Try this, worked for me: 1- Login to the paypal website on your computer. 2- Deactivate your mobile phone/ all security keys (I only have a phone on mine) - Profile -> My Account Settings -> Security Key. 3- On your mobile, login as normal. You should now be able to login with just user name/ email and password. 4- If it works, great! Close the app and kill it (double tap home button -> hold your finger on the paypal app icon -> tap to close it). 5- Re-open the paypal app. 6- It should now ask you to login again, tap the 'Create Pin' link. 7- Login with your password (as you've previously logged in, you shouldn't need your user name again). 8- Follow on screen instructions to create your Pin. 9- Go back to the paypal website and re-activate your phone as a security key. 10- You should now be able to freely use the paypal app. After you've done that, the app will no longer ask for your password, it will ask for the pin you just created (so remember it!). Worked for me, hopefully helps others out.
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