services including app lock, secure folder, network carrier speed

[Franc101]

Request you to provide security issues in samsung m31s. The device lacks above mentioned features.  Please provide in next update.

Waiting for your feedback. 

[veer]

Right but secure folder net get you via software update but app lock network speed hope Samsung provide in update send feedback to samsung via member app

[veer]

App lock and network speed you download third party apps brother

http://apps.samsung.com/appquery/appDetail.as?appId=com.samsung.android.app.sprotect

S secure app lock samsung official apps bro