You must restore the "Modem" partition from your stock backup. If you did not back it up, you must re-flash the stock firmware using Huawei's "Hisuite Proxy" method, then back up immediately.
Stock EMUI (Emotion UI) has become sluggish, bloated, and outdated. If you are still holding onto this device, you have likely noticed the lag, the lack of security patches, and the absence of Android 11 or higher. huawei y9 prime custom rom
Just remember the golden rules:
You must restore the "Modem" partition from your stock backup. If you did not back it up, you must re-flash the stock firmware using Huawei's "Hisuite Proxy" method, then back up immediately.
Stock EMUI (Emotion UI) has become sluggish, bloated, and outdated. If you are still holding onto this device, you have likely noticed the lag, the lack of security patches, and the absence of Android 11 or higher.
Just remember the golden rules: