3 (or Three) is a major cellphone company that operates in many countries, including the UK, Hong Kong, Indonesia, Ireland, Italy, Sweden, Australia, Austria, and China. It's actually owned by Hutchison Whampoa, and operates as separate businesses in each international market. 3 Mobile provides 3G and 4G services through its own network infrastructure (in contrast to the MVNOs that make up much of the UK's mobile phone sector. Three mobile launched back in 2003 in the UK - on 03/03/03 for promotional reasons, although handsets weren't actually available until a month or two later.
Limited-time offers; subject to change. Unlimited talk & text features for direct communications between 2 people; others (., conference & chat lines, etc.) may cost extra. Fastest network claim: Based on Q1 & Q2 2017 data. T-Mobile ONE General Terms: Deposit and $25 SIM starter kit may be required. Capable device required for some features. roaming and on-network data allotments differ: includes 200MB roaming. Unlimited talk & text features for direct communications between 2 people; others (., conference & chat lines, etc.) may cost extra. T-Mobile ONE not available for hotspots and some other data-first devices. Video streams at up to unless you have an HD Day Pass. Optimization may affect speed of video downloads; does not apply to video uploads. For best performance, leave any video streaming applications at their default automatic resolution setting. Tethering: Service may be terminated or restricted for excessive roaming. For the small fraction of customers using more than 50GB per month, primary data usage must be on smartphone or tablet. Smartphone and tablet usage is prioritized over Mobile Hotspot Service (tethering) usage, which may result in higher speeds for data used on smartphones and tablets. Pricing: Without AutoPay, $5 more per line. May not be reflected on 1st bill. Simple Global: Usage may be taxed in some countries. Calls from Simple Global countries over Wi-Fi are $.20/min. (no charge for Wi-Fi calls to US, Mexico and Canada). Activate no-cost upgrade for approx. 256 kbps speeds; standard speeds approx. 128 Kbps. Coverage not available in some areas; we are not responsible for our partners’ networks. Network Management: Service may be slowed, suspended, terminated, or restricted for misuse, abnormal use, interference with our network or ability to provide quality service to other users, or significant roaming. See T-/OpenInternet for data management details. Not for extended international use; you must reside in the . and primary usage must occur on our network. Device must register on our network before international use.