E5785-320a UNLOCK

When u boot with these point

You will see a single Huawei COM port in Device Manager
HUAWEI MOBILE CONNECT 3G PC UI INTERFACE PORT (786)

OR

HUAWEI MOBILE CONNECT DOWNLOAD PORT (786)

now open file and Wait for complete Flashing 

after that you can use any network sim card

Open Device Connect Via Test Point And Then Open Unlock Software In Few Seconds  Device Will Be Unlocked For  All Network Thats It