Does your iPhone support iOS 27?
Choose the exact iPhone model to see whether Apple lists it as supported, unsupported, or requiring device-level verification.
Check an iPhone model →Apple troubleshooting · English
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Check iOS 27 compatibility, resolve an update error, troubleshoot Face ID, prepare an iPhone for sale, diagnose Mac storage, or free space safely.
iOS 27 won't update?
Match the exact alert to a safe next step for checking, verification, storage, or installation errors.
Find the update error →Face ID not working?
Separate a normal passcode prompt from recognition trouble, then check settings, camera obstructions, and when to seek service.
Troubleshoot Face ID →Factory reset an iPhone before selling it
Verify a backup and transfer, choose the right eSIM option, erase local data, and check Activation Lock before handover.
Follow the sale checklist →Is AssetsV2 safe to delete on a Mac?
Measure the folder, identify any matching Simulator Runtime, and remove only a confirmed unused component through Xcode.
Run the AssetsV2 decision helper →iPhone storage full? Start here.
Find the largest device-storage categories, then clear replaceable downloads before touching synced photos or app data.
Free space without losing data →Convert HEIC to JPG in your browser
Convert a still iPhone HEIC photo without uploading it. Keep the original for Live Photo, HDR, and metadata.
Open the HEIC converter →Apple problem path
iOS updates and compatibility
Confirm device support, fix the exact download or installation error, then review features and decide whether to update.
Which iPhones Support iOS 27? Full Compatibility List
Does iOS 27 support your iPhone? Check Apple's complete list for iPhone 11, SE 2, XR, XS, X, and newer models, plus update and feature limits.
Read the guide →iOS 27 Won't Update? Fix Unable to Check, Verify, or Install Errors
Use the exact iOS 27 error message to choose the right fix for a missing update, failed verification, low storage, a stalled install, or a computer update error.
Read the guide →Should You Update to iOS 27? A Practical Upgrade Checklist
Decide whether to install iOS 27 now or wait by checking device support, backup status, critical apps, storage, battery health, and feature availability.
Read the guide →What's New in iOS 27? Features, Supported iPhones, and Limits
A practical iOS 27 feature guide covering system improvements, Siri AI, Photos, Safari, child safety, device requirements, regional limits, and delayed features.
Read the guide →Reduce Liquid Glass on iPhone: Transparency, Motion and iOS Settings
Adjust the iOS 27 Liquid Glass slider or Clear/Tinted controls, reduce transparency and motion, and troubleshoot unavailable appearance settings.
Read the guide →How to Use Split View on iPhone Duo: Two Apps, Pairs and Exit
Follow Apple's iPhone Duo guide to open two apps or two windows, switch sides, pair apps, and return to full screen or Home.
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Mac storage
Identify System Data and managed developer components before deleting anything from protected locations.
What Is AssetsV2 on Mac? Is It Safe to Delete?
AssetsV2 is a macOS-managed asset folder. Do not delete it wholesale. Diagnose its contents, then remove only unused Xcode Simulator Runtimes using supported tools.
Read the guide →Mac System Data Too Large? Find the Cause Before Deleting Files
Mac System Data is a storage category, not one folder. Measure free space, identify large files and developer components, and clean up without deleting protected system directories.
Read the guide →How to Delete Xcode Simulator Runtimes and Free Mac Storage
Identify unused iOS, watchOS, tvOS, or visionOS Simulator Runtimes, remove one version through Xcode Components, and verify the disk space actually returned.
Read the guide →Find and Delete iPhone Backups on Mac: Archive or Remove?
Locate MobileSync backups in Finder, decide whether to archive or delete, and check the device, date and encryption before removing a local backup.
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Mac mini and M-series chips
Choose a chip for your workload, then set up displays, external storage, and safe headless access.
Mac mini Setup Guide: Displays, External SSDs and Remote Access
Set up your Mac mini in a safe order: identify the model, connect displays, plan external storage and backups, then test headless access.
Read the guide →M4 vs M4 Pro: CPU, GPU, Memory and Which Mac Needs Pro
Compare Apple's M4 and M4 Pro specs across 2024 Macs: CPU and GPU configurations, unified memory, bandwidth and ports. Choose for your workload without invented benchmark claims.
Read the guide →Should You Upgrade Mac mini M4 to M6? Check the Real Bottleneck
Already own an M4 Mac mini? Compare Apple’s M6 memory ceiling, ports, displays, networking and qualified performance claims against your actual workload before replacing it.
Read the guide →Connect Displays to Mac mini: Ports, Multiple Monitors and Black Screens
Check model-specific display limits, choose the correct Mac mini ports, arrange an extended desktop and isolate black-screen or flickering problems.
Read the guide →Mac mini External SSD Guide: Format, Move Files and Fix Disconnects
Choose APFS or exFAT for a Mac mini SSD, move files and a Photos library safely, and troubleshoot read-only disks, disconnections and slow transfers.
Read the guide →Headless Mac mini Setup: Screen Sharing, SSH and Restart Checks
Prepare Mac mini remote access before removing its display. Restrict users and test lock, sleep, restart and FileVault recovery without exposing ports publicly.
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Messages, calls, and cellular
Separate activation, phone-number, carrier, coverage, and delivery problems before resetting accounts or network settings.
iPhone Says SOS, No Service, or Searching? Restore Cellular Service
Troubleshoot SOS, No Service, and Searching by checking coverage, Airplane Mode, carrier settings, Dual SIM or eSIM, roaming, account status, and possible hardware faults.
