&


Same happen to me.

After i read this https://www.reddit.com/r/TREZOR/comments/8otl8q/how_to_verify_signatures_outside_of_wallettrezorio/.
I think the problem is electrum wallet still not familiar with P2SH.
So, i did some browsing, and found this info : https://bitcoinelectrum.com/creating-a-p2sh-segwit-wallet-with-electrum/.
I already do some modification on my current electrum wallet and my wallet information showing p2wpkh-p2sh as mention of that guide...



Next, i do verify this wallet address using updated electrum wallet


result is.. tadaaaa..



wrong signature still showing.  
If anyone of you can solve this.. please let me know. Thank you.