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Free iPhone Diagnostic Tools

Instant, interactive calculators and checkers — no signup, just plug in your numbers.

Free Tool Charging Time Calculator See how long your iPhone will take to hit 100% with your exact charger. Free Tool Charger Wattage Checker Find out instantly if your charger is Slow, Normal, Fast, or Optimal. Free Tool Battery Health Checker Enter your battery health % and age for an instant verdict and next steps. Free Tool iOS Compatibility Checker Check the latest iOS version your iPhone supports and its update status. Free Tool Repair Cost Estimator Get a rough price range for screen, battery, port, glass, or camera repairs.

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What iPhone Problem Are You Experiencing?

Choose your symptom to find practical troubleshooting steps, likely causes, and safe fixes.

Not Charging When Plugged In Work through cable, adapter, and restart steps in the right order. Charging Slowly Check for the hidden iOS 18 warning, then 6 more real causes. Charging Port Not Working Diagnose cable, debris, connection and charging-port problems. Battery Drains Overnight Find the settings, apps and battery issues causing overnight drain. Home & Lock Screen Drain This isn’t an app — find out what’s actually eating your battery. iPhone Dies at 20% Check battery health, calibration and unexpected shutdown causes. iOS 26.6 Battery Drain Fix rapid battery drain after updating and learn which settings to check. All Battery & Charging Issues Start with the complete troubleshooting guide if you are unsure.

Latest Articles

RCS Messages Not Delivered on iPhone After iOS 26? Here’s the Real Fix
If RCS messages not delivered on iPhone has been happening since you updated to iOS 26, you’re dealing with a real, currently-reported bug — not a settings mistake on your end. It shows up in a specific pattern: RCS keeps working fine on the iPhone itself, but breaks for the same conversation on a connected…
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Upgrade or Repair iPhone? What the September 9 iPhone 18 Pro Event Means for You
Apple’s next iPhone event lands September 9, 2026, and if your current iPhone’s battery has you eyeing the “Buy” button, the real decision is whether to upgrade or repair your iPhone — not just which new model looks best. The iPhone 18 Pro launch is real news, but for most people reading a site like…
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iPhone Running Slow or Freezing? The Complete iOS & Performance Troubleshooting Guide
If your iPhone running slow has you wondering whether it’s a battery problem, a storage problem, or just a bad software update, you’re dealing with one of the most common — and most misdiagnosed — complaints in iOS. Performance issues rarely have one single cause, which is exactly why so much advice online doesn’t work:…
September 7, 2026
iPhone Gets Hot Wireless Charging? Here’s What’s Actually Normal
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