Product Review

What do you get:
1. A trio size (nano/micro/std) SIM which will fit all phones, make sure your device is GSM / LTE unlocked
2. A Prepaid bundle of 12GB data, unlimited voice mins, unlimited texts for 30 days use

How to activate:
1. Simply insert SIM into your unlocked phone, make sure you enable roaming in settings.
2. Wait for the signal, accept Three UK setting messages, then you are all set to go.

How to test the SIM in the US:
1. Data Test - Simply surf the internet
2. Voice Test - Make a call to an UK number e.g +44 7782 333 333

Countries where you can use:
Azores, Australia, Austria, Balearic islands, Belgium, Brazil, Bulgaria, Canary Islands, Channel Islands, Chile, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, El Salvador, Estonia, Finland
France, French Guiana, French West Indies, Germany, Gibraltar, Greece, Guadeloupe, Guatemala, Guernsey, Hungary, Hong Kong, Iceland, Indonesia, Isle of Man, Israel
Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Macau, Madeira, Malta, Martinique, Netherlands, New Zealand, Nicaragua, Norway, Panama, Peru, Poland, Portugal, Puerto Rico, Republic of Ireland, Reunion
Romania, Saint Barthelemy, Saint Martin, San Marino, Singapore, Slovakia, Slovenia, Spain, Sri Lanka, Sweden, Switzerland, United Kingdom, Uruguay, USA, US Virgin Islands, Vatican City, Vietnam

Three UK Customer Services and Balance Check:
For customer services dial 333 (From abroad +44 7782 333 333) choose option 4 then 5. Choose option 3 to hear your preloaded balance

Notes:
1.When you do a balance check on +44 7782 333 333, you will hear 2 balances: first the current balance which is zero and second, the preloaded bundle or remaining balance, which you will hear by choosing OPTION 3
2. Make sure your APN = three.co.uk to ensure data works in all countries.