Are you worried your phone is acting strange? Do you suspect it might be hacked?
In today’s digital world, smartphone hacking is more common than you think.
Let’s explore how to know if your phone is hacked, what signs to watch for, and how to fix it.
How to Know If Your Phone Is Hacked – Top 7 Warning Signs

Battery Drains Quickly
If your phone’s battery is draining faster than usual, it might be due to hidden apps running in the background.
Moreover, malware consumes power silently.
Unusual Data Usage
For example, if you see sudden data spikes without any heavy use, it could be your phone sending data to hackers.
Overheating Without Use
In addition, if your phone heats up even when idle, suspicious background activity may be the cause.
Apps You Didn’t Install
Unfamiliar apps may be installed by hackers. Always review your app list.
Pop-ups and Ads Everywhere
Adware can flood your device with pop-ups, even outside your browser.
Strange Behavior or Messages
If your phone is sending texts you didn’t write, it’s likely compromised.
Changed Settings or Disabled Security
Therefore, keep an eye on system changes you didn’t make.
How to Know If Your Phone Is Hacked and What You Should Do
If you’ve noticed one or more of the above signs, there’s a good chance your device is compromised.
Here’s what you should do:
- Run a trusted antivirus scan
- Delete unknown apps
- Change all important passwords
- Enable 2FA (two-factor authentication)
- Reset your phone if needed (factory reset)
How to Know If Your Phone Is Hacked and What You Should Do
Your phone hacked through:
- Clicking suspicious links
- Downloading fake apps
- Using public Wi-Fi without a VPN
- Not updating your phone regularly
- Opening unknown mails and text messages
Best Free Tools to Detect If Your Phone Is Hacked
Check out our blog on Will AI Generated Code Replace Developers?
Also Read: Free AI Tools 2025: Best Picks for Students & Creators