How to find Private Key in Mycelium Bitcoin Wallet

1. Accounts Tab > My HD Accounts

2. Three Dots

3. Export

4. Show Private

* BIP32 Root Key Shows Up, starts with xprv

5. Use Mnemonic Code Converter - Recovers HD Wallet using mnemonic keywords

    a. Download/access here:

        https://iancoleman.github.io/bip39/ >> redirects to:

        https://iancoleman.io/bip39/

7. Copy BIP32 Root Key shown in the wallet

8. Paste in the "BIP32 Root Key" field

9. Click on BIP32 TAB, Under Derivation Path

10. Shows BIP32 Extended Private Key field.

Source: Reddit