Custom Rom For Huawei Nova 7i [Limited Time]

Here’s a detailed write-up about custom ROMs for the Huawei Nova 7i (codenamed JNY-LX1 / JNY-L21 / JNY-L22 / JNY-LX2). It covers the background, challenges, available options, and a general disclaimer.

Known Issues & Fixes (Nova 7i Specific)

Despite the community's heroic efforts, custom ROMs on Kirin chipsets have universal hurdles. custom rom for huawei nova 7i

  • Camera Quality: The stock EMUI camera uses proprietary AI algorithms. On AOSP ROMs, you must use GCam (Google Camera) ports or Open Camera. You will lose the 64MP AI mode and macro lens optimization.
    • Fix: Search for "GCam for Kirin 810" – versions by BSG or Greatness work best.
  • Widevine L1: Most custom ROMs break Widevine L1 (HD streaming on Netflix/Amazon Prime), dropping you to L3 (SD resolution).
    • Fix: No fix currently. Accept SD streaming or boot back to stock for Netflix.
  • Fingerprint Gestures: The side-mounted fingerprint sensor works for unlocking, but swipe gestures for notifications might break.
    • Fix: Use an app like "Fingerprint Swipe" from the Play Store.
  • Display Refresh Rate: The Nova 7i has a 60Hz display, but some ROMs mistakenly try to force 90Hz, causing jitter.
    • Fix: In developer options, force peak refresh rate to 60Hz.

📱 Device Info

  • Model: Huawei Nova 7i (JNY-LX1 / JNY-L22)
  • Chipset: Kirin 810 (ARMv8.2, no GMS after ban)
  • Stock OS: EMUI 10.1 / 12 (or HarmonyOS 2.0 in some regions)
  • Project Treble: Supported (partition A/B)

2. EMUI-Based Custom ROMs – Almost Nonexistent

Due to lack of kernel sources, no full-featured EMUI 10/11 custom ROMs exist. Some users have debloated stock ROMs via Magisk, but that’s not a true custom ROM. Here’s a detailed write-up about custom ROMs for

Compatibility and precautions

  • Ensure the ROM explicitly lists Huawei Nova 7i (model codename: BDY-N or INA-LX2/INA-LX3 — verify your exact variant) before flashing.
  • Unlocking the bootloader is typically required; this may void warranty and can erase all data.
  • Flashing custom firmware carries risks: bricking, security issues, loss of device features (e.g., camera, modem/RIL), and OTA updates from Huawei will stop.
  • Backup everything (full Nandroid backup + export contacts/photos/apps/data) and ensure battery ≥50%.