So at that moment, you will need to hard flash it by using the latest firmware. There are several flash tools and boxes which you can use as a flasher. It is a little bit difficult to flash phones with tools instead of flashing with boxes.
Now download the latest firmware of Huawei P30 from provided links below. If you are unable to get the latest firmware of your phone, you can free contact us at comments menu any time. Now began to download the latest firmware of your phone by just following the download section menu.