Flashing "verified" firmware from a different brand of RK3328 box can or cause the remote control and Wi-Fi to stop working. Always verify the Wi-Fi chip model (e.g., RTL8189, AP6255) inside your box before proceeding, as this is the most common point of failure in custom ROMs.
To ensure a smooth and secure upgrade to Android 11, it's essential to obtain verified firmware from trusted sources. Here are some reliable sources for RK3328 firmware Android 11: rk3328 firmware android 11 verified