OnePlus 9R Problems: The 100% Fix Guide
Is your Snapdragon 870 heating up or camera fogging? Here is the ultimate 15-step OxygenOS optimization guide.
The OnePlus 9R is a gaming favorite, but it has a notorious issue: camera lens fogging in humid conditions. Users also report heating during BGMI sessions and occasional battery drain after OxygenOS updates.
Your phone is powerful. It just needs some expert maintenance. Follow this guide to fix the hardware quirks and software bugs.
| Problem | Root Cause | Solution |
|---|---|---|
| Camera Fog | Moisture Seal | Dry Heat |
| Overheating | Pro Gaming Mode | Disable |
| Battery Drain | 5G Standby | Optimization |
Diagnostic Hub
Camera Fog
Removing condensation from inside the lens.
Overheating
Cooling down the SD870 during gaming.
Battery Drain
Optimizing 4500mAh for all-day life.
Performance
Fixing UI stutter and touch latency.
1. Fixing Camera Lens Fog / Condensation
This is a known manufacturing quirk. If you see fog inside the lens, try this safe home remedy.
- 4K Video Heat: Open Camera > Video > 4K 60FPS. Record a video for 10-15 minutes (place phone face down). The heat generated by the processor will evaporate the moisture.
- Silica Gel: Place the phone in an airtight container with 2-3 silica gel packets for 6 hours. Do NOT use raw rice (dust can enter ports).
- SIM Tray: Eject the SIM tray while doing the Silica Gel method to allow moisture a path to escape.
2. Solving Heating Issues (Gaming)
The Snapdragon 870 is stable, but Pro Gaming Mode pushes it too hard.
- Game Mode: In the Games app, switch from "Pro Gamer Mode" to "Balanced Mode". You lose 2-3 FPS but gain 5°C cooler temps.
- Vision Engine: Go to Display settings. Turn OFF "Video Motion Enhancement" and "Image Sharpener". They run the GPU constantly for video apps.
- High Performance: Go to Battery > Advanced Settings. Ensure "High Performance Mode" is OFF for daily tasks.
3. Optimizing Battery Life
OxygenOS 13 can be battery hungry. Let's tame it.
- Optimized Charging: Go to Battery settings and enable "Optimized Night Charging" to protect battery health from 65W heat.
- 5G Smart Control: Go to Settings > Mobile Network > Smart 5G. Turn it ON. It drops to 4G when you aren't downloading large files.
- Quick Device Connect: Search for "Quick Device Connect" in settings and turn it OFF if you don't use OnePlus accessories. It drains battery scanning nearby devices.
4. Resolving Touch Lag & Stutter
Ghost touches or missed taps in games? It might be the "Mistouch Prevention".
- Mistouch Prevention: In Game Mode settings, set "Mistouch Prevention" to "None" or "Low". High settings often ignore intentional edge taps.
- RAM Expansion: Go to About Device > RAM. Turn OFF "RAM Expansion". Physical LPDDR5 RAM is faster than virtual storage; expansion often causes micro-stutters.
- Animation Scale: In Developer Options, set Animator Duration Scale to 0.5x. This makes the phone feel snappy like day one.
Additional Maintenance (Steps 13-15)
- Step 13 (Clone Phone): If you just updated the OS, leave the phone on the charger overnight. OxygenOS optimizes apps in the background (Dex2oat process).
- Step 14 (Shelf): Disable "Shelf" (Swipe down from top right) if you don't use it. It consumes RAM.
- Step 15 (Factory Reset): If camera fog persists, visit a service center. It might be a seal failure requiring hardware repair.
Is Your 9R Ready?
The OnePlus 9R is a solid device. With these fixes, you solve the fog and heating issues, enjoying the best of Snapdragon 870.
Still facing fog? Share your experience below!
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