Why Your Phone’s GPS Drifts in Cities and Tunnels — and How to Fix It

Why Your Phone’s GPS Drifts in Cities and Tunnels — and How to Fix It

Your blue dot lands on the wrong sidewalk, hops between skyscrapers, or freezes the moment you enter a tunnel. That doesn’t mean your phone is defective. In open terrain, a smartphone’s GPS typically lands within a radius of about 4.9 meters, according to the U.S. government’s official GPS resource. In a dense city, signals bounce … Read more

WHO, Pediatricians, and Spain’s Expert Committee Diverge on Kids’ Screen Time

WHO, Pediatricians, and Spain’s Expert Committee Diverge on Kids’ Screen Time

Three authorities have issued children’s screen-time guidance with different thresholds. The World Health Organization advises no screens before age 2 and at most one hour daily for ages 2 to 4. The Spanish Association of Pediatrics (AEP) goes further: avoid screens until 6, under one hour daily until 12, and under two hours after that. … Read more

Wangiri Scam: Why a Missed Foreign Call Can End Up on Your Bill

Wangiri Scam: Why a Missed Foreign Call Can End Up on Your Bill

A single ring, a hang-up and a foreign number in the call log—often +355, +225 or +234—is bait. Calling back connects you to a premium-rate line, with a cut going to the fraudster. The Guardia Civil has warned about wangiri since at least 2016; Maldita.es compiled its alerts in June 2022. The risk is billing … Read more

Safe Listening Limits: How iPhone and Android Track Your Weekly Sound Dose

Safe Listening Limits: How iPhone and Android Track Your Weekly Sound Dose

Headphone safety is now a software issue as much as a hearing-health one. The World Health Organization and European regulators converge on a simple weekly budget: 80 decibels for 40 hours per week. Above that, the safe allowance collapses. At 90 dB, the WHO estimates four hours; at 100 dB, about 20 minutes. Since most … Read more

Stalkerware on Your Phone: Warning Signs, Checks and Safe Response

Stalkerware on Your Phone: Warning Signs, Checks and Safe Response

TechNews DevTop examines stalkerware: software used by someone close to the victim to monitor a phone in secret. Unlike random malware, it usually arrives through physical access and an unlocked screen. The Coalition Against Stalkerware—a domestic-violence and cybersecurity alliance founded in November 2019—warns that hasty deletion can alert the installer and intensify abuse. Safety planning … Read more

Microfiber, Water and 70% Alcohol: How to Clean Screens and Keyboards Properly

Microfiber, Water and 70% Alcohol: How to Clean Screens and Keyboards Properly

Cleaning a phone, notebook or keyboard looks simple until fingerprints, grease and crumbs sit on a finish you want intact or moisture reaches a port. Apple and Samsung share a route: switch off, wipe with a barely damp microfiber cloth, and for disinfection put 70% isopropyl alcohol on the cloth, not the device. Bleach, glass … Read more

Inside Your Phone’s Camera: How Software Turns Bursts Into Photos

Inside Your Phone’s Camera: How Software Turns Bursts Into Photos

When you press the shutter, a modern smartphone has already been watching. It captures a stream of frames, picks the sharpest, aligns them and averages away noise. The result looks like one photograph, but it is a software composite: computational photography in action. Bursts, not single shots: Phones merge several frames to suppress noise and … Read more

Smartphone Overheating: Separating Normal Warmth From Real Hardware Risk

Smartphone Overheating: Separating Normal Warmth From Real Hardware Risk

Smartphones warm up, and manufacturers say so without hedging. In most cases that heat is the byproduct of ordinary work rather than evidence of a fault. The distinction that matters is between a device that gets warm under load and one that fires off repeated temperature warnings, heats up while sitting idle, develops a scorching … Read more

WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

WhatsApp chats may feel as if they live inside the app, but the history sits on the phone—and the backup lands in Google on Android or iCloud on iPhone. As of October 2026, WhatsApp is also testing its own cloud storage, a third path not yet universally available. Because WhatsApp does not store chat history … Read more

Phone Stolen? A 60-Minute Playbook to Lock It and Save Your Money

Phone Stolen? A 60-Minute Playbook to Lock It and Save Your Money

A stolen handset is replaceable hardware. The bank apps, email inbox and messaging accounts sitting behind its lock screen are not. That is why the first sixty minutes after a theft should follow a fixed sequence rather than panic: lock the device, cut the SIM, secure the money and the accounts, and only then file … Read more