Does the Maxcom Comfort MM39D SE work on O2?

Works (on 2G)

Calls and texts work on O2 using 2G. They'll stop working when 2G is switched off unless 4G calling gets enabled.

Last checked 15 October 2026.

How we worked it out

2G calls: The phone supports 2G and O2's 2G network is still on.
4G bands: Shares 4G bands with O2: B1, B3, B20.
4G calling: O2 only enables 4G calling on approved phones, and we haven't confirmed this one.

About 2G: O2 plans to start switching off 2G in summer 2029.

About 4G calling: O2 says 4G calling works on "most O2-compatible devices" and needs a recent SIM. It doesn't mention feature phones.

Where to buy

Out of stock everywhere we've checked.

Onedirect Out of stock £46.79 checked 23 Oct 2026 · Page says "Call us for availability"; stock not confirmed. Price incl. VAT.

Did it work for you?

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Could you make and receive calls? Yes No Sometimes

Did the phone show 4G calling (VoLTE) as on?

Look for a VoLTE or HD icon by the signal bars, or a 4G calling setting.

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See all networks, features and specs for the Maxcom Comfort MM39D SE · Other phones on O2