Battery draining quickly - The battery is draining fast even without use.

Device slowing down - The phone's performance has suddenly slowed down.

Unwanted pop-up ads - Advertisements appear repeatedly even without opening the app.

Rapid consumption of data - Data usage is more than normal.

Unknown apps appearing - Appearing apps that you have not installed.

Phone overheating - The phone is getting hot even without heavy use.

Unwanted messages/calls - Messages or calls are being made from your phone to unknown numbers.

Abnormal notifications - Abnormal pop-ups or notifications are appearing.