I forgot my PIN code. What do I do? If you forgot your PIN code, take the following steps: Uninstall your Replika app. Download Replika. Log in to your account. Set up a new PIN code in the app Settings. Related articles How do I set up a PIN code? How do I begin Replika? How do I change my Replika's name? What languages are supported on Replika? How can I protect my personal information?