Tips and tricks

More Data Protection How to Disable Meta AI in WhatsApp Chats

A new switch partially increases privacy by deactivating Meta's AI in WhatsApp chats.

Detergent Instead of a Graphics Card Online Shopping Can Be Costly–A Recent Case Shows Why

Ordered expensive tech but received worthless junk? Consumer advocates recommend keeping a few tips in mind when making online purchases.

Never Buy Too Expensive Save Money Instantly on Amazon With This Free Tool

Camelcamelcamel is a price tracker that shows when a product on Amazon was at its lowest price. It sends you an email when the price drops again.

Deepfakes: Your Own Image in the Digital Realm

Growing Danger How to Check if Your Photo Is Being Used for Deepfakes

Suspect your photo was used in deepfakes? TECHBOOK explains how to best verify this.

A spy app deeply invades privacy, and it's difficult to protect oneself against it.

Breach of Trust with a Click How Easily Your Smartphone Can Be Spied On

Spy apps can monitor location, chats and calls. TECHBOOK reveals how to spot suspicious signs.

Power Mode Secret Setting Speeds Up the Fritzbox!

Fritzboxes are considered reliable and fast routers. However, it's not widely known that there is a hidden power mode for increased speed.

Flexible Travel Airbnb Introduces New Payment Option

Airbnb is a popular choice for many travelers worldwide. For added flexibility, users can now "Book Now, Pay Later."

A common mistake to avoid when cleaning your smartphone

Common Mistake How to Clean Your Smartphone Without Damaging It

Many use a glasses cleaning cloth to care for their smartphones, unaware that it can damage the screen. Here's the correct way to do it.

Four Options How Deleted WhatsApp Messages Become Visible Again

Deleted WhatsApp messages can be restored. There are four methods to do this. TECHBOOK explains how!

Putting Your iPhone in Rice? Apple Now Explicitly Advises Against It

Tech Mythos Apple Warns Against Popular Trick: What You Should Never Do With Your iPhone

The myth persists online that placing an iPhone in rice helps after water exposure. Apple now explicitly advises against this.

Job interviews are increasingly being conducted virtually. The technology must not fail.

Correct Behavior What Should I Do if the Technology Fails During a Virtual Job Interview?

Technical issues in online interviews? Candidates can still shine with poise and flexibility.

Cold Weather Affects Smartphone Batteries

The Reason Why Your Phone Battery Drains Faster in the Cold

Cold temperatures can really take a toll on smartphone batteries. They discharge more quickly in freezing conditions—but why?

Manufacturers Advise Don't Immediately Connect Your New TV in Winter!

Does the myth hold true that new TVs should be allowed to warm up to room temperature in winter before use? TECHBOOK asked manufacturers.

Caution! How Easily Others Can Read Your WhatsApp Chats

A simple oversight can allow others to easily read all your WhatsApp chats. TECHBOOK explains how to protect yourself.

The Fritzbox can now be connected to Alexa to control the smart home.

Smart Home Made Easy How to Connect Fritzbox with Amazon Alexa

Fritz! Smart Gateway for the Fritzbox now enables the control of smart home devices via Alexa. Here's how to set it up.

The barcode on products reveals quite a bit of information.

Hidden Message What a Secret Mark on Kaufland Barcodes Reveals About Products

Apparently, a line on the barcode of Kaufland price tags indicates how long a product will remain in the assortment.

An emergency folder gathers all important documents in one place.

For Emergencies Documents You Should Always Have on Hand

Prepare for Emergencies: An emergency folder helps keep important documents readily accessible.

Insider Tips for Perfect Headphone Sound–What Equalizers Can Really Do

How to Instantly Make Music Sound Better The Most Important Equalizer Settings for Headphone Apps

Discover how equalizers and headphone apps are revolutionizing sound and optimizing the listening experience.

Hotline messages are annoying. But using a specific word can get you to a representative faster.

Faster Access to Advisors Bypass Annoying Hotline Messages With Just One Word

When calling a hotline, we often find ourselves stuck on hold. One word can change that and connect you directly with a representative.

How to Avoid the "Soap Opera" Effect on Your Samsung TV

End the "Soap Opera" Effect These settings significantly enhance the picture quality of your Samsung TV.

Soap Opera Effect on Samsung TV? Here's How to Adjust the Picture for Better Display

Annoying Problem How to Easily Delete URLs on WhatsApp

If you want to delete a URL on WhatsApp, you might run into some trouble. Here's how to do it easily.

Caution When Buying The Fire TV Stick 4K Offers No Advantage to Many Users

The Fire TV Stick HD offers nearly all the features of the 4K model, but without the often unnecessary 4K price premium.

The Fritzbox reveals the current speed of the internet connection.

Without Speed Test Fritzbox Displays Internet Connection Speed

If you own a Fritzbox from Fritz!, you can precisely measure your internet upload and download speeds without a speed test. Here's how.

You can adopt emojis for yourself or others.

Sponsorship as a Gift Idea Did you know you can also adopt emojis?

Looking for an original gift? How about an emoji sponsorship? TECHBOOK explains how it works.

Pros and Cons of the Offer Cashback with PayPal: How to Get Money Back Every Day

In PayPal's Cashback Program Deal Week, users can receive money back from various retailers. Here's what you should keep in mind.

Apple's AirPods Max are over-ear headphones.

Photography Do More Megapixels Mean Better Smartphone Photos?

Megapixels are an important specification for smartphone cameras. But do more megapixels actually mean better pictures?

Not only size and picture quality matter when buying a TV. You should also take a close look at the connections.

Hidden Weakness Common Mistakes People Make When Buying a TV

Many TVs Offer Too Few HDMI 2.1 Ports–This Can Become a Problem After Purchase. Here's How to Avoid the Trap.

The car's remote key fob has a limited range. However, there's a trick to extend it.

Curious Advice from Physicist Why You Should Hold Your Car Key to Your Head

It's a simple yet ingenious trick: To increase the range of a car's remote key, hold it to your head. How does it work?

Guide First Smartphone for Kids: What Parents Need to Know

What parents should consider when their child gets their first smartphone—including safety tips.