What is difference between Flash and Unlock Code and how to use Flash Code and Unlock Code

I have given many modem unlocking solution for various modems and mobile phones e.g. Huawei, ZTE, Alcatel, Micromax, Airtel, Vodafone, Terac...

What is the difference between MB Star C3 and MB Star C4

Many times ago, i saw a blog about MB sd connect C4 for benz, the author said he like this tool very much, and make a comparison with MB Sta...