Guides that fix real phone problems
The built-in way, the catch, and the app that makes it effortless. Practical how-tos for Android and iPhone, written by the developer behind the apps.
How to Record Video With the Screen Off on iPhone
Want to record video on iPhone with a black screen so the display stays dark? Here is what iOS allows, the tricks people try, and the camera app that does it properly.
3 min read · iPhoneHow to Open Your Favourite Apps With the Power Button on Android
Turn a long press of the power button into a launcher for the apps and shortcuts you use most on Android, instead of the assistant or the power menu. Works on Pixel, Samsung and most other phones.
3 min read · AndroidHow to Get an Alert When Your Android Phone Is Fully Charged
Android does not tell you when the battery hits 100%. Here are the built-in options by brand, why notifications get missed, and how to make your phone ring like a call the moment it is charged.
2 min read · AndroidPhone Storage Full? 9 Ways to Free Up Space on Android
Android says storage is almost full and apps are refusing to update. Nine fixes that actually recover gigabytes, from the built-in Files app to finding the duplicates, junk and huge videos hiding on your phone.
2 min read · AndroidHow to Record Video Discreetly on iPhone (Without Lighting Up the Room)
Record video on iPhone without a glowing screen drawing attention: the settings that help, what the law expects, and a Blackout mode that keeps the display dark with a visible indicator.
3 min read · iPhoneHow to Put a QR Code on Your Android Home Screen (UPI, Wi-Fi, Profiles)
Stop opening apps to show a QR code. Learn how to pin your UPI payment code, Wi-Fi code or profile link to the Android home screen as a widget, so it is ready the moment you unlock.
2 min read · AndroidHow to Lock Apps on Android Without a PIN or Pattern
PINs get watched and patterns leave smudges. Learn how to lock apps on Android with a password nobody can see you enter: three secret taps on a photo, plus fingerprint recovery and uninstall protection.
2 min read · AndroidHow to Find Out Who Is Using Your Phone Behind Your Back
Apps opened that you did not open, battery gone overnight, chats marked read: signs someone is using your Android phone. How to check, how to catch them with a silent selfie, and how to lock it down.
2 min read · AndroidHow to Put a Floating Photo Locket on Your Android Screen
A photo that stays on top of every app, swinging on a thread with real gravity, and launches your favourite apps on tap: how to add a floating locket to Android and tune it so it never gets in the way.
2 min read · AndroidHow to Hide Photos and Videos From the Gallery on Android
Keep private photos, videos and documents out of the gallery and file managers on Android: Private Space, Locked Folder, Secure Folder, and a vault that stores files in a hidden folder with no cloud.
2 min read · AndroidHow to Put a Year Progress Bar on Your Android Wallpaper
See how much of the year, month or day has already passed every time you unlock your phone. How to set a live year-progress wallpaper on Android, with dot grids, gradients or your own photo.
2 min read · AndroidHow to Take Quick Notes on Android Without Leaving the App You Are In
A number in a call, an idea mid-video, an address in a chat: how to jot it down on Android without switching apps, using a floating note editor that stays on top of whatever you are doing.
2 min read · AndroidTilted, Crooked Videos? How to Keep the Horizon Level on iPhone
iPhone videos coming out crooked? Learn why the horizon tilts, what the built-in Level guide does and does not do, and how to record a perfectly level video without a gimbal.
3 min read · iPhoneHow to Stop Charging at 80% on Android to Protect Battery Health
Keeping the battery between 20 and 80 percent slows its ageing. Learn which phones can cap charging themselves, and how to get a call-style alert at 80% (and 20%) on any Android phone.
2 min read · AndroidHow to Copy Text From Any Screen on Android (Even When It Won't Select)
Text that refuses to be selected in an app, an image or a video thumbnail? Here is how to grab it on Android with Recents text selection, Lens, and a one-press menu that copies everything on screen.
2 min read · AndroidHow to Record With the Front and Back Camera at the Same Time on iPhone
Record yourself and what you see at once: how dual camera video works on iPhone, why the Camera app cannot do it, which iPhones support it, and the app that records both cameras into one clip.
3 min read · iPhoneHow to Find and Delete Duplicate Photos on Android
Burst shots, re-downloads and screenshots leave hundreds of duplicate and near-identical photos on Android. Learn how to find exact and look-alike duplicates and delete them safely, without uploading anything.
