https://r2.community.samsung.com/t5/Tech-Talk/App-lock/m-p/3013856#M29670 There is no inbuilt app lock on Samsung Galaxy m30, So please Give an update with inbuilt app lock.  Wed, 11 Dec 2019 17:43:49 GMT svhegde 2019-12-11T17:43:49Z https://r2.community.samsung.com/t5/Tech-Talk/App-lock/m-p/3013856#M29670 There is no inbuilt app lock on Samsung Galaxy m30, So please Give an update with inbuilt app lock.  Wed, 11 Dec 2019 17:43:49 GMT https://r2.community.samsung.com/t5/Tech-Talk/App-lock/m-p/3013856#M29670 svhegde 2019-12-11T17:43:49Z https://r2.community.samsung.com/t5/Tech-Talk/App-lock/m-p/3014011#M29679 Try to download S secure from galaxy store and check if its compatible with your device or not.. Wed, 11 Dec 2019 18:10:43 GMT https://r2.community.samsung.com/t5/Tech-Talk/App-lock/m-p/3014011#M29679 Sidhabhi 2019-12-11T18:10:43Z