a Mobil operációs rendszerek összehasonlítása című cikkben található.

Pure Android is an operating system for mobile phones with Android in its simplest form - it does not include an adjusted graphical interface or any features that are added to the operating system expansion by the individual manufacturers.