How hard is it for someone to hack these phones, and control my phone remotely

[vandalizm205]

?

[LongHiker]

@vandalizm205 If the user is diligent with passwords and avoiding risky behavior it isn't going to happen. 

A review of the security features can be found at https://www.samsung.com/us/security/

[tinyboo2]

What do u do when u think someone hacked your phone

[betancd]

Hard if you download your apps through an protected store such as Play Store or Galaxy Store, don't install random APKs. Bugs are still possible to exploit but stay on latest security update and ensure your accounts have two factor authentication

[wow10]

You can always reset your phone.