Bip39-j-90-4g c https://www.storeboard.com/myrtierisaliti Though it takes advantage of BIP32 system you may continue to import BIP39 seeds into Electrum wallet. Also apart from BIp32 There exists BIP44 Variation which some wallet use for that era of seeds. Press X to abort passphrase software and continue to keep enhancing the passphrase. https://thebookmarklist.com/story20149949/bip39-reddit-a-secret-weapon-for-bip39-mnemonic-https-linktr-ee-bip39