How to update Huawei U8500 to froyo(android 2.2)?

This HOWTO describes the procedure to update Huawei U8500 firmware from eclair to froyo. The steps are simple.

1. Download the firmware that is U8500 V100R001C278B712
2. After the file is downloaded to your computer, extract it.
3. The extracted folder will contain folder named dload which will contain file updata.app.
4. Copy the folder (dload) to the root of SD card. So that the directory path is ⁄sdcard⁄dload.
5. Power off the phone.
6. Press end key (key used to hang up the call) + volume up key + power button. The screen may read Update failed. If such is the case remove the battery, plug in the battery and try again. The phone will reboot after the firmware upgradation is sucessful and there you are with Froyo. Happy Froy