How do I stop my phone screen dimming or locking too fast?
The auto-lock setting, the battery saver that overrides it, and the ways to keep a screen on for a recipe or a map.
beginner5 min2 min read
Phones
Storage, battery, backups and setup.
84 guides in Technology
How do I use a phone one-handed?
Reachability, one-handed keyboards and the settings that bring the top of a large screen back within reach.
beginner10 min2 min readWhat does battery health percentage actually mean?
What the figure measures, why it falls the way it does, the threshold at which it starts to matter, and how the same reading should be read differently on a phone and a laptop.
beginner15 min5 min readWhat is the difference between resetting settings and a factory reset?
Resetting settings returns every toggle to default and keeps your data. A factory reset erases the phone completely. One is a five-minute diagnostic; the other is a last resort.
intermediate25 min4 min readWhich screen protector should I get, and how do I fit it without bubbles?
Tempered glass for almost everyone, fitted in a steamy bathroom after a proper alcohol-and-dust clean. Bubbles are dust; hairline bubbles at the edge are curvature.
beginner20 min4 min readWhy does my phone say No SIM or SIM not supported?
Four causes: a tray or contact problem, a failed SIM, a network-locked handset, or a SIM the network has deactivated. Two swap tests separate them in five minutes.
beginner20 min4 min readHow do I set up a phone or tablet for an older relative?
Accessibility settings, simplified layouts and the security setup that prevents most of the problems that follow.
beginner1 hr 30 min3 min readHow does a dual SIM phone actually work?
Two numbers on one handset, both receiving calls and texts, but only one carrying data at a time. The routing settings for data, calls and messages are separate and none of them defaults usefully.
beginner20 min5 min readWhy does my phone get so hot?
What causes phone overheating, which cases are normal, and when it signals a genuine problem.
beginner15 min2 min readWhy does my phone keep restarting by itself?
Four causes, distinguishable by pattern: a failing battery that cannot sustain peak current, an app or system fault, overheating, or physical damage. The pattern tells you which.
intermediate40 min5 min readHow do I clean a phone properly without damaging it?
A slightly damp microfibre cloth for the screen, a soft dry brush for the grilles, and a wooden toothpick for the charging port. What ruins phones is alcohol, kitchen cleaner and compressed air.
beginner15 min4 min readHow do I pay with my phone or watch?
Adding a bank card to a phone or watch, why it is more secure than the plastic card, and what happens if the phone is lost or the battery dies.
beginner15 min3 min readHow do I set up a focus mode or Do Not Disturb properly?
Do Not Disturb silences everything; a focus mode is a named profile with its own allow list, schedule and even its own home screen. Configure the exceptions before you trust it.
beginner25 min4 min readIs it bad to leave low power mode or battery saver on all the time?
It does no harm to the battery and is a reasonable permanent setting on an older phone — as long as you understand exactly which things it stops, because some of them matter.
beginner10 min3 min readShould I clear the cache, clear the data, or reinstall an app?
Three escalating steps with very different costs. Clear the cache first because it costs nothing; only go further when it has not worked, and know what each step throws away.
beginner12 min4 min readWhy do calls go straight to voicemail?
The phone never rings and the caller hears the greeting immediately. Six causes, only two of which are on the phone at all, and the test that tells you which within a minute.
beginner20 min5 min readWhy is there a green, pink or black line down my phone screen?
A line is a panel or connector fault, not software. What kind it is — solid colour, black, flickering, appearing after a drop or when warm — points at which part failed and what a repair will cost.
beginner20 min4 min readDoes a phone case actually protect a phone, and which type?
Yes, and the features that matter are unglamorous: a raised lip around the screen and camera, corner bulk, and grip. Thickness alone is not protection.
beginner15 min4 min readWhat is phone screen burn-in and can it be fixed?
Burn-in is permanent uneven wear in an OLED panel. Image retention looks similar and fades on its own. Telling them apart takes two minutes and determines whether anything can be done.
beginner15 min4 min readHow do I check whether my phone is network unlocked?
Put another network's SIM in it. That is the whole test. If it works, it is unlocked; if it refuses, ask the network that sold it, which will unlock it free.
beginner15 min3 min readWhat is RCS, and why are some messages green and some blue?
The messaging standard that finally replaced plain texts between iPhone and Android, what it changes about privacy and picture quality, and what the colours in your messages app actually indicate.
beginner20 min6 min readWhat is an eSIM and should I switch to one?
What changes when the SIM becomes software, where it is genuinely better, and the two situations where a plastic SIM is still easier.
beginner15 min3 min readWhy does my phone screen brightness keep changing on its own?
Three different systems dim your screen and people blame all of it on auto-brightness. Adaptive brightness learns from you, thermal protection dims when hot, and battery saver dims on its own schedule.
beginner15 min4 min readWhy has my wireless charging stopped working properly?
Almost always alignment, something in the gap, or the adapter behind the pad — not the phone. Four checks in order settle it.
beginner15 min4 min read
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