Navigate to your Qashio Mobile App Navigate to the card you want to lock and click on the Icon next to Lock Card. Then, Click on Confirmed. 3. To unlock the card, click on the Icon next to Unlock Card. Then, click on Confirmed. Related ArticlesHow Can I Request Funds/Cards and Track Their Status?Add Your Qashio Card to Google WalletHow To Export Card & Company Balances?How To Add My Card To Apple Pay?