Internet calling: What hides under the terms HD Voice, VoLTE or WiFi calling?

Do you sometimes struggle with hearing the other party on the phone? Would you like to call anywhere, even from a cottage, where the operator's signal is weak? There are some available options which may surprise you that it is possible to easily improve the quality of the call and make calls even in places where there is usually no signal.

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5G network in the Czech Republic (INFORMATION): speed, coverage, potential risks

Fifth generation of mobile networks, so-called 5G, is a new standard whose parameters significantly exceed the current 4G networks. It brings up to a tenfold increase in speed, which together with a reduction in response time guarantees a highly stable Internet connection for virtually any device.

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Notch: Once Essential Design Element, Now Slowly Disappearing

Notch is the name for the display cut-out used on mobile phones. It is used so that the screen can occupy the maximum area of the smartphone, but at the same time so that the sensors and selfie camera are ergonomically placed. Read more »

Display refresh rate

The display refresh rate indicates how many times per second the screen image is redrawn. A higher number means a smoother turnaround. The normal frequency is 60 Hz and you may notice a slight tearing on it when scrolling quickly. It does not occur at refresh rates of 90, 120 or more Hertz.

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Reverse wireless charging

Reverse wireless charging is a technology that allows the use of energy, for example on a mobile phone to wirelessly charge another device, such as a smart watch. Therefore, you do not have to travel with two chargers. Read more »

Hybrid slot

A hybrid slot (or hybrid Dual SIM) is a slot in your phone that allows you to use either two SIM cards at a time, or one SIM card and one memory card, but not two SIM cards and a memory card.

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IP68

IP68 indicates the degree of protection of a device that is fully protected against dust and can also withstand immersion in water for more than 30 minutes or in a depth exceeding 1m. However, the specific conditions are determined by the manufacturer.

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IP67

IP67 indicates the degree of protection of a device that is dustproof and withstands immersion in water with a depth of up to 1m for up to 30 minutes.

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Mobile Phone Innovations in the Last Year. Which Ones Are the Most Useful?

Mobile phones are constantly evolving. For example phone cameras make an incredible progress every year. But that's not all. This year's mobile phones are better than the ones of last year thanks to further improvements. And we are super happy about these innovations.

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Always On Display: Funktionen, Verwendung und Risiken

Wenn Sie ein neues Smartphone oder eine Smartwatch mit einem OLED-Display haben, haben Sie wahrscheinlich Zugriff auf die Funktion Always On Display. Wie funktioniert sie, wofür kann sie verwendet werden und birgt ihre Nutzung nicht das Risiko, Pixel zu verbrennen oder die Akkulaufzeit zu verkürzen? Mehr erfahren Sie in diesem Artikel.

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Multiple Lenses in Mobile Phones: Benefits, Principle and Function

Wondering what more lenses can do on today's smartphones? Each one them has a different function. Join us for a look at the different types of sensors that mobile phone lenses feature today. They can zoom in, zoom out, focus on a shorter distance, etc. Find out more in the article.

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Time-of-Flight Sensor - a Breakthrough in 3D Scanning?

Time-of-Flight is a type of sensor that measures the distance of objects based on the time difference between the emission of a signal and its return to the sensor, whether in form of light or sound. It falls into 3D scanning technology and has a broad area of application.

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NFC mobile payments (MANUAL)

NFC is used for fast pairing or contactless payments. You need to check the terms and conditions for your specific bank and card provider. How do NFC payments work and what can you do to be able to pay by your phone?

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The Best Camera Phones in 2022 (UPDATED)

There was a time when just a handful of mobile phones came with a camera. Today they are often the main criterion for selection. We have prepared an overview of the best camera phones in three price categories, as well as some brief tips on how to keep track of all the phone camera features available on the market.

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Smartphone fingerprint scanners: types and functions

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?

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Face Unlock: How Does It Work and What to Watch out For

It is so important nowadays to have your phone well secured. In addition to the classic fingerprint reader, PIN or gesture, we now have also a Face Unlock feature. What are the advantages and disadvantages of this way of unlocking your phone?

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We've tried a phone with Huawei services (REVIEW): What do we think?

Huawei can no longer use Google services as a result of US sanctions, but the company has started developing its own Huawei Mobile Services (HMS). Although you won't find these phones on the Czech market, we've tried how HMS works on the Huawei P20 Lite 2019. Does the Chinese giant succeed in its attempt to rival the Google ecosystem software?

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Android sicher machen (ANLEITUNG)

Brauchen Sie ein Antivirenprogramm für Ihr Android-Smartphone? Warum sind Updates wichtig? Was können Sie für Ihre Privatsphäre tun? Wie können Sie Ihre persönlichen Daten schützen? Wir geben Ihnen Tipps, wie Sie Ihr Android-Smartphone in drei Stufen sichern können: für Anfänger, Fortgeschrittene und Experten.

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What is an eSIM?

Plastic SIM cards are already dying a slow death. The future is eSIM technology. It is a separate chip that is built into the phone. What will change from using plastic SIM cards? Does the new modern eSIM technology have any pitfalls?

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