kaka hata ukibadili itabadilisha nini? hio ndio android advance. version 4.4 imefocus kwenye vifaa vidogo inamaana hawajaongeza advanced features nyingi.
hapo inabidi ukomae ili upate hio 3g.
kuna njia za kuhack kuweza kufanya modem yoyote ifanye kazi kwenye android kakini naona ni complicated
Connect ANY 3G dongle to ANY android tablet... - xda-developers
alternative unaweza tafuta modem maalum ambazo zinafanya kazi kwenye android cheki baadhi ni hizi
3G Dongle Android | eBay
copy jina halafu zitafute madukani.
pia kuna modem za wireless ambazo unaeka line nazo zinatoa wifi.