Step 1: Click on the portrait image at the top of the homepage, click [Wallet Management].
Step 2: Click [Unbind blockchain Wallet].
Step 3: Enter mnemonic, then click [Submit].
Step 4: Click [Confirm], successfully unbind.
*You can only retrieve your mnemonic if your wallet is bound.
*Please remember 12 words, once APP uninstall need to be bind once again.