Does the Nokia 235 4G (2024) work on O2 (Telefónica)?

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).

Expect it to work, but read the switch-off dates below. That's where the catch is.

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)

Nokia 235 4G (2024)

  • 2G: GSM 850 / 900 / 1800 / 1900
  • 3G: 850 MHz, 900 MHz, 2100 MHz
  • 4G bands: 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 (EU model)
  • 4G Calling: yes – Listed in HMD's VoLTE-verified product list (TA-1614).

Other networks in Germany

Everything about the Nokia 235 4G (2024) · All phones on O2 (Telefónica) · Dumbphones that work in Germany

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Sources

How we decide: our method.