giffgaff runs on the O2 network
Check giffgaff coverage in your postcode area
giffgaff Network Features
2G Network Yes
2nd generation network. Max data speed of 0.3 Mb per second.
3G Network Yes
3rd generation network. Max data speed of 42 Mbps.
4G Network Yes
4th generation network. Max data speed of 1 Gbps (1000 Mb/s).
5G Network Yes
5th generation network. Max data speed of 10 or 20 Gb/s.
WiFi Calling No
Use Wi-Fi for mobile phone calls and texts when no network signal.
4G Calling (VoLTE) No
Voice over LTE (4G Calling) makes clearer HD calls over 4G networks.
Data Rollover No
Unused mobile data allowance rolled over from one month to the next.
Tethering Allowed Yes
Tethering allows you to share your mobile internet with other devices.
giffgaff Frequency Bands
This is a list of radio frequency bands available to giffgaff on the O2 network. You can check which radio frequencies are compatible with your mobile phone device by referring to the technical specifications of your particular handset model.
|Network||5G (NR)||4G (LTE)||3G (UMTS)||2G (GSM)|
|O2||3500 MHz||800 / 900 / 1800 / 2100 / 2300 MHz||900 / 2100 MHz||900 MHz|
giffgaff is a mobile telephone network running as a Mobile Virtual Network Operator (MVNO) using the United Kingdom O2 network. Owned by O2's owners Telefónica, giffgaff was launched on 25 November 2009.