The osimulator blog
Practical, vendor-neutral writing about the Settings menus you actually use — on phones, desktops, watches, TVs, cars and consoles. Every article links straight into the live simulator so you can walk the menu yourself.
How to turn on dark mode on any device
Learn how to turn on dark mode on iOS, Android, macOS, Windows 11, ChromeOS and Ubuntu, schedule it at sunset, and fix apps that ignore the system theme.
CompareiOS vs Android settings, compared menu by menu
iOS vs Android settings compared: how each menu is organised, where the same task lives on both, the naming differences, and which one is quicker to learn.
How-toWhere is the VPN setting on your device?
Where is the VPN setting on iOS, Android, macOS, Windows and Ubuntu? Find the exact menu path, tell a system profile from a VPN app, and confirm it is on.
How-toHow to free up storage on your phone
Learn how to free up storage on iPhone and Android, read the storage breakdown, understand System and Other, and skip the cleanups that never reclaim space.
How-toHow to add an eSIM on iPhone and Android
Learn how to add an eSIM on iPhone and Android, what a carrier QR code holds, how to transfer a line to a new phone, and what to check if activation fails.
How-toHow to take a screenshot on any device
Learn how to take a screenshot on iPhone, Android, Mac, Windows, ChromeOS, Ubuntu, Apple Watch and consoles, plus scrolling captures and where the files land.
ExplainerThe iOS Settings app, explained top to bottom
The iOS Settings app explained block by block, from the Apple Account card down to per-app panels, plus how to search when a toggle refuses to turn up.
ExplainerThe Android Settings menu, explained section by section
Android settings explained block by block, from Network and internet through to System, plus why manufacturer skins move things and how search saves you.
ExplainerThe Windows 11 Settings app, explained section by section
Windows 11 settings explained sidebar section by section, what still opens Control Panel, how to find a control fast, and what changed since Windows 10.
ExplainermacOS System Settings, explained after the Ventura redesign
macOS system settings explained after the Ventura redesign: the sidebar order, which panes moved, where privacy and login items sit, and how to search it.
ComparemacOS System Settings vs the Windows Settings app
macOS vs Windows settings compared: sidebar layouts, the legacy Control Panel problem, search behaviour, and where display, network and update options live.
LearnA ten-minute privacy settings checklist for every device you own
Run this privacy settings checklist on iOS, Android, Windows and macOS: location precision, ad tracking, microphone and camera access and lock screens.
How-toThe settings that actually improve battery life (and the myths)
Find the settings to improve battery life that measurably work, from brightness and refresh rate to background refresh, and learn to read battery screens.
How-toHow to manage notifications without silencing everything
Learn how to manage notifications properly: Android channels, iOS Focus and Summary, Windows priority rules, and a triage method that actually sticks.
How-toHow to set up a passcode, Face ID or fingerprint unlock
Learn how to set up Face ID, fingerprint and Windows Hello, choose a strong passcode, tune screen-lock timeouts and control what your lock screen reveals.
How-toHow to factory reset a device safely (and what it does not erase)
Learn how to factory reset a phone, tablet or computer safely: what a reset really erases, the sign-outs to do first, and where the option sits on each OS.
How-toHow to change system language, keyboard and region settings
See how to change system language, keyboard input and region format on iOS, Android, Windows, macOS and ChromeOS, plus why dates and currency follow region.
LearnThe accessibility settings worth knowing on every operating system
Find the accessibility settings that matter on iOS, Android, macOS, Windows, ChromeOS and Ubuntu: screen readers, text size, reduce motion and captions.
CompareChromeOS vs Ubuntu for beginners
ChromeOS vs Ubuntu for beginners: how each handles updates, apps, files, printing and privacy, plus an honest look at who each desktop actually suits.
ComparewatchOS vs Wear OS settings, compared
watchOS vs Wear OS compared: what you can change on the watch, what needs the phone app, and how faces, notifications, workouts and battery modes differ.
ComparePlayStation vs Xbox settings, menu by menu
PlayStation vs Xbox settings compared: accounts and family, storage, HDR and video output, accessibility, power modes and network menus on both consoles.
ExplainerWhat a settings menu actually is under the hood
What is a settings menu really? A front end over preference stores, layered defaults and per-app scopes, and why every operating system grows a similar tree.
LearnHow settings menus changed, from icon grids to searchable sidebars
See how settings menus changed from Mac OS X System Preferences and Windows Control Panel to searchable sidebars, and how to track renames version by version.
LearnTeaching device skills with a settings simulator
Teach device skills with a simulator in classrooms and helpdesk training: safe practice, repeatable walkthroughs and clean screenshots for your support docs.
LearnTry iOS and Android online, without owning either device
Try iOS online alongside Android and 40 more systems in your browser, with no download, and learn exactly what a settings simulator can and cannot show you.
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