Customizing the Huawei Nova 5T (YAL-L21) is a specialized process because Huawei officially stopped providing bootloader unlock codes in 2018. However, because it uses the
chipset, specific exploits exist that still allow for bootloader unlocking and subsequent flashing of Generic System Images (GSIs). 1. Essential Prerequisites
Before starting, ensure you have these tools and settings prepared: Huawei HiSuite
: Required for official drivers to allow communication between your PC and phone. ADB and Fastboot Tools
: Essential for sending commands to the device. You should also install the "wpdmtp.inf" driver found in your Windows Enable Developer Options Settings > About Phone Build Number seven times. Toggle Settings : Inside Developer Options, enable USB Debugging OEM Unlock 2. Unlocking the Bootloader
Since official codes are unavailable, you must use hardware-level exploits or third-party services: Hardware Testpoint Method (PotatoNV)
: This open-source tool supports some Kirin 980 devices. It requires physically opening the phone to short a "testpoint" on the motherboard to enter a low-level flash mode. : This typically only works on devices running EMUI 9.1 or lower Third-Party Paid Services : Tools like HCU Client Ministry of Solutions
may provide unlock codes for a fee, though their reliability varies by firmware version. The "FBLock" Barrier Nova 5t Custom Rom
: On firmware running Android 10/EMUI 10+, Huawei implemented a RSA-signed lock (RDLOCK) that makes software-only unlocking nearly impossible without a rollback to an older EMUI version. 3. Choosing and Flashing a ROM
Dedicated custom ROMs (like LineageOS specifically built for the 5T) are rare. Instead, users typically flash Generic System Images (GSIs)
How to Enable USB Debugging on Huawei Phone? [Step-by-Step Guide]
The Huawei Nova 5T holds a unique place in tech history. Launched in late 2019, it was one of the last Huawei phones to ship with full Google Mobile Services (GMS) out of the box. This makes it a "holy grail" for many users who want Huawei's sleek hardware without the software restrictions found on newer models.
However, the "story" of custom ROMs for this specific device is one of technical hurdles and persistence. The Bootloader Barrier
Unlike many other Android devices, Huawei famously stopped providing bootloader unlock codes in 2018. This created a massive roadblock for the custom ROM community.
Encryption: The Kirin 980 chipset has tight security that makes third-party software difficult to port. Customizing the Huawei Nova 5T (YAL-L21) is a
Unlock Methods: Most users have to rely on paid third-party services or "test point" methods to unlock the bootloader.
Limited Dev Support: Because unlocking is so difficult, the pool of developers creating specific ROMs like LineageOS or Pixel Experience is smaller than for brands like Xiaomi or Google. The GSI Solution
Because device-specific ROMs are rare for the Nova 5T, many users turn to Generic System Images (GSIs).
Treble Support: Since the 5T launched with Android 9, it supports Project Treble, allowing it to boot generic versions of Android.
Experience: Users often flash GSIs to get a "Stock Android" feel or to access newer Android versions (like Android 13 or 14) that EMUI might not officially support.
Trade-offs: While GSIs provide a clean look, they can sometimes cause issues with the quad-camera setup or the side-mounted fingerprint sensor. Why Users Keep Trying
Despite the difficulty, the Nova 5T remains popular in 2024 and beyond because of its enduring performance. Status: Unofficial Best for: Privacy
Kirin 980 Power: The processor still handles modern games like PUBG and Honkai Impact with ease.
Design: Its compact frame and unique gradient colors are still considered "modern" by today's standards.
Efficiency: Custom ROMs (when successful) often strip away "bloatware," leading to better RAM management and faster speeds compared to older EMUI versions.
See how the Nova 5T performs in recent years and explore the community's perspective on its software longevity: HUAWEI Nova 5T Review: Best Phone in 2025? 58K views · 1 year ago TikTok · redviews_tech Huawei Nova 5T Review | Budget-friendly P30 alternative 252K views · 6 years ago YouTube · Tech Spurt Huawei Nova 5 Pro Mobile Phone Review Part 2 25K views · 2 years ago TikTok · vlogbagamreviews If you want to start the flashing process: Do you have your bootloader unlock code already?
Are you comfortable using test point methods if software unlocking fails?
Knowing these details will help in finding the right guide or GSI file for your specific needs.
Thanks to a small but dedicated developer group (shoutout to DarkJoker360 and SeBaX), here are the top ROMs currently stable for the Kirin 980 Nova 5T.
The Feature King DerpFest packs every customization imaginable—custom clocks, QS tiles, animations, and lockdown mode.