Seed Phrase Generate And Check. Although it uses BIP32 method it is possible to continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 Variation which some wallet use to the technology of seeds. Passphrase values are saved during the /.tmp.tmp file on the MicroSD https://raymondjvfpa.wikijournalist.com/4942381/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection