Xiaomi Redmi A3 4GB/128GB green

The biometric technology of fingerprinting has undergone significant developments in recent years. Old scanning methods are gradually being replaced by new and more efficient methods. How do these latest fingerprint scanning technologies work?

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.

Fast charging is a technology that allows you to charge your phone more efficiently. Whereas previously the smartphone needed three hours to charge 100%, today less than half the time for the same battery size is just enough.

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.

Immer bekannter und immer weiter verbreitet. Das ist Corning Gorilla Glass, ein Schutzglas, das die Haltbarkeit von Smartphones, tragbaren elektronischen Geräten und einer Vielzahl anderer Produkte verbessert.

The wide-angle lens allows the device to take photos at a wider angle than the phone' s primary lens. Therefore you will be able to fit such things into picture, for which you would normally need to take a few steps back and that is not always possible, for example indoors.

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

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.

Der neueste Stecker des USB-Standards hat die Bezeichnung Typ-C. Im Gegensatz zu den Vorgängern verfügt er über eine andere Form, dank der er beiderseitig eingesteckt werden kann, aber auf Kosten der Abwärtskompatibilität mit den USB 2.0 oder USB 3.0 / 3.1 Ports. Die Geschwindigkeit der Datenübertragung erreicht bis zu 10 GB.

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.

Accelerometers and G-Sensors are motion sensors that determine the tilt in space. The phone uses it to know which way it is being held, e.g. portrait, landscape or upside down.

Android ist ein von Google entwickeltes Betriebssystem, das derzeit von den meisten Handy-Herstellern verwendet wird. Es handelt sich um ein offenes Betriebssystem mit nahezu unbegrenzten Anpassungsmöglichkeiten. Einige Anpassungen können über die Grundeinstellungen vorgenommen werden, während andere jederzeit aus dem Google Play Store heruntergeladen werden können. Der Benutzer kann also nicht nur die grafische Benutzeroberfläche, sondern auch die Bedienung des Handys sehr einfach ändern. Die Schwäche von Android ist dann die höhere Anfälligkeit für Angriffe durch Schadsoftware. Eine ausführlichere Beschreibung der einzelnen Betriebssysteme sowie ihrer Vor- und Nachteile finden Sie in unserem Artikel Vergleich der mobilen Betriebssysteme.