The private key is needed to restore an account in the wallet, or for example when recreating your wallet on other devices
Update the app to the latest version. On the WALLET screen, tap on the “Gear” icon to access to the account screen
Tap on “Backup” to see all the private keys of your accounts
Tap on “Copy all keys” to copy all keys to the clipboard
Tap “Choose back up option”. Save it to somewhere safe. Anyone who has access to your keys has access to your funds. Select one of the given options and proceed as usual.
Tip: You can back up the private key of your accounts separately. On the account screen, tap on the “Key” icon as indicated in the image of step 2.
On the second row, tap “Copy” to copy the key to the clipboard.
Then, save it somewhere safe.