1. If you lost the mnemonic phrases, but they were already backed up with Encrypt Backup:
You can easily restore your wallet with the mnemonic phrase password and the ciphertext QR code generated during Encrypt Backup.
2. If you lost the mnemonic phrases, but have backed up the private keys of certain cryptos:
You can recover certain crypto assets by importing private keys.
3. If you lost the mnemonic phrases, and didn't have any other backup:
Under these circumstances, your assets will be permanently lost and cannot be recovered. Please make sure to back up your mnemonic phrases or the private keys of your cryptos, and keep them safe.