I got security patch update for my J7 duo,(The update file is upto 102 MB and security patch date is 1 may 2020) After completed these update my phones battery becomes very fast drain,These problem shows after completed that update so plz fix it very...

When ever i unlock my device with fingerprint the device show me direct secure folder screen,i dont no why.I open a secure folder after long time and after that it showing these problem but when i unlock device with the face lock it doesn't show, it ...