Does the Doro Leva L20 work on O2 (Telefónica)?

Q: Does the Doro Leva L20 work on O2 (Telefónica)?

Works with caveats. Calls and texts can fall back to 2G. O2 switches 2G off in the second half of 2028 and asks people to replace 2G-only devices by 1 July 2028. It supports 4G Calling, but we haven't found confirmation that it's enabled on O2 (Telefónica). 4G data should work (shared bands: 1, 3, 7, 8, 20).

Last checked 23 Oct 20265 sourcesWorked out from published specs

It works, with caveats.

Works with caveats

Calls and texts can fall back to 2G. O2 switches 2G off in the second half of 2028 and asks people to replace 2G-only devices by 1 July 2028. It supports 4G Calling, but we haven't found confirmation that it's enabled on O2 (Telefónica). 4G data should work (shared bands: 1, 3, 7, 8, 20).

Fine for now. The catch is how calls get through: if they ride on 2G or 3G, they stop when O2 (Telefónica) switches that off.

We worked this out from the phone's published bands and O2 (Telefónica)'s own published network facts (see How we check). Nobody has confirmed it for this exact pairing yet.

O2 (Telefónica) (Germany)

3G: Switched off in 2021
2G: On until the second half of 2028 (replace 2G-only devices by 1 July 2028)

Doro Leva L20

2G: GSM 900 / 1800
3G: 900 MHz, 2100 MHz
4G bands: 1, 3, 7, 8, 20, 28
4G Calling: yes – Doro's UK spec sheet lists VoLTE: Yes, and Three lists 4G Calling (VoLTE) as supported.

Other networks in Germany

Telekom Works with caveats
Vodafone Works with caveats
1&1 Works with caveats

Everything about the Doro Leva L20 · All phones on O2 (Telefónica) · Dumbphones that work in Germany

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Sources

How we decide: our method.