2 min read · AndroidHow to Blur the Background in a Video on iPhone (Live, While Recording)
Blur the background behind you in iPhone videos without editing: what Cinematic mode needs, where it falls short, and an on-device AI mode that blurs everything except people on any recent iPhone.
3 min read · iPhoneHow to Create a Custom QR Code on Android (Colours, Patterns, Your Style)
Make a QR code for a link, text, phone number, Wi-Fi network or contact on Android, then customise its colours and pattern so it fits your brand, without websites that keep your data.
2 min read · AndroidHow to Lock WhatsApp on Android So Nobody Can Read Your Chats
WhatsApp's own app lock, chat lock, and a picture-based app lock that hides what the password even looks like: three ways to keep your WhatsApp chats private on Android, and when to use each.
2 min read · AndroidHow to Keep Private Videos Out of the Photos App on iPhone
Stop personal recordings landing in the Photos app, iCloud Photos and shared albums: how the Hidden album really works, and how to record videos that stay in a locked, private library instead.
3 min read · iPhoneHow to Search Anything on Your Android Screen With Google Lens
Identify a product, plant, outfit or landmark that is on your screen right now: Circle to Search where available, the screenshot route, and a power-button menu that sends your screen to Google Lens on any Android phone.
2 min read · AndroidHow to Set an Alarm If Someone Unplugs Your Charging Phone
Charging in a café, library, airport or shared office? Learn how to make your Android phone sound a siren the instant the charger is pulled, with a PIN or fingerprint needed to stop it.
2 min read · AndroidHow to Compress Videos on Android Without Losing Much Quality
Videos are usually the biggest files on an Android phone. Learn how to compress them on the device with quality profiles you choose, replace the originals safely, and keep the clips that matter.
2 min read · AndroidHow to Take an Intruder Selfie When Someone Opens Your Apps on Android
Some phones snap a photo after a wrong unlock attempt, but nothing watches your apps. Learn how to set up an intruder selfie for specific apps on any Android phone, with a hidden, PIN-protected log.
2 min read · AndroidHow to Add a Floating Shortcut That Launches Apps From Any Screen on Android
Home screen icons are useless while you are inside another app. Learn how to add a floating shortcut on Android that opens up to three apps with a tap, a double tap or a pull, from anywhere.
2 min read · AndroidHow to Keep Private Notes on Android Without Any Cloud Sync
Passwords, personal thoughts and sensitive details should not sit in a synced notes app. Learn how to keep PIN-protected private notes on Android that never leave the phone, inside a hidden vault.
2 min read · AndroidHow to Make a Countdown Wallpaper for an Exam, Trip or Event on Android
Days left until the exam, the wedding, the flight: put a live countdown on your Android wallpaper so you see it every time you unlock, styled as dots, a bar or over your own photo.
2 min read · AndroidAndroid Volume Too Low? How to Boost It Safely
Quiet videos, soft podcasts, a voice note you cannot hear: why Android caps media volume, what to check first, and how to boost the volume past the limit when you need it, without wrecking the speaker or your ears.
2 min read · AndroidHow to Lock Videos Behind Face ID on iPhone
Keep your videos behind Face ID or Touch ID on iPhone: the Hidden album lock, locked Notes, and a video recorder whose whole library asks for Face ID every time you open it.
2 min read · iPhoneHow to Lock Apps So No One Can Guess or Watch Your Password
Shoulder surfing, smudge patterns and 1234: why most app locks fail in the real world, and how to set up an Android app lock that cannot be read over your shoulder.
2 min read · AndroidHow to Share Your Wi-Fi Password With a QR Code on Android
Let guests join your Wi-Fi with one scan instead of spelling out a password. The built-in Android Wi-Fi QR option, how to keep the code on your home screen, and how to make a printed one for your home or shop.
2 min read · AndroidHow to Record iPhone Video With AirPods or a USB Microphone
Get clean audio in iPhone videos by recording with AirPods, a USB-C microphone or a lavalier: what the Camera app supports, what it does not, and a recorder that lets you pick the input yourself.
