Shot of people using smartphones in office (peopleimages12 (123RF))
When you arrive, put your phone in airplane mode to avoid unexpected charges. Also update any two-factor authentication (2FA) contact details so you can use after arrival.
Visit ofcom.org.uk to see which providers offer the best signal for 3G, 4G and calls for where you plan to live.
EE, Three, O2, Vodafone, Sky Mobile, Virgin Mobil, GiffGaff, Tesco Mobile
Require a service contract of 18-24 months.
Need a pounds sterling account with a U.K. sort code and account number.
No military clause included.
Purchase a SIM card from an online vendor to be mailed to a U.K. address, or at a retail location (like grocery stores).
Pay to add more GBs via your account online, or at a retail location.
No pounds sterling account is needed to set up if you purchase and top up from retail locations.
Skype
Facebook Messenger
Facetime
Hangouts
