![Goodbye 3G - hello improved o2 4G network: Telefónica Deutschland / o2 starts nationwide switch-off of 3G network | Telefónica Deutschland Goodbye 3G - hello improved o2 4G network: Telefónica Deutschland / o2 starts nationwide switch-off of 3G network | Telefónica Deutschland](https://www.telefonica.de/file/public/1746/o2-3G-switchoff--Roadmap-2021-EN-web.jpg)
Goodbye 3G - hello improved o2 4G network: Telefónica Deutschland / o2 starts nationwide switch-off of 3G network | Telefónica Deutschland
![Network Coverage Level Symbol 2. Network Level On Mobile Devices. Network 2G (E), 3G, 4G, 5G Icon Isolated On White Background. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 137669211. Network Coverage Level Symbol 2. Network Level On Mobile Devices. Network 2G (E), 3G, 4G, 5G Icon Isolated On White Background. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 137669211.](https://previews.123rf.com/images/hardqor4ik/hardqor4ik1911/hardqor4ik191100286/137669211-network-coverage-level-symbol-2-network-level-on-mobile-devices-network-2g-e-3g-4g-5g-icon.jpg)
Network Coverage Level Symbol 2. Network Level On Mobile Devices. Network 2G (E), 3G, 4G, 5G Icon Isolated On White Background. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 137669211.
Figure A1: The growth of 3G network coverage between 2007 and 2018 in... | Download Scientific Diagram
![Electronics | Free Full-Text | Impact of 3G and 4G Technology Performance on Customer Satisfaction in the Telecommunication Industry Electronics | Free Full-Text | Impact of 3G and 4G Technology Performance on Customer Satisfaction in the Telecommunication Industry](https://www.mdpi.com/electronics/electronics-12-01697/article_deploy/html/images/electronics-12-01697-g004.png)