3 min read · iPhoneLong-Press Power Button Opens Gemini or Bixby? How to Make It Useful Instead
Tired of Gemini, Google Assistant or Bixby popping up when you hold the power button? Learn how to change the gesture on Pixel and Samsung, bring back the power menu, or replace the assistant with a menu you design.
2 min read · AndroidLow Battery Alerts You Can't Miss: Make Your Android Phone Call You
Keep missing the 15% warning and ending the day with a dead phone? Learn how to set a low battery alert on Android that rings like an incoming call at the level you choose.
2 min read · AndroidHow to Clear Junk and Cache Files on Android Safely
What counts as junk on Android, what is safe to delete, and what to leave alone: temp files, unfinished downloads, old APKs, logs, thumbnails and app caches, cleared without touching your data.
2 min read · AndroidHow to Record Square or Vertical Video Directly on iPhone (No Cropping Later)
Record 1:1 square or 9:16 vertical video straight from the camera on iPhone instead of cropping in an editor: why the Camera app always records 16:9 and how to pick the frame shape before you shoot.
2 min read · iPhoneHow to Keep a Loved One's Photo Always on Your Android Screen
Wallpapers vanish behind apps and widgets stay on the home screen. Here is how to keep a photo of someone you love visible on top of everything on Android, as a small locket that opens their chat with a tap.
2 min read · AndroidHow to Know If Someone Opened Your WhatsApp or Gallery
Suspect someone has been reading your WhatsApp or scrolling your photos? Learn the clues Android gives you, how to keep a timestamped log with a photo of who opened the app, and how to stop it happening again.
2 min read · AndroidHEVC vs H.264 on iPhone: Which Video Format Should You Record In?
High Efficiency (HEVC) or Most Compatible (H.264)? Learn what each format means for file size, quality, HDR and sharing from iPhone, where to change it, and when to switch.
2 min read · iPhoneHow to Download Files Privately on Android Without Leaving a Trace
Incognito tabs do not hide downloads: the file lands in Downloads and the gallery, and the download list remembers it. Learn how to browse and download straight into a hidden vault on Android.
2 min read · AndroidHow to Track a Habit or Goal From Your Android Lock Screen
Habit apps get buried and forgotten. Put your 75 Hard, 100 days of coding or any streak on the Android lock screen as a live wallpaper that fills up as you go, so the goal is the first thing you see.
2 min read · AndroidHow to Record a Voice Memo From Any Screen on Android
Capture a thought, a lecture or a conversation note without switching apps: how to start a voice recording on Android from a floating button that stays on top of whatever you are doing.
2 min read · AndroidiPhone Videos Too Large? How to Record Smaller Video Files
Running out of space or stuck on "video too large to send"? The settings that shrink iPhone video files before you record: resolution, frame rate, HEVC, clip length, and a recorder that makes them easy to set.
2 min read · iPhoneHow to Scan a QR Code From a Screenshot or Image on Android
The QR code is on your own screen, in a screenshot or a saved image, so the camera cannot point at it. Here is how to read it with Google Lens, Google Photos and a scanner that reads codes straight from the gallery.
2 min read · AndroidHow to Lock Your Gallery App on Android
Photos are the most private thing on a phone, and the gallery has no password. Learn how to lock Google Photos or your gallery app on Android, and how to do it with a code nobody can watch you enter.
2 min read · AndroidHow to Use App Shortcuts on Android to Jump Straight Into Actions
App shortcuts take you to a specific action instead of an app's home screen: a new note, a chat, a route home. Learn where they hide on Android, how to pin them, and how to collect them in one power-button menu.
2 min read · AndroidHow to Set a Daily Charging Reminder on Android
Forget to plug in at night and wake up to 8%? Set a bedtime charging reminder on Android that only rings when the battery is actually low, so you never start the day on empty.
2 min read · AndroidHow to Find the Large Files Eating Your Android Storage
A handful of huge files usually explains a full phone. Learn how to find files over 100 MB, 500 MB, 1 GB and 5 GB on Android, decide what to do with each, and recover gigabytes in minutes.
2 min read · Android5 Things the iPhone Camera App Cannot Do While Recording Video (and How to Do Them)
Black screen recording, a horizon that stays level, both cameras at once, background blur on any iPhone and recordings that stay out of Photos: five limits of the iPhone Camera app and one free app that lifts them.
2 min read · iPhone