![Viersen, Germany - June 9. 2021: Closeup of O2 3,5 gb allnet flat prepaid phone card in shelf of german supermarket (focus on big number 3 Stock Photo - Alamy Viersen, Germany - June 9. 2021: Closeup of O2 3,5 gb allnet flat prepaid phone card in shelf of german supermarket (focus on big number 3 Stock Photo - Alamy](https://c8.alamy.com/comp/2G60TJ5/viersen-germany-june-9-2021-closeup-of-o2-35-gb-allnet-flat-prepaid-phone-card-in-shelf-of-german-supermarket-focus-on-big-number-3-2G60TJ5.jpg)
Viersen, Germany - June 9. 2021: Closeup of O2 3,5 gb allnet flat prepaid phone card in shelf of german supermarket (focus on big number 3 Stock Photo - Alamy
![O2 to scrap mobile roaming charges in 47 foreign countries this summer | The Independent | The Independent O2 to scrap mobile roaming charges in 47 foreign countries this summer | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2017/02/27/18/o2-logo.jpg?quality=75&width=1200&auto=webp)
O2 to scrap mobile roaming charges in 47 foreign countries this summer | The Independent | The Independent
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