Huawei Matepad 104 Custom Rom Install -

If you manage to unlock the bootloader, the installation process remains difficult compared to standard Android devices.

Installing a custom ROM on the Huawei MatePad 10.4 (BAH3-W09 / BAH3-AL00) is extremely difficult and generally not recommended for the average user. Huawei ceased official bootloader unlocking in 2018, and this specific model (released in 2020) lacks the official tools and community support typical of other Android tablets. ⚠️ Critical Risks

Permanent Brick: There is no official way to recover a deeply "bricked" device if the bootloader process fails.

Warranty Void: Any attempt to modify system files or use third-party unlockers immediately voids your warranty.

Security Loss: Unlocking the bootloader disables security features like Widevine L1, meaning you may lose the ability to stream Netflix or Disney+ in HD. The "Bootloader" Barrier

To install a custom ROM, you must first unlock the bootloader. Since Huawei does not provide codes, you must use unofficial methods: 1. Paid Third-Party Services

Some users have had success with services like DC-Unlocker or Ministry of Solutions. Cost: Usually $4 to $30.

Requirement: You often need a PC and specific drivers (like HiSuite drivers) to detect the device in "Manufacturer Mode". 2. Hardware "Test Point" (Advanced)

Tools like PotatoNV (open-source) can sometimes generate an unlock code for Kirin-based devices. huawei matepad 104 custom rom install

Method: Requires opening the tablet to short a "test point" on the motherboard while connecting to a PC.

Compatibility: Most versions of the MatePad 10.4 use the Kirin 810 or 710A; verify compatibility on the PotatoNV GitHub before attempting. Installation Overview (If Unlocked)

If you manage to obtain an unlock code, the process follows standard Android flashing procedures: Preparation

Back up everything: Unlocking the bootloader performs a factory reset.

ADB & Fastboot: Install these tools on your PC to communicate with the tablet.

Find a GSI: There are almost no dedicated custom ROMs for this tablet. Most users use Generic System Images (GSIs) from the OpenKirin project or Phhusson’s AOSP GSIs. Step-by-Step

Installing a custom ROM on a Huawei MatePad 10.4 is extremely difficult because Huawei officially stopped providing bootloader unlock codes in July 2018. Since unlocking the bootloader is a mandatory prerequisite for flashing custom recovery (TWRP) and ROMs, standard modification methods are generally not possible for this device. Key Barriers to Installation

Locked Bootloader: Huawei terminated its unlock code service to "achieve a better user experience" and enhance security. Without this code, the fastboot oem unlock command will not work. If you manage to unlock the bootloader, the

Kirin Chipset Restrictions: While some older Huawei devices with specific Kirin chipsets (like 960 or 659) can be unlocked using third-party tools like PotatoNV MatePad 10.4

typically uses newer processors that are not supported by these exploits.

Lack of Development: Due to the hardware-level locking, there is virtually no active community development for custom ROMs or TWRP specifically for the MatePad 10.4 Common Alternatives to Custom ROMs

Because custom ROMs are often sought to get Google Mobile Services (GMS), users typically use these workarounds instead:

Virtual Environments: Tools like GSpace or GBox allow you to run Google apps within a "sandbox" on top of the standard HarmonyOS or EMUI.

Alternative App Stores: Using the Aurora Store (a Google Play frontend) or APKPure to download Android apps without needing a Google account.

Bloatware Removal: You can still "clean up" the device by using ADB commands on a PC to uninstall unwanted pre-installed apps without needing to root or unlock the tablet.

Are you trying to install a custom ROM specifically to get Google apps, or for a different feature? How to Install a Custom ROM on Any Android Phone (Example Installing a custom ROM on the Huawei MatePad 10

Disclaimer: Installing custom ROMs requires unlocking the bootloader. Due to Huawei’s policy changes after 2018, unlocking the bootloader on Kirin-powered devices is extremely difficult or impossible for most users. Proceed only if you have the specific “unlock code” for your device.

Unlike most Android tablets from Samsung or Xiaomi, Huawei has officially stopped providing bootloader unlock codes since 2018. Without an unlocked bootloader, you cannot flash any custom ROM (LineageOS, GSI, etc.).

Note: This is the most complex section of this paper. Unlike Xiaomi or OnePlus, Huawei stopped providing official bootloader unlock codes in 2018.

4.1 The "Paid Unlock" Era For most Huawei devices, the bootloader cannot be unlocked via standard fastboot commands (fastboot oem unlock). Users typically have two options:

4.2 Procedure to Enter Bootloader

4.3 Unlocking the Bootloader If you have obtained an unlock code: Command: fastboot oem unlock [INSERT_CODE] Confirm the prompt on the tablet screen using volume keys and the power button.

If the device remains locked: You cannot install a custom recovery or ROM. The paper stops here for locked devices without a paid unlock solution.

Some developers strip down the stock firmware (debloated, pre-rooted with Magisk, or performance tweaks).

✅ Full Google Services (Play Store, Wallet, notifications) without microG hacks.
✅ No Huawei/HarmonyOS Bloatware – No Petal Search, no Music app forced ads.
✅ Up-to-date Security Patches – Huawei stops updates after 2 years; custom ROMs keep going.
✅ Better RAM management – AOSP uses 1.5GB less RAM than HarmonyOS.