dear,
apologise if i didn't reply, but my english is not well and that is why i was thnking to answer using screen shot images, to be clearer.
any way my answer are :
1-yes is 2FA (not 2ap) sorry for typing mistake.
2-yes, first i transfer from coinbase to electrum 2FA wallet, and later i tried to transfer from electrum to ledger nano wallet.
3-sorry again for my bad english...
4-yes i created a 2FA electrum wallet, but set up using pc and not mobile.
follow 2 screen shot with the problem i'm finding.
here ss with mbts trasfered to elecrum wallet
https://ibb.co/1TvL2xhhere ss from send tab , click to max, but only 0,05mbtc instead o 1,05, and when click pay, another window appear saying insufficent fund.
https://ibb.co/1zQxFg3i hope is now clearer and tks for help and patience.