I have a Mycelium wallet with a Bitcoin SA (Single Account). There are three addresses, and on the Legacy (P2PKH) and the SegWit native (Bech32) addresses there is unspent outputs.
I have imported the private key of this SA to different wallet (Electrum), but it only shows the unspent output on the Legacy address.

I don't understand why the SegWit native address unspent output is not available to me in the Electrum wallet.
Are the two different addresses not derived from the same key pair?
Can I somehow inform Electrum of the SegWit native address?

Edit: So... right after posting this, I found an explanation here: https://bitcointalk.org/index.php?topic=5096376.msg49195127#msg49195127