Bip39 mnemonic to private key https://www.4shared.com/s/fAf7kF4dLku On account of how the BIP39 standard operates It's not necessarily sufficient at times to put in writing down only a seed phrase. Additionally it is critical what derivation route you were being using. Occasionally when importing a seed phrase to a distinct wallet https://webnowmedia.com/story5428641/bip39-ethereum-the-5-second-trick-for-bip39-mnemonic-code-converter-tool-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw