Password on booting

[HBK515]

Hi I'm using Samsung galaxy M21 how to set password on while booting?  Can you please tell me

[Cinematographerrr]

3,

[HBK515]

But in my mobile I can't find

[Ehsank]

did you format your device or simply restart?

[Ehsank]

which device you have?

[Ehsank]

because in so many device doesn't have this option

[HBK515]

@ehsank Samsung m21

[Shailesh_Kumar]

Search for secure startup in search bar in phone Setting .

[HBK515]

ok I'll search

[Ehsank]

no such option in M series I think

[Shailesh_Kumar]

Yes .I think .