Sometimes it works but may cause network or NFC issues. Not recommended.
The Huawei Y9 Prime 2019 (codenamed Stark ) remains a popular mid-range smartphone due to its pop-up selfie camera and bezel-less display. However, like all Android devices, it is susceptible to software bugs, boot loops, and performance degradation over time. When these issues arise, reinstalling or updating the firmware is often the only reliable solution. firmware huawei y9 prime 2019
Possibly. You need a Project IDT (TestPoint) cable and authorized Huawei service account – a job for a professional repair shop. Sometimes it works but may cause network or NFC issues