The iPhone 15 is one of Apple’s most advanced smartphones, but many users only use basic features. If you really want to unlock the full power of your iPhone 15, you must know these hidden settings and smart tips.
In this guide, you will discover the best iPhone 15 tips & hidden features to improve battery life, performance, camera quality, privacy, and everyday usage.
🔋 1. Limit Battery Charging to Protect Battery Health
Charging your iPhone to 100% all the time slowly damages battery health.
How to enable charging limit:
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Open Settings
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Battery → Battery Health & Charging
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Turn on Optimized Battery Charging
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Enable 80% Limit (if available)
Benefit:
Reduces battery wear and increases long-term battery lifespan.
⚡ 2. Speed Up iPhone 15 Performance
If your iPhone feels slow:
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Go to Settings → General → Background App Refresh
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Select Wi-Fi only or turn off unnecessary apps
Also:
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Restart phone once a week
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Keep at least 5–6 GB free storage
Result:
Faster app loading and smoother performance.
📸 3. Use Hidden Camera Pro Settings
Many users don’t know that iPhone 15 camera has advanced controls.
Steps:
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Settings → Camera → Formats
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Enable Apple Pro RAW and Pro Res
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Turn on Grid for better framing
Why useful?
Better photo quality, perfect alignment, and professional editing options.
🎯 4. Customize Action Button
iPhone 15 allows you to customize the Action Button.
You can assign:
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Camera
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Flashlight
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Voice Memo
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Shortcut
Steps:
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Settings → Action Button
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Choose your preferred function
This saves time and improves productivity.
🔍 5. Turn iPhone 15 into a Scanner
No extra app required.
Steps:
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Open Notes App
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Create New Note
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Tap Camera icon → Scan Documents
You can scan ID cards, bills, or documents easily.
🔒 6. Lock Hidden Photos with Face ID
Protect your private photos:
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Open Photos App
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Select photo → Long press → Hide
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Go to Albums → Hidden
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Enable Face ID for Hidden Album in Settings
Now only you can access those photos.
📱 7. Enable Back Tap Shortcut
You can control your phone by tapping the back.
Steps:
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Settings → Accessibility → Touch
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Back Tap → Double Tap / Triple Tap
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Choose Screenshot, Camera, or any action
Very useful hidden feature.
🛡️ 8. Improve Privacy with App Tracking Control
Stop apps from tracking you.
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Settings → Privacy & Security
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Tracking → Turn off Allow Apps to Request to Track
This improves privacy and security.
🔊 9. Enhance Sound Quality
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Settings → Music → EQ
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Choose Late Night or Bass Booster
For calls:
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Settings → Accessibility → Audio/Visual
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Enable Phone Noise Cancellation
Clearer sound and better music experience.
🔋 10. Reduce Battery Drain Quickly
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Turn off Bluetooth when not used
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Disable Location for unused apps
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Lower screen brightness
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Enable Low Power Mode
These simple steps can add hours of battery life
🎮 11. Boost Gaming Performance
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Settings → Battery → Low Power Mode OFF
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Close background apps
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Use Focus Mode → Gaming
Games will run smoother with fewer frame drops.
📂 12. Free Storage Without Deleting Photos
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Settings → General → iPhone Storage
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Enable Offload Unused Apps
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Delete large WhatsApp videos
This clears space safely.
🚀 Bonus Tip: Use Live Voicemail
iPhone 15 can transcribe voicemail live.
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Settings → Phone → Live Voicemail → ON
You can read voicemail instead of listening.
📌 Final Words
These iPhone 15 tips & hidden features will help you get better battery life, faster performance, stronger privacy, and smarter daily usage. If you recently bought an iPhone 15 or want to unlock its full potential, start using these features today
This iPhone 15 Tips & hidden features guide is designed to help you get the best performance, battery life, and security from your device. Visit Gadget Alert 24 regularly for more smartphone tips, app guides, and gadget reviews.
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