jaribu kufanya hivi nenda >>settings,
>>wireless & networks,
>>nenda mobile networks,
>>access point names
bofya menu kisha add APN then kwenye Name na APN jaza internet kisha bofya menu then save ukimaliza select hiyo uliyotengeneza kazi kwisha, ukibali simcard ya mtandao mwingine hiyo APN itapotea usishangae we rudia steps.