Official Huawei Honor 6x Blnl21 Stock Rom Better -

: Unlike custom ROMs, the stock firmware is designed specifically for the Honor 6X's Kirin 655 chipset, ensuring fewer bugs and system crashes. Optimized Camera

Custom ROMs often rely on reverse‑engineered or generic drivers and may lack vendor firmware blobs, which can lead to reduced performance, buggy peripherals, or higher battery drain. official huawei honor 6x blnl21 stock rom better