Lenovo has released the first bug fix & stability update for Vibe P1 Marshmallow 6.0.1 [P1a42_S263_160427_ROW_TO_P1a42_S272_160506_ROW]
If you have any stability issues or fingerprint problems try updating it to the latest version of Marshmallow update.
To download the latest update go to Settings >> About phone >> System updates
Download size: 16 MB
Old Version: P1a42_S263_160427_ROW
New Version: P1a42_S272_160506_ROW
Security Patch: 1st March 2016
My fingerprint hardware is not available but my system update shows that my phone is updated. What must I do to make it active once again?