Try to find Generic_your country , but if there isn't custpack for your country,download Generic_Lam - open with notepad and look for your operator - if is inside,you can use that custpack
@vlax
For free you can't do backup of your GDFS - only with some payed service.
And I'm not sure about A2Uploader and MasterReset, but I recomend - DON'T do MASTER RESET after using A2UPLOADER