Read the guide →iMessage or FaceTime Stuck on Waiting for Activation? Fix the Phone Number
Fix Waiting for Activation, Activation Unsuccessful, or a missing phone number by checking connectivity, date and time, SIM/eSIM status, SMS capability, and the 24-hour carrier verification window.
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iPhone storage, iCloud, and backup
Separate device capacity, cloud allowance, photo sync, and backup status before removing irreplaceable data.
iCloud Photos Not Syncing? Find Where Your Photos Are Stuck
Photos missing on your iPhone or Mac? Compare the source device, iCloud.com, and destination, check paused sync and storage, and verify without deleting your library.
Read the guide →iCloud Backup Failed? Fix Storage, Stuck Backups, or a Gray Button
Can't back up your iPhone to iCloud? Compare Next Backup Size with available storage, troubleshoot a stuck or unavailable backup, and verify it actually finished.
Read the guide →iPhone Storage Full? Free Space Without Losing Photos or App Data
Find what is filling your iPhone, then safely clear apps, downloads, photos, messages, and files without confusing device storage with iCloud storage.
Read the guide →iCloud Storage Full? Free Space Without Deleting the Wrong Photos
Safely review iCloud backups, photos, Drive files, Messages, and Mail, understand which deletions sync to every device, and decide when an iCloud+ upgrade is safer.
Read the guide →How to Back Up an iPhone: iCloud, Mac, or Windows
Choose the right iPhone backup method, verify that it finished, understand what synced data is excluded, and protect Health data with an encrypted computer backup.
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Battery life and temperature
Use daily activity, battery health, and temperature evidence to separate normal load, temporary protection, and service symptoms.
How to Check iPhone Battery Health and Decide When to Replace It
Find Battery Health by iPhone model, read Maximum Capacity and cycle count, and decide when a Service message or symptoms call for an Apple battery evaluation.
Read the guide →How to Check MacBook Battery Health, Cycle Count, and Service Status
Find Battery Health and cycle count on a MacBook Air or Pro, distinguish an 80% charge limit from 80% maximum capacity, and decide when to seek service.
Read the guide →iPhone Battery Draining Fast? Find the Cause Before Changing Settings
Use Daily Usage, app activity, cellular coverage, update analysis, and Battery Health to separate temporary drain from settings, signal, or an aging battery.
Read the guide →iPhone Overheating? What to Do and When to Stop Using It
Separate normal warmth during setup, updates, games, camera use, or wireless charging from Charging On Hold, temperature warnings, and hardware danger signs.
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Unlocking, charging, and recovery
Separate Face ID recognition from passcode, power and startup faults; verify backups and erase consequences before recovery or handover.
iPhone Not Charging or Charging Slowly? Check the Power Path
Trace the outlet, adapter, cable, port, temperature, charge limit, and liquid alert before deciding that the battery has failed.
Read the guide →iPhone Won’t Turn On or Has a Black Screen? Follow This Order
Separate a black screen, low-battery icon, frozen Apple logo, boot loop, and recovery screen before choosing force restart, charging, update, or restore.
Read the guide →Face ID Not Working on iPhone? Check the Cause Before Resetting It
Troubleshoot Face ID unlock or setup failures by separating a normal passcode prompt from disabled settings, a blocked TrueDepth camera, mask and orientation limits, and service symptoms.
Read the guide →Forgot Your iPhone Passcode? Try the 72-Hour Option Before Erasing
Recently changed your passcode? Check Apple's previous-passcode option first. Otherwise choose on-device reset or computer recovery with clear data, eSIM, and Activation Lock limits.
Read the guide →Factory Reset iPhone Before Selling: Backup, eSIM and Activation Lock
A safe order for backing up, transferring data, handling eSIM, erasing an iPhone and checking Activation Lock before sale or trade-in.
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Camera, connections, and photos
Troubleshoot camera previews, Personal Hotspot, pairing, AirDrop, AirPods, and HEIC photos by symptom.
iPhone Camera Black Screen? Check the Viewfinder Before Resetting
A black Camera viewfinder is different from an iPhone that will not turn on. Check both cameras, app permissions, accessories, torch and Apple's camera diagnostic path.
Read the guide →iPhone Personal Hotspot Not Working? Find the Failing Step
Separate a missing Hotspot setting, an invisible network, a password failure, connected-without-internet, and USB tethering before resetting network settings.
Read the guide →What Is Port 62078? Apple Device Pairing, Sync, and Backup Explained
Apple lists TCP port 62078 for device pairing, sync, and backup. Identify the device, assess exposure, and troubleshoot the connection safely.
Read the guide →AirDrop Not Working? Fix Missing Devices and Failed Transfers
Troubleshoot AirDrop between iPhone, iPad, and Mac by symptom: a missing recipient, AirDrop code, failed transfer, or received file you cannot find.
Read the guide →AirPods Not Charging? Check the Case, Cable, and Each Earbud
Find whether the AirPods case, wireless charger, or one earbud has stopped charging. Check power and separate battery readings before reset or service.
Read the guide →AirPods Not Connecting to iPhone or Mac? Pairing vs Audio Output
Find AirPods missing from Bluetooth, failing to connect, or connected with no sound. Check charge and output first, then pair by case model before resetting.
Read the guide →One AirPod Not Working? Check Charging, Balance, and Reset
Fix one silent or quiet AirPod by checking separate battery levels, charging contacts, speaker mesh, audio balance, one-ear playback, and the correct reset method.
Read the guide →Does Converting HEIC to JPG Reduce Quality? A Measured Test
Convert HEIC to JPG on iPhone or Mac with Preview, compatible sharing, or a batch Shortcut, and see a measured 1200×630 quality-loss test.
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