Huawei Y9 Prime Custom Rom
Title: Enhancing Longevity and Performance: A Technical Analysis of Custom ROM Deployment on the Huawei Y9 Prime (STK-L21/L22)
a) LineageOS 18.1 (Android 11)
- Most mature port. Based on Kirin 710F’s Hi6250 family (shared with Honor 9X, P Smart 2019).
- What works: Wi-Fi, Bluetooth, audio, calls, GPU acceleration, pop-up camera.
- Broken: SELinux is permissive (security risk), some users report NFC issues, VoLTE broken.
- Best for: Daily driving if you don’t rely on banking apps (SafetyNet fails by default).
VoLTE and Vowifi
Huawei uses proprietary IMS (IP Multimedia Subsystem) stacks for Voice over LTE. huawei y9 prime custom rom
Step 5: Flash the GSI
In TWRP, select Install > Install Image. Choose your downloaded .img file (e.g., lineage-20.0-20250101-UNOFFICIAL-arm64_bvS.img).
Select "System Image" as the destination. Swipe to flash. Most mature port
Brick Risk: One wrong file can turn your phone into a paperweight. VoLTE and Vowifi Huawei uses proprietary IMS (IP
Official Method: No longer exists. Huawei's official stance is that the unlock code service was terminated to "ensure user experience".
Phase 2: The Recovery (TWRP)
Huawei does not use standard A/B partitions like newer Pixel phones.