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Late tax filings can result in hefty penalties. But who is required to file a tax return, and for whom is it optional?

IP ratings indicate how well a device is protected against environmental factors. TECHBOOK explains the meaning behind IP67 and IP68.

HbbTV is the modern version of teletext and is activated using the red button on the remote control. TECHBOOK explains what it's all about.

Action games provide thrilling hours in front of the screen, packed with adrenaline. Here are four titles that deliver the excitement.

Manufacturers must use the CE mark to certify that their products meet EU health and safety standards. However, some companies are skirting the rules.

Many people use a glasses cleaning cloth to care for their smartphones, unaware that it can damage the screen. TECHBOOK explains how to do it correctly.

PlayStation, Xbox, Nintendo Switch and others tend to overheat more often in the summer. TECHBOOK offers tips on how to best cool a console.

Anker sells a variety of tech products–from power adapters to power banks, headphones, and webcams. But who is actually behind Anker?

The amount of cash you can withdraw daily is limited. But what exactly is the ATM withdrawal limit? TECHBOOK reveals usual ATM limits.

If temperatures get too high, it's best not to use the Nintendo Switch. The manufacturer itself advises this, citing high summer temperatures.

Fake QR codes placed by scammers on parking meters are directing drivers to phishing sites. Police are warning about the "quishing" scam.

Pocket Is Being Discontinued, but There Are Good Alternatives: Five Tools for Saving, Sorting, and Reading Articles

Indie games may not have cost much or dazzled with technical prowess. We present four examples that are still very much worth playing.

Brushing: A Phenomenon in Online Shopping Explained

After the success of the first three games, gamers eagerly await "The Witcher 4." TECHBOOK presents what is known about the title.

Your messages are going unanswered? You might have been blocked on WhatsApp. TECHBOOK explains how to identify this.

Only those who truly know the masterpiece films well can answer all the questions correctly in this Disney quiz.

Is your phone's battery display no longer correct? Is the device losing charge quickly and switching off? Battery Calibration can help.

Wi-Fi calls are practical when mobile networks fail. They offer high call quality, are included at no extra cost in plans, and don't require an additional app.

Once, Sanyo was one of the leading Japanese providers, especially in consumer electronics. Today, only the name remains.

The Nintendo Switch 2 is only compatible with microSD Express cards, meaning the memory cards from the old console can no longer be used.

Horror Games Are a Lot of Fun if You Enjoy a Good Scare TECHBOOK presents four particularly eerie titles.

The rise of the Grundig brand began in the 1950s with the radio device "Heinzelmann." But how is the company faring today?

You should also clean your TV regularly. However, there are a few things to bear in mind when cleaning the TV to avoid damaging the TV set.

For a long time, record players from Dual were regarded as flagship models. We back at the history of record player manufacturer Dual.

A myth in South Korea claims that people die if they leave their fans running overnight.

Netflix ends its most successful series, "Squid Game", with the 3rd season. All rumors and information about the series finale.

Commodore dominated the fledgling computer market in the early 1980s. The C64 model became an icon. But what became of the company?

While we talk about WLAN networks here in Germany, the word WiFi is used abroad. What is the difference between WLAN and WiFi?