A hacked phone is terrible news, so if you think someone has hacked your phone, you need to fix it as soon as possible. This article explains how to repair the damage (as much as possible) and get back to your daily life.
Signs that someone has hacked your phone include: your phone losing battery quickly, running slow, strange activity such as pop-ups or apps appearing unexpectedly, or unknown calls or messages in your phone's logs.
There are several reasons why your phone can be hacked. Not all reasons are completely under your control.
Regardless of how hackers managed to install malware or a virus on your phone, the results are usually the same. The hacker will attempt to exploit all the information on your phone to make a profit in some way.