Mobile Phone and Navigation while visiting Silicon Valley and U.S.A.

Visitors from the Nordics and Baltics can easily get caught with huge roaming costs while visiting Silicon Valley. US have two major mobile phone network operators that run on the GSM network: AT&T and T-Mobile. Both offer prepaid cards (which require an unlocked GSM smartphone):
Then add the Google Maps app and you have a great navigation tool. Be aware that Google Maps use a lot of data so get an appropriate prepaid plan with enough data.Other handy apps includes:
  • Instabridge (from Stockholm, Sweden), crowdsourced free wifi for your smartphone while travelling
  • Goodspeed (from Oulu, Finland) makes data roaming fees and overages obsolete