Answer: If you can no longer access your external, self-managed wallet, there are several ways to restore it with the help of your pass phrase (12 or 24 words). The step-by-step plans below are of the most used wallets at the moment. Always check the instructions of the wallet you are using.
Metamask Wallet (pass phrase)
1. After installing a MetaMask wallet, click on 'Import Wallet'.
2. Enter your secret recovery phrase.
3. Choose a new password and click on "Import".
Trust Wallet (pass phrase)
For this example, Trust wallet is used to import a pass phrase:
1. Follow the steps in the link below to restore your Trust wallet.
https://community.trustwallet.com/t/how-to-restore-a-multi-coin-wallet/43
Exodus Wallet (pass phrase)
For this example, the Exodus Wallet is used to import a pass phrase:
1. Follow the steps in the link below to restore your Exodus wallet.
https://support.exodus.com/article/42-how-do-i-restore-from-my-secret-12-word-phrase