![Celle, Germany : O2 shop. O2 is a European telecommunications company, specialized in mobile telephony owned by Telefonica Stock Photo - Alamy Celle, Germany : O2 shop. O2 is a European telecommunications company, specialized in mobile telephony owned by Telefonica Stock Photo - Alamy](https://c8.alamy.com/comp/2E265XX/celle-germany-o2-shop-o2-is-a-european-telecommunications-company-specialized-in-mobile-telephony-owned-by-telefonica-2E265XX.jpg)
Celle, Germany : O2 shop. O2 is a European telecommunications company, specialized in mobile telephony owned by Telefonica Stock Photo - Alamy
![MOENCHENGLADBACH, GERMANY - SEPTEMBER 18, 2020: O2 mobile phone store in Moenchengladbach. O2 is a mobile operator owned by Spanish company Telefonica Stock Photo - Alamy MOENCHENGLADBACH, GERMANY - SEPTEMBER 18, 2020: O2 mobile phone store in Moenchengladbach. O2 is a mobile operator owned by Spanish company Telefonica Stock Photo - Alamy](https://l450v.alamy.com/450v/2rwf95w/moenchengladbach-germany-september-18-2020-o2-mobile-phone-store-in-moenchengladbach-o2-is-a-mobile-operator-owned-by-spanish-company-telefonica-2rwf95w.jpg)
MOENCHENGLADBACH, GERMANY - SEPTEMBER 18, 2020: O2 mobile phone store in Moenchengladbach. O2 is a mobile operator owned by Spanish company Telefonica Stock Photo - Alamy
![DORTMUND, GERMANY - JULY 15: O2 Mobile Phone Store On July 15, 2012 In Dortmund, Germany. O2 Had 3.745 Billion EUR Revenue In 2009. Stock Photo, Picture and Royalty Free Image. Image 23342676. DORTMUND, GERMANY - JULY 15: O2 Mobile Phone Store On July 15, 2012 In Dortmund, Germany. O2 Had 3.745 Billion EUR Revenue In 2009. Stock Photo, Picture and Royalty Free Image. Image 23342676.](https://previews.123rf.com/images/tupungato/tupungato1310/tupungato131000601/23342676-dortmund-germany-july-15-o2-mobile-phone-store-on-july-15-2012-in-dortmund-germany-o2-had-3-745.jpg)