If your phone is working fine & suddenly gets slow or Hang, then it might have the chance of getting hacked.

if you notice that your Device is consuming much more data than you actually use. it happens because your device might be sending the data or receiving the data. in this case, your device consumes more Data.

in your Call log or Message, the box has unusual contact/ numbers Entries which you didn't do then there are high possibilities that you got hacked.

if you are facing issues with Apps & Websites Like Crashing, Error &, etc these kinds of things may occur also when you don't have the proper network but after having all the good if you face then don't ignore it because it is going to cause the issues in future.

If you are getting pop-up ads on your phone without any Adware so this is the point of concern you have to look into it because it is not normal.

If you notice any Unrecognised Apps In Phone which you didn't Install So, as soon as possible Uninstall it. because it contains malware or any harmful Virus.

If your Flash Light turn On Automatically without your Command then Might your device is Affected by Cyber Attack.

If your Smartphone is getting overheated in normal condition then there are chances that your phone got affected.

Your devices should be in good condition like Battery, Apps should not working in the background, Not Applicable while Gaming, Doing Intense Work &, etc...