I am confident it's not user mistake, Because the recovery phrase was present in two different spots: backed up in a file on S3, and printed over a bit of paper. On this page we’ll share the list of concurrency wallets (both equally hardware and computer software) that supports BIP39 https://bookmarkpressure.com/story18738753/helping-the-others-realize-the-advantages-of-bip39-mnemonic-phrase-tool