Connectivity

Analog Telephony Landline Phase-Out in Finland! Is Germany Next?

Finland Shuts Down Last Analog Landlines: What This Means for Germany and When Copper Lines Might Disappear Here

What Users Need to Pay Attention To Vodafone Revamps Its Mobile Plans

New Vodafone Mobile Plans Starting July 2026: An Overview of Changes in Data Volume, Travel Options, and Popular Plan Extras

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.

Fritz!, Devolo and Others Call for Stricter Security Regulations for Network Technology

Stricter EU Rules Demanded Manufacturers Warn of Security Risks in Internet Routers

Fritz!, Devolo, Lancom, and other router manufacturers are calling for new EU regulations for routers and network technology.

Curious Bluetooth Name Causes Airplane Emergency

A flight from Newark to Mallorca had to turn back. The trigger was a teenager's Bluetooth name, which set off a security alarm.

Surprising Market Analysis When DSL Could Disappear in Germany

Telekom is pushing forward with fiber-optic expansion. However, new figures indicate why DSL is likely to dominate for many more years.

Rates to Increase Starting in June Starlink Significantly Increases Satellite Internet Prices

Starlink Users to Pay More: Satellite Internet Provider to Raise All Prices Starting June 2026

Urgent Security Measure Current Attack! Owners of These Routers Must Act

Russian hackers are targeting routers, compromising data by exploiting security vulnerabilities. TP-Link devices are particularly affected.

Vodafone Analysis Why You Shouldn't Use Your Phone on Wednesdays!

According to Vodafone, spam calls are particularly frequent on Wednesdays. Here's why the risk increases and how to protect yourself.

With Wi-Fi 7 What Vodafone's New Fiber Optic Router Can Do

Vodafone's Ultra Hub 7 is its first proprietary router for fiber-optic connections and supports WiFi 7. TECHBOOK provides an overview.

Suspicion of Corruption Raid at Telekom Subsidiary! Investigation into Bribery

During a raid concerning potential bribery in fiber-optic expansion, numerous properties of a Telekom subsidiary were searched.

Researchers Warn Fiber Optic Cables Could Be Misused as Microphones

While they are supposed to provide fast internet, fiber optic cables could also be used for espionage, experts now say.

How Stable Is the Grid? Can the Internet in Germany Be Shut Off at the Push of a Button?

Can the internet simply be shut down? TECHBOOK explains why this is technically and legally nearly impossible in Germany.

Fritzbox 7590 set against a blue background

The story behind it Fritzboxes Lose Practical Function

New Fritzboxes Lose Repeater Mode: Fritz! (formerly AVM) Explains the Reasons and When the Feature Might Return

Fritz!OS 8.25 Fritzbox Update Fixes Wi-Fi Issues and Speed Drops

Fritz!OS 8.25 Fixes Wi-Fi Issues and Speed Losses: These Routers Get the Update First

Import Ban! Router Ban in the U.S. Turns Global Market Upside Down

New U.S. regulation bans foreign routers. Users and manufacturers face significant challenges.

Secret Number Leaked Trump's Private Cell Number Circulates in Washington

Trump's private cell phone number is reportedly making the rounds in Washington. Why the direct line to the president is causing a stir.

A significant portion of the internet relies on three cloud providers.

Cloud Infrastructure These Three Companies Keep the Internet Running

Cloudflare, AWS, and Azure form the backbone of the Internet: Why outages are felt worldwide—and what can help.

Now Available Fritz!OS 8.22 Update Fixes Speed Bug on Fritzbox

With the update to Fritz!OS 8.22, Fritz! resolves speed issues on four Fritzbox models.

MWC 2026 Fritz! Unveils New Routers, Repeaters and Wi-Fi 7 Technology

Fritz unveils new routers with Wi-Fi 7, 5G, and fiber optics at MWC 2026. TECHBOOK shows key models at a glance.

Man Talks on a Telephone Device Developed by Alexander Graham Bell

Historical Milestone 150 Years of the Telephone: How Bell's Invention Changed Communication

When Alexander Graham Bell registered his telephone on February 14, 1876, no one could have predicted how fundamentally this technology would change the world.

Users Report Fritzbox Update Suddenly Slows Down Internet

The update to FritzOS 8.2x appears to slow down the internet. The Fritzbox 5690 Pro and 7690 are particularly affected.

Now Available Fritzbox 7632 Unveiled: DSL Router with Wi-Fi 7 and Gigabit Speeds

The Fritzbox 7632 offers Wi-Fi 7, G.fast up to 1,000 Mbps, and smart home features for DSL and fiber-optic connections.

The Fritzbox has a hidden setting for data acceleration.

Hidden Feature Fritzbox Update Speeds Up Internet Connection

The Fritzbox has a hidden setting for packet acceleration. This enhances performance for gaming and streaming.

Surf the Internet safely - that's the promise of the LibreWolf browser

More Privacy When Surfing LibreWolf as a Safer Alternative to Firefox? Advantages and Disadvantages of the Internet Browser

LibreWolf protects against tracking and fingerprinting. How secure is the browser really? All details and functions at a glance.

Mobile Communications Pioneer What Actually Happened to Mannesmann?

Mannesmann launched the D2 network in 1992 as a mobile communications pioneer in Germany. The beginning of a new era in communication.

If an unknown person is on the phone, you should be careful what you say

Caution! Fraudsters Are Waiting for You to Say This Word on the Phone

If the phone rings and an unknown number calls, be skeptical. This is because scammers want you to say a certain word over the phone.

In 1990, cell phones were still quite bulky

Review The Beginnings of Mobile Communications - How the World of Cell Phones Came About

Gain an insight into an era when mobile networks were just being established in Germany and mobile telephony was still in its infancy.

New Year's Greetings Network Overload on New Year's Eve? Here's How to Send Messages Anyway

If the network is overloaded on New Year's Eve, New Year's wishes won't go through via phone or messenger. But what can you do to ensure they still get delivered?

Surveillance camera is aimed at an open laptop

Data Retention New Dispute Over Internet Surveillance Ignites

Hate postings, online fraud, and sexual offenses on the internet have been troubling for years. Now, a new effort is being launched to combat them.