Huawei Matepad 104 Custom Rom Exclusive !full! Instant
Disclaimer: Huawei devices (especially newer HarmonyOS/Android 10+) have locked bootloaders that are notoriously difficult to unlock. This post assumes you have an older model running EMUI (pre-2021) or are aware of the paid/unreliable bootloader unlock services.
The Dark Side: What Does "Exclusive" Mean?
Nothing comes for free. There are three caveats to this custom ROM.
- Camera Degradation: The stock Huawei camera app relies on proprietary AI processing. On NirvanaOS, you must use Open Camera or GCam. The main 13MP camera works, but the 8MP ultra-wide produces slightly warmer colors.
- No OTA Updates: Because this is a community project, you cannot update via settings. Every new security patch requires a manual dirty flash via TWRP.
- Battery Monitoring: The 7250mAh battery reports fine, but the kernel lacks Huawei’s proprietary power management IC drivers. You will lose the "AI Power Saving" feature. Expect 8 hours of screen time instead of 11.
Performance Benchmarks: Stock vs. Custom ROM
We ran three standard tests on both HarmonyOS 3.0 and NirvanaOS 2.0. huawei matepad 104 custom rom exclusive
| Benchmark | Stock HarmonyOS | NirvanaOS (Custom) | Improvement | | :--- | :--- | :--- | :--- | | Antutu v9 | 228,543 | 289,124 | +26% | | Geekbench 6 (Single) | 456 | 512 | +12% | | Storage R/W (MB/s) | 482 / 312 | 490 / 398 | +27% Write | | RAM Copy (GB/s) | 8.7 | 11.2 | +28% |
The boost comes from the removal of Huawei’s security layer overhead and the use of a lightweight, low-latency kernel. The Dark Side: What Does "Exclusive" Mean
Common challenges & how to address them
- Locked bootloader: Many Huawei devices no longer provide official unlock codes; check community forums (XDA, Telegram groups) for device-specific solutions and risks.
- Missing device-specific TWRP: You may need an unofficial recovery; pick builds with active developer support.
- Broken hardware features: If cameras, LTE, GPS, or stylus stop working, search for vendor-proprietary blobs/modules or use ROMs that bundle vendor partitions.
- OTA updates: Custom ROMs typically require manual updates; always follow ROM developer instructions.
- SafetyNet/Google Pay failures: Custom ROMs and unlocked bootloaders can break SafetyNet — use Magisk (if supported) with appropriate hide features or use de-Googled alternatives.
B) HarmonyOS NEXT de-Google Edition (non-Android)
- Not actually AOSP – it’s OpenHarmony with Android compatibility layer removed
- Exclusive to Chinese beta testers
- No Google apps possible – but runs pure OpenHarmony apps + some Android APKs via a slow bridge
- Mostly for developers – not daily-drivable for Western users
5. Who Is This For?
✅ You should try it if:
- You already own the MatePad 10.4 and hate HarmonyOS/No GMS.
- You are an experienced flasher (know what fastboot, vbmeta, super partition mean).
- You don’t need Netflix HD or Zoom with background blur.
- You are willing to pay for bootloader unlock.
❌ Avoid if:
- You rely on pen shortcuts for note-taking.
- You want a “set and forget” tablet.
- Your tablet is on HarmonyOS 3.0 or newer (unlock not possible).
Where to Find These Exclusive ROMs?
Unlike Xiaomi or Samsung, you won't find these on official websites. The Huawei MatePad 10.4 Custom ROM Exclusive community operates in the shadows due to Huawei’s legal team issuing DMCA takedowns for proprietary drivers.
Sources:
- 4PDA Forum (Russian) – Thread "BAH3-W09 Custom Stuff"
- Telegram Channel: "OpenKirin Exclusives"
- XDA: Hidden "Legacy Huawei" Subforum (Viewable only for members with 50+ posts)
Warning: Avoid YouTube videos selling "Magisk modules" as custom ROMs. The only real exclusives are found on the above forums, and they are 100% free.
The State of Custom ROMs on Huawei MatePad 10.4: Exclusive Insight
Target Device: Huawei MatePad 10.4 (Kirin 820 / Snapdragon 778G variants – codenames: Agassi, Agassi-W09, Agassi-L09) Camera Degradation: The stock Huawei camera app relies