To perform on Huawei Honor X30 Reset you have to follow the following steps:
- make sure the phone is charging
- keep the POWER + VOLUME UP BUTTONS pressed for about 7/8 seconds
- wait for the device to restart and for the Android Recovery menu to be shown
- with the VOLUME keys you can navigate in the menu and you have to choose the item " Wipe data / factory reset "
- after the procedure, restart the Huawei following the instructions and that is choosing the first option "reboot system now"