its a microsd card compatibility issue Guys do not worry ... the firmware from huawei is fine , the problem is with the micro sd cards you are using  . try an 8GB original card  . Twinmos / Sandisk / etc....

it should work just fine . Guaranteed to work 100 ?%

It's a MicroSD card compatibility issue. Don't worry, your device is fine. The problem is with the MicroSD card you are using. Try an 8GB original card. Twinmos / Sandisk / etc.