how to fix 2G internet in Galaxy 3

[AC Question]

hey everybody

i bought recently Galaxy 3 in korea and when i put my sim card in europ i get only 2G internet....when i try to change from automatic mode to WCDMA internet the internet is not working and i can't get network...

Somebody have a solution fro me?

Thank you

 

[B. Diddy]

It may be that the specific S3 you bought in Korea doesn't use the same bands as the 3G and 4G bands in Europe.