Jazz B310s-927 Unlock Dead Repair 

 Jazz B310s-927 Unlock & Dead Repair 

Method:

To unlock Jazz B310s-927 Unlock & Dead Repair, you have to open the physical screws of the device, and you can see the below images for reference

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