While the phone is locked with a pattern, it is still possible to pull down and use the notification panel.
The wi-fi turns on and some data starts downloading, the torch turns on and discharges the battery, while the phone is in my pocket and is supposed to be locked.
1st turn off auto update apps option from Play Store and Galaxy store. 2nd turn on the ACCIDENTAL TOUCH PROTECTION from Settings > Display > Accidental Touch Protection. In Shaa Allah your problem will solve.
