What steps will reproduce the problem? 1. adb reboot bootloader 2. fastboot oem unlock 3. follow the introduction by typing fastboot oem unlock again What is the expected output? What do you see ...

hello, i succesfully unlock boot loader of oppo a15 and also manage to root this device with magisk, and theres no issue about rooting it works fine, but the problem is when im booting into fastboot ...