Phones & Batteries
Battery life, charging, screens and the habits that make a phone last.
How Many Times Will a Power Bank Charge My Phone? (The Real Maths)
Why a 10,000 mAh power bank does not give two full charges to a 5,000 mAh phone, how to calculate real charges in watt-hours, and how to pick the right size for travel.
Phones & BatteriesPhone battery draining fast: worn battery or a rogue app first?
Check battery health, then the usage graph, then signal and recent installs. One order, so you don't fix the wrong thing.
Phones & BatteriesHow Do Cell Phones Affect People? Sleep, Focus, Health and Radiation, Explained
What research says about how smartphones affect sleep, attention, posture, driving and mental health, what is known about phone radiation, and practical ways to use your phone better.
Phones & BatteriesAndroid Versions Explained: From Oreo to Android 16, and How to Check Yours
Every Android version since 8.0 Oreo, the features each added, how to check which version your phone runs, and why updates and security patches matter.
Phones & BatteriesBluetooth 5.0 vs 5.3 vs 5.4 vs 6.0: What Each Version Actually Changes
What changed in every Bluetooth version since 5.0, what LE Audio and Auracast mean, why both devices must support a feature, and when the version number matters for headphones.
Phones & BatteriesHow to Make Your Phone Battery Last Longer: 15 Tips That Actually Work
Battery tips that make a measurable difference on iPhone and Android, the myths you can ignore, and how to keep the battery healthy for years with charge limits.