CC BY, Ray Bouknight

Nova 5t Custom Rom

The Huawei Nova 5T remains a "cult classic" due to its Kirin 980 flagship processor and slim design

. However, installing a custom ROM is significantly more difficult than on most other Android phones because Huawei stopped providing official bootloader unlock codes in 2018. 🔒 The Bootloader Barrier

The bootloader is the biggest obstacle. You cannot flash a custom ROM unless this is unlocked. Official Status: Huawei no longer provides unlock codes. The Exploit: The Kirin 980 chipset has a known hardware-level exploit. Unlock Methods:

An open-source tool that uses "test points" (physically shorting pins on the motherboard) to unlock the bootloader for free. Paid Services:

Some third-party services claim to provide unlock codes for a fee, though their reliability varies. Test Points: Nova 5t Custom Rom

Requires opening the device, which will void any remaining warranty and risks hardware damage. HUAWEI Global 💾 Custom ROM Availability

Because the bootloader is locked for most users, there are very few "device-specific" ROMs for the Nova 5T. Instead, developers rely on GSI (Generic System Images)

I notice you've asked to "develop a feature" for a Nova 5T custom ROM, but you haven't specified which feature you want.

The Huawei Nova 5T (codenamed Yale / Yal — actually Kirin 980, not Snapdragon) is a bit unique because it uses a HiSilicon Kirin 980 chipset. Custom ROM development for Kirin devices is significantly harder than for Snapdragon due to lack of open-source GPU/HWcomposer drivers and no proper Project Treble GSI support for the P-Series partitioning. The Huawei Nova 5T remains a "cult classic"

To help you effectively, please clarify:

1. Which feature are you requesting?
Examples:

  • Camera → Full 48MP + wide + macro + depth working (currently broken in most Kirin custom ROMs)
  • Display → High brightness mode (HBM), DC dimming toggle
  • Audio → HiFi DAC routing, aptX Adaptive / LDAC tweaks
  • Performance → EAS scheduler tuning for Kirin 980, CPU boost control
  • Battery → Smart charge limit (stop at 80%)
  • Connectivity → VoLTE/VoWiFi icon + toggle for unsupported carriers
  • UI → MIUI-style control center or OOS-like gesture customization

2. Which base ROM?

  • LineageOS 20/21 (Android 13/14)
  • DerpFest
  • crDroid
  • AOSP GSIs (phhusson)
  • EMUI-based custom (e.g., KangOS)

3. What's your role?

  • End user wanting a pre-built feature
  • ROM developer needing patches or code
  • Tester needing instructions

If you just want a generic example of a custom ROM feature for Nova 5T:

2. Pixel Experience Plus (Android 13)

  • Status: Unofficial / Stable
  • Best for: Pixel camera UI, Google Photos unlimited storage (spoofed), and Material You theming.
  • The catch: You must use the PixelExperience Plus build (non-plus has Bluetooth audio stutter fixes pending).

1. crDroid (Android 11/12)

For the Nova 5T, crDroid is arguably the king of stability. It focuses on extending the system and improving the interface over the base LineageOS code.

  • The Experience: Clean, customizable, and very fast. It strips away the EMUI bloat while keeping the essential features.
  • GMS: Many builds come with GMS builtin, solving the app compatibility issue instantly.
  • Stability: This is the safest bet for a daily driver. The battery life on crDroid utilizing the Kirin 980 is exceptional, often outperforming the stock EMUI due to bloatware removal.

1. Software Longevity

The Nova 5T (model code: YAL-L21) launched with Android 9 Pie and received its final official update to Android 11 (EMUI 11). That is two years out of date. Custom ROMs offer Android 12, 13, and even 14 via projects like LineageOS and Pixel Experience.

Part 1: Why Install a Custom ROM on the Nova 5T?

Before we get our hands dirty, let’s address the elephant in the room: Why bother? Camera → Full 48MP + wide + macro