Hey I flashed today the stock rom.
Wait till tomorrow and I'll give you a guide to use and which version etc..... But give me your region, and are you sure that your device is GT-S5570I not GT- S5570? If it is GT-S5570I you will find on your box "faster 832 GHz"
Don'T ForgeT TO PresS ThankS
Sent from my device GT-S5570I in my own words
Wait till tomorrow and I'll give you a guide to use and which version etc..... But give me your region, and are you sure that your device is GT-S5570I not GT- S5570? If it is GT-S5570I you will find on your box "faster 832 GHz"
Don'T ForgeT TO PresS ThankS
Sent from my device GT-S5570I in my own words