Tech on Nalar

2.4 GHz vs 5 GHz vs 6 GHz Wi-Fi: Which Band Should You Use?

Wed, 02 Sep 2026 00:00:00 +0700

Modern Wi-Fi routers often advertise two or three frequency bands: 2.4 GHz, 5 GHz, and, on newer equipment, 6 GHz. They all carry network traffic wirelessly, but they behave differently when it comes to range, speed, congestion, and compatibility.

There is no single “best” band for every device. A phone in the same room as the router has different needs from a smart plug two walls away. Understanding the trade-offs makes it easier to diagnose slow connections and place devices on the band that suits them best.

How to Free Up Phone Storage Without Deleting the Wrong Things

Wed, 02 Sep 2026 00:00:00 +0700

A phone can run low on storage even when it does not seem to contain many obvious files. Photos, videos, app data, downloads, offline media, message attachments, cached files, and temporary data can all grow quietly over time.

The safest way to recover space is not to start deleting at random. First identify what is using storage, then remove items whose purpose you understand. That reduces the chance of losing important photos, documents, conversations, or app data.

Mesh Wi-Fi vs a Traditional Router: What Changes at Home?

Wed, 02 Sep 2026 00:00:00 +0700

A traditional home Wi-Fi setup often has one wireless router serving the entire house. A mesh Wi-Fi system instead uses multiple coordinated access points, commonly called nodes, placed in different areas.

The main reason to choose mesh is coverage. It can bring a strong local Wi-Fi signal closer to rooms that are difficult for one router to reach. It does not, however, create a faster internet subscription or guarantee higher speeds everywhere.

What Browser Cache Does and When to Clear It

Wed, 02 Sep 2026 00:00:00 +0700

Web browsers routinely save copies of some website resources on your device. This local storage is called a browser cache, and it exists mainly to make repeated visits more efficient.

Caching is usually helpful. It can reduce unnecessary downloads, make pages feel faster, and lower network usage. But cached resources can occasionally become stale or conflict with a website that has changed, which is why clearing the cache is a common troubleshooting step.

Why USB-C Cables Do Not All Work the Same Way

Wed, 02 Sep 2026 00:00:00 +0700

USB-C makes connectors simpler because the plug is reversible and the same shape appears on phones, laptops, tablets, monitors, chargers, storage devices, and many accessories. The confusing part is that the connector shape does not tell you everything the cable can do.

Two USB-C cables can look almost identical while supporting very different charging power, data speeds, or display features. One may be suitable only for basic charging, while another can handle fast external storage, a high-resolution monitor, and laptop charging.