O2
O2 eSIM — coverage, plans & network
Europe
2
countries
36
plans
$2.34
price from
3G, 4G
Network
About the operator
O2 is a telecommunications brand owned by Telefónica, used primarily in the United Kingdom and Germany. In the UK it is the largest mobile network by customer base.
- Founded
- 2002
- Headquarters
- United Kingdom
- Group
- Telefónica
- Network
- 3G, 4G
Available plans
Countries covered
Get your Germany eSIM or Slovakia eSIM from AviaeSIM — instant QR activation, no roaming fees.
How to activate
- 1Choose your destination and a plan on the O2 network
- 2Pay and receive your eSIM QR code by email
- 3Scan the QR code in your phone's settings to install it
- 4Turn on data roaming for the eSIM when you arrive
Frequently asked questions
Which countries is O2 available in?
AviaeSIM offers the O2 network in 2 countries.
Does AviaeSIM use the O2 network?
Yes. Some of our eSIM plans run on the O2 network.
How do I get an eSIM for the O2 network?
Pick your destination country, buy a plan and activate it with a QR code — no physical SIM required.
Do I need a physical SIM for O2?
No — an AviaeSIM eSIM installs digitally via QR code, and your phone keeps its main SIM.
How much does an O2 eSIM cost?
AviaeSIM plans on the O2 network start from $2.34.