10 Hidden Features of Redmi Note 15 You Must Enable (2026)
Redmi Note 15 Hidden Features: 10 Powerful HyperOS 2.0 Tips & Tricks (2026)
So, you’ve just set up your brand-new Redmi Note 15. It’s fast, stylish, and that massive 200MP camera clearly stands out. But what most users don’t realize is that HyperOS 2.0 hides several powerful features that Xiaomi barely mentions.
From improving battery efficiency to unlocking advanced shortcuts, these 10 hidden Redmi Note 15 features can significantly upgrade your daily smartphone experience.
Also read:-Vivo X200 FE vs Vivo X200T Comparison 2026: Specs, Camera, Battery & Performance
π₯ Top 10 Redmi Note 15 Hidden Features (HyperOS 2.0)
1. Video Depth Effect on Lock Screen
HyperOS 2.0 takes lock screen customization a step further by allowing video depth effects. The clock intelligently moves behind the subject in the video, creating a realistic 3D visual effect.
Path:
Settings → Lock Screen → Depth Effect → Select Video
2. Back Tap Gesture Shortcut
The rear panel of the Redmi Note 15 can be used as a shortcut trigger. A double-tap or triple-tap can instantly perform actions like screenshots, flashlight activation, or opening the camera.
Path:
Settings → Additional Settings → Gesture Shortcuts → Back Tap
3. Heart Rate Monitoring via Fingerprint Sensor
The in-display fingerprint sensor can also measure your heart rate. In just about 15 seconds, you can check your pulse without any wearable device.
Path:
Settings → Additional Settings → Heart Rate
4. Xiaomi Offline Communication (2026 Feature)
One of the most impressive additions in 2026, this feature allows short-range voice calls and messages without mobile network coverage using Xiaomi’s proprietary radio technology.
Path:
Search “Offline Communication” in Settings
5. AI Dynamic Wallpapers (AIGC)
HyperOS 2.0 introduces AI-generated live wallpapers. Any photo in your gallery can be animated with subtle movements such as flowing water or moving clouds.
Path:
Home Screen (Long Press) → Wallpapers → AI Generate
6. Ultra Volume Boost Mode
Beyond the standard 100% volume level, the Redmi Note 15 can boost speaker output up to 300% to improve sound clarity in noisy surroundings.
How it works:
Increase volume to 100%, then press Volume Up once more.
7. Disable Folder Ads (Today’s Recommendations)
By default, Redmi folders display promotional recommendations. Thankfully, this can be disabled in seconds.
Path:
Open Folder → Tap Folder Name → Turn off “Today’s Recommendations”
8. Color-Based App Drawer Sorting
If your app drawer feels cluttered, HyperOS allows apps to be grouped by icon color, making navigation much faster.
Path:
Settings → Home Screen → Group Icons by Color
9. Cold Endurance Battery Mode
Thanks to the new silicon-carbon battery, the Redmi Note 15 includes a hidden Cold Endurance Mode that prevents rapid battery drain in low-temperature environments.
Path:
Settings → Battery → Additional Features → Cold Endurance Mode
Also read:-Realme 16 Pro vs Redmi Note 15: Which Mid-Range King Wins in 2026?
10. Floating Quick Ball for One-Handed Use
The Quick Ball is a floating shortcut menu that helps manage large-screen usage. You can assign up to five shortcuts such as Back, Home, or Recent Apps.
Path:
Settings → Additional Settings → Quick Ball
π Bonus Feature: Wet Touch 2.0
The Redmi Note 15 display is calibrated to work accurately even when wet. Whether it’s rain or accidental spills, touch responsiveness remains reliable without enabling any setting.
π Redmi Note 15 Hidden Features Overview.
| Feature | Purpose | Settings Path |
|---|---|---|
| Video Depth Lock Screen | 3D video lock screen effect | Settings → Lock Screen → Depth Effect |
| Back Tap Shortcut | Quick actions using rear taps | Additional Settings → Gesture Shortcuts |
| Heart Rate Monitor | Measure pulse via fingerprint | Additional Settings → Heart Rate |
| Offline Communication | Calls & messages without signal | Search in Settings |
| AI Dynamic Wallpapers | AI-animated wallpapers | Wallpapers → AI Generate |
| Ultra Volume Boost | Up to 300% speaker output | Volume button method |
| Disable Folder Ads | Remove system recommendations | Folder → Folder Name |
| Color App Sorting | Organize apps visually | Home Screen Settings |
| Cold Endurance Mode | Battery protection in cold | Battery → Additional Features |
| Quick Ball | One-handed navigation | Additional Settings → Quick Ball |
❓ FAQs – Redmi Note 15 Hidden Features
Q1. Does Redmi Note 15 really have heart rate monitoring?
Yes, HyperOS 2.0 enables heart rate measurement using the in-display fingerprint sensor.
Q2. Is Offline Communication available without internet or SIM?
Yes, it works without cellular network but has limited range using Xiaomi’s proprietary radio technology.
Q3. Does Ultra Volume Boost damage speakers?
Occasional use is safe, but frequent usage at maximum boost is not recommended.
Q4. Can AI Dynamic Wallpapers drain battery faster?
Battery impact is minimal as animations are subtle and optimized.
Q5. Is Wet Touch 2.0 available on all Redmi Note 15 variants?
Yes, it is hardware-calibrated and enabled by default.
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