No calls or messages: If you stop receiving calls or messages, the hacker must have got your SIM card cloned from the service provider.
Unusual activity on social accounts: If there are unrecognised activities on your social media or emails account that are connected to your phone, it could mean that a hacker has gained access to the device and it could lead to identity theft.
Unrecognised apps: If you notice any unrecognised applications downloaded on your device, it could be the work of a hacker.
Poor performance: If your phone shows sluggish performance like crashing of apps, freezing of the screen and unexpected restarts, it is a sign of a hacked device.
Draining of battery: The battery life of your phone decreases with time, but if the battery drains at an alarming rate, you must take note.
Exponentially high data usage: If your data bill is higher than usual without you increasing your online activities, it is likely that your phone is hacked and the fraudster is using your phone’s data to run apps in the background.
C alls or messages you have not initiated: If there are unknown calls and messages initiated from your phone, it could indicate that your device has been hacked.
Inappropriate pop-ups: If you see inappropriate or X-rated advertisements pop-ups on your mobile phone, it could suggest that your phone has been compromised.