Huawei Y7 Prime 2018 (model LDN-L21/L22), installing a custom ROM is a popular way to move beyond the official Android 8.0 Oreo software. However, because Huawei officially stopped providing bootloader unlock codes in 2018, this process is significantly more difficult than for other devices. Popular Custom ROM Options
He connected the phone to his PC and dragged two files into the internal storage: huawei y7 prime 2018 custom rom