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Custom Rom For Huawei P40 Pro [new] -
The Ultimate Guide to Custom ROMs for the Huawei P40 Pro: Breaking Free from HMS
The Future Outlook
Newer UI, better performance, and deep integration with the Huawei ecosystem.
After weeks of development, testing, and refinement, Alex's custom ROM for the Huawei P40 Pro is ready. The ROM, dubbed "P40 Pro X," offers: Custom Rom For Huawei P40 Pro
- Backup everything – Use Huawei Backup to an external USB drive.
- Unlock the bootloader – Pay for a service like DC Unlocker. You will need a Windows PC, a USB cable, and to put your phone into "Test Point" mode (shorting pins on the motherboard – requires opening the phone or using a deep USB cable). This step alone voids your warranty.
- Flash a custom recovery – Once unlocked, use
fastbootto flash a custom recovery like TWRP (Team Win Recovery Project) built for the P40 Pro. - Disable AVB / DM-Verity – Run fastboot commands to disable Android Verified Boot, otherwise the phone will refuse to boot any modified system.
- Wipe partitions – In TWRP, wipe Dalvik, Cache, System, and Data.
- Flash the ROM – Copy the ROM
.zipfile to the phone (or use adb sideload) and flash it via TWRP. - Flash GApps (if needed) – For LineageOS, flash a GApps package like NikGApps.
- Format Data – Crucially, format the data partition (not just wipe) to remove encryption. Then reboot.
Huawei P40 Pro
Installing a custom ROM on the remains extremely difficult because Huawei officially stopped providing bootloader unlock codes in 2018 . Without an unlocked bootloader, you cannot flash third-party ROMs like LineageOS or Pixel Experience. Current State of Custom ROMs The Ultimate Guide to Custom ROMs for the
Kirin 990's power management is tied to EMUI's kernel. On a custom ROM, you will experience random drain or overheating during video calls. Backup everything – Use Huawei Backup to an
The Verdict: Should you do it?
OpenKirin
The only consistently maintained source for GSI (Generic System Images) that work decently on the P40 Pro is (specifically their ElevenOS or TrebleDroid builds).