Install OxygenOS 15 Port on POCO X3 NFC – Full Android 15 Guide
OxygenOS 15 is based on Android 15 and comes with a polished interface, improved performance, optimized battery life, and amazing gaming performance. Although the device is older, the custom ROM community has successfully ported OxygenOS 15 to the POCO X3 NFC, giving it a refreshed flagship-level experience.
Below is a detailed guide on downloading and installing the OxygenOS 15 port, changelog, stability status, and patch information. Please follow instructions carefully to avoid soft brick or bootloop.
🧾 ROM Details (Port Information)
- OxygenOS Rev2 | Android 15
- Device: POCO X3 NFC (Surya)
- Port by: Mahirooo
- Release Date: 4 Nov 2025
🚀 Changelog (What's New?)
- Fully Enforcing Build
- Inbuilt Gilver Kernel
- Fixup Nandswap
- Fixup Force Close if heating (tested between 44–55°C)
- Oplus AI | CTS already patched
- Fixup Glitch issue
- Unlocked High FPS for Gaming
💡 Highlights of OxygenOS 15 on POCO X3
- Smoother UI animations compared to MIUI/HyperOS
- Improved RAM handling
- Better thermal optimization
- Gilver kernel stability and speed
- High FPS Gaming support patch included
- Stable Android 15 security patches
⚙️ Notes (Important!)
Note: If there is an update available, do NOT update unless confirmed safe. Updating may brick your phone!
📂 Download Section
To flash OxygenOS 15 on POCO X3 NFC, download the following files:
- Download OxygenOS 15 ROM
- GApps Not Required (built-in)
🔧 Step-by-Step Flashing Guide
Before starting: Backup your data, battery minimum 50%, and use compatible recovery (TWRP/OrangeFox).
Step Flash Procedure
- Wipe
- Dalvik/ART Cache
- Cache
- System
- Data
- Flash ROM
Install → Select OxygenOS15-Rev2.zip → Swipe to flash
- Flash Patch
Install → Select Patch.zip → Swipe to flash
- Reboot System
⚠️ First boot may take 5-10 minutes, do not force reboot!
❗ Known Bugs / Issues
- Minor heat fluctuations at extreme gaming (already optimized)
- Few system apps may require manual installation
- FPS unlock depends on thermal control
🆚 OxygenOS 15 vs MIUI/HyperOS on POCO X3
OxygenOS 15 delivers a noticeably smoother experience and reduced system bloat compared to MIUI/HyperOS. Gaming becomes snappier because the ROM allows high FPS and stable thermal handling. For casual users, battery optimizations are excellent, and for gamers, the responsive touch + unlocked FPS combination makes it a solid upgrade.
📌 Safety Tips
- Always flash recommended patch
- Backup before flashing
- Keep recovery image accessible
- If bootloop occurs, reflash patch
📈 Performance & Battery Notes
Thermal optimization has been improved. With Gilver kernel, performance is close to a flagship Android 15 experience. Gaming FPS unlocking works well in BGMI, CODM, MLBB, and Genshin. Battery endurance improves with standby mode enabled, but gaming will consume slightly more power.
FAQs (Frequently Asked Questions)
Is this ROM stable for daily use?
Yes, depending on your requirements. Most core functions work smoothly.
Is GApps required?
No, OxygenOS includes essential Google services.
Do I need the patch?
Yes, MUST flash the provided patch.
Can this brick my device?
Improper installation can. Follow steps carefully.
Final Review
OxygenOS 15 on POCO X3 NFC brings a fresh flagship-level feel while retaining stability and gaming capability. Thanks to developer Mahirooo, the ROM offers a near stock Android 15 experience with minimal glitches. If you enjoy customization and gaming performance, this port is a great choice for the POCO X3 NFC in 2025.