Does the Unihertz Jelly Star work on Telekom?
It works, with caveats.
Works with caveatsCalls and texts can fall back to 2G. Telekom plans to switch 2G off completely by 30 June 2028. We haven't found confirmation that 4G Calling works on Telekom. 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 Telekom's own published network facts (see How we check). Nobody has confirmed it for this exact pairing yet.
Telekom (Germany)
- 3G: Switched off in 2021
- 2G: On until 30 June 2028, when Telekom plans to switch it off completely
Unihertz Jelly Star
- 2G: GSM 850 / 900 / 1800 / 1900
- 3G: Not published or not checked yet
- 4G bands: FDD 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66; TDD 34, 38–41
- 4G Calling: unknown – No UK or Portuguese network VoLTE confirmation found.
The same applies to networks that run on Telekom: congstar. Smaller networks sometimes handle 4G Calling differently, so check with them too.
Other networks in Germany
- Vodafone Works with caveats
- O2 (Telefónica) Works with caveats
- 1&1 Works with caveats
Everything about the Unihertz Jelly Star · All phones on Telekom · Dumbphones that work in Germany
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Sources
How we decide: our method.