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Gigaset Comfort 600 SIM, front, in its charging base

Does the Gigaset Comfort 600 SIM work on iD Mobile?

Not confirmed

We can't confirm iD Mobile enables 4G calling on this phone, which it needs to make calls. We don't recommend it for iD Mobile until we can.

We can't yet confirm any of the phones we list make calls on iD Mobile.

Where the Gigaset Comfort 600 SIM does work

How we worked it out

iD Mobile runs on Three's network, so it uses Three's masts and bands.

About 2G: Three has never had a 2G network, so a phone must support 4G calling to make calls on Three.

About 4G calling: iD Mobile's approved-phone list is "advisory". Its staff say many basic phones don't handle 4G calling well.

Did it work for you?

Have you used the Gigaset Comfort 600 SIM on iD Mobile? Tell us whether it made calls. We read every report. Once we've checked it, your answers and note may appear on this page, without your name or email. Reports don't change verdicts on their own, but they tell us what to check next.

Could you make and receive calls?
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 Gigaset Comfort 600 SIM · Other phones on iD Mobile