The Stable update V13.0.15.0.RGFRUXM has been officially released for POCO C40 (codename is frost). Before updating, please make sure you have downloaded the exact ROM matching your Xiaomi phone/tablet. In Fastboot mode, you can check model code by typing fastboot getvar product
in cmd/shell.
The firmware files posted here are all official Xiaomi MIUI or HyperOS ROM, xiaomiROM.com do not own and never modified those firmwares,you will always download the file from Xiaomi server.
You may interest in those contents: POCO C40 ROM Topics Xiaomi Devices Index
Download Poco c40 (frost) Russia (RU) MIUI 13 V13.0.15.0.RGFRUXM Recovery ROM with Android 11.0. Firmware size is 2.8 GB.
Download Poco c40 (frost) Russia (RU) MIUI 13 V13.0.15.0.RGFRUXM Fastboot ROM with Android 11.0. Firmware size is 5.4 GB.