Sony Xperia XZ2A Manual page 178

PIN Types
In addition to the SIM PIN for SIM Card, there is a different PIN for unlocking the screen
and a WPS PIN for connecting to WPS devices. Do not forget these codes.
Enabling SIM PIN
When PIN is enabled, a window for entering PIN appears to allow handset use each time handset is
powered on with SIM Card installed.
In Home Screen,
Lock screen & security
xperia-xz2a_11_Handset Settings.docx
14
(Apps) (Settings)