setting>>wireless and network>>mobile networks>>access point names>>(click menu, ur left soft touch button)>>new APN>>kisha jaza hivi:
Name: vodacom/tigo/airtel (itategemeana na mtandao unaotumia)
APN: internet
kwingine acha kama ilivyo. click tena menu (ur left soft touch button)>>save>>rudi back>>utaona vodacom/tigo/airtel internet>>ibonyeze ili.kitaa cha kijani kiwake>>kikiwaka doree.>>rudi back. nenda setting ka activte mobile data.. there u go