Problem with new sim card

So I got a new unlocked sim card and it can’t get signal when inserted in second sim position.
In first position it works fine.
Also, other card works fine at second position, so it’s not a problem of the phone.

Any ideas?

Contributor

@viper the m1 has a 2G and 3G simslot as far as I know.

This is just a sum-up: the new simcard does work on 3G sim card slot? But it does not work in the 2G?

That’s weird, the new simcard should support the basic 2Gbands I guess.

It shouldn’t be an issue with 2G, 3G.
Something affects the card.
The other card that works fine at second slot it’s a 4G card, but still works fine as 2G when used at second slot.

Contributor

@viper yes you are right, it should make no difference. Strange Sim. ;(

You’re right Viper.

It shouldn’t be an issue with 2G, 3G.
Something affects the card.
The other card that works fine at second slot it’s a 4G card, but still works fine as 2G when used at second slot.

So, I checked with the sim supplier.
The card works only as 3G. So, as long as the 2nd slot is only for 2G, the card cannot work directly.

Has anyone found anyway to change the 2nd slot for operating only at 2G?

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