How to know if your phone is being tracked and block it on iPhone and Android

How to know if your phone is being tracked and block it on iPhone and Android

The digital revolution has many advantages; however, it also has some disadvantages. For instance, trackers can access your device remotely and invade your privacy. Thankfully, you can learn how to know if your phone is being tracked and prevent that from happening.

Yellow loupe icon processing data on smart phone
Mobile phone tracking compromises your privacy and personal data security. Photo: Da-kuk (modified by author)
Source: Getty Images

TABLE OF CONTENTS

Mobile phone tracking is the process of identifying the location and movement of a mobile device, typically through GPS or cellular data. There are several reasons why your phone could be monitored illegally. For example, your ex-partner may track your phone out of jealousy or a former friend where the friendship ended, and they may be unhappy.

How to know if your phone is being tracked

Is there a way to tell if my phone is being tracked? Attackers mostly use spyware and stalkerware to access information, which can be installed on your mobile device without your knowledge. Therefore, it's essential to identify and remove it if you confirm someone has been spying on your phone. Below are ways to tell if someone is monitoring your phone.

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1. Lower battery life

If battery life drastically changes, it could be a tell-tale sign. Like all other software, malicious software needs battery power to operate, which will drain your battery. Check your device's battery usage history for suspicious activity, as it tells you which apps have been using power.

2. Slower operation

When a tracker infiltrates your phone, it uses your device's processing power to run its operations. This infiltration leads to poor performance and unusual restart alerts. You might also find that your phone applications freeze or hang repeatedly, and web pages load slowly.

3. Strange popups

If your device displays popup advertisements more often than before, you might have adware on your phone. Some spyware forces devices to view certain pages that drive revenue through clicks. Such ads and popups may also increase data usage and pose a massive cybersecurity threat.

4. Less storage space/unknown apps installed.

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If your device's storage is suddenly less than expected, that might result from malicious software hiding your device. For example, if your device is new with 32 gigabytes of internal storage but is nearly full despite your personal files being few or small in size, it could be a sign.

5. Poor clarity on calls or no messages

When you cannot hear calls clearly, or there is background noise, your phone could have been tracked with stalkerware. Some hackers clone SIM cards, disabling mobile phone users from receiving calls or messages.

6. Leaking of personal information

Smiling woman with cup of coffee and cell phone standing at the window at home
If someone has tracked your mobile device, they can access your personal data and leak it. Photo: Westend61
Source: Getty Images