https://community.sony.de/t5/z-series/pin-is-required-for-additional-security-when-unlocking-phone/m-p/3613782#M119752 <P>Hi,</P><P>It started today, that I can't unlock my phone using just fingerprint. It says 'pin is required for additional security'. I didn't reboot the phone or changed something. I had my work email on my phone but now I deleted it, so it can't be a security issue. What is wrong and how can I fix it?&nbsp;</P> Wed, 18 Apr 2018 13:12:45 GMT Rimante 2018-04-18T13:12:45Z https://community.sony.de/t5/z-series/pin-is-required-for-additional-security-when-unlocking-phone/m-p/3613782#M119752 <P>Hi,</P><P>It started today, that I can't unlock my phone using just fingerprint. It says 'pin is required for additional security'. I didn't reboot the phone or changed something. I had my work email on my phone but now I deleted it, so it can't be a security issue. What is wrong and how can I fix it?&nbsp;</P> Wed, 18 Apr 2018 13:12:45 GMT https://community.sony.de/t5/z-series/pin-is-required-for-additional-security-when-unlocking-phone/m-p/3613782#M119752 Rimante 2018-04-18T13:12:45Z