I used 14 secret codes to unlock menus of settings on my iPhone and Android - how it works

Dial these secret short codes on your phone to unlock hidden settings, secret menus, and powerful features most users never discover.
KQED

Why Your Phone May Get a Loud Earthquake Test Alert Today — and How the MyShake App Works

The most widespread way is through Wireless Emergency Alerts (WEA), which sends loud alerts to all cellphones. If an ...
Tech Advisor on MSN

Apple iPhone 17 review: This is the year to upgrade

At a glance Expert's Rating Pros ・More storage for the same price as last year’s model ・120Hz ProMotion and Always-On Display ...