To download a stable ("solid piece") MIUI firmware for your Xiaomi device, the safest and most reliable method is to use the official or dedicated firmware repositories. Recommended Download Sources

: An open-source project that tracks and provides firmware-only packages and full ROMs, often used by custom ROM enthusiasts to keep their base firmware up to date [10]. How to Install To download a stable ("solid piece") MIUI firmware

: Ensure you download the correct region (Global, EEA, or India). Flashing a China-only ROM on a Global device can sometimes cause issues with Dual SIM recognition if the modem firmware differs [8].

If you have a custom recovery, boot into TWRP, wipe the data/cache (advanced wipe), and install the ( .zip ) [3]. Important Notes for Dual SIM Devices Flashing a China-only ROM on a Global device

Use the three-dot menu to "Choose update package" and select the .zip file you downloaded [1]. : Requires an unlocked bootloader and the MiFlash Tool .