Hi, download official 2.2/2.3 for U8800Pro and copy it on the MicroSD card via usb card reader.
Turn off the phone , insert MicroSD card and hold vol up, vol down and power buttons at the same time.
Phone will turn on and start installing official 2.2/2.3
When install was comlete, you are done.
Phone: Xiaomi Red Rice WCDMA
Recovery: TWRP 126.96.36.199
Phone 2 : Huawei IDEOS X5 U8800
ROM: CyanogenMod 11.0 - KK 4.4.2