[Q] Updating my Huawei Honor [U8860] TO Official ICS

Hello guys.
i've done downloading Huawei Honor Official Ice Cream Sandwich update but i faced a small problem i don't know much about updating softwares or frimwares :rolleyes:
what ever now i've downloaded the official Ice Cream Sandwich update from Huawei Official site > http://www.huaweidevice.com.eg/Produ...HonorU8860.php <
after i extracted the rar file i found 3 files [ Step 1 , Step 2 and Step 3 ] as Screen shot:

and each folder got dload file as the second screen shot:


Sorry i don't know much about devices :confused:
how to complete my update/upgrade ?
thanks :)