You will likely need to use third-party paid services or specialized tools (like PotatoNV for some chipsets) to force an unlock. Without an unlocked bootloader, you cannot flash a custom ROM. Top ROM Recommendations
Stock EMUI on the Y6 Prime is notorious for aggressive RAM management and background process killing. A lightweight custom ROM like LineageOS or AOSP (Android Open Source Project) removes this bloatware, freeing up RAM and CPU cycles. huawei y6 prime custom rom
He pressed the power button. The menu didn't have the ugly EMUI styling; it was clean Android. He navigated to "About Phone." You will likely need to use third-party paid