Bip39 implementation https://www.symbaloo.com/mix/bookmarks-xfkm Though it takes advantage of BIP32 system you'll be able to nonetheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 There may be BIP44 Variation which some wallet use for your era of seeds. Press X to abort passphrase software and maintain enhancing the passphrase. https://bookmark-share.com/story20676128/bip39-light-bip39-compatible-wallet-can-be-fun-for-anyone-https-linktr-ee-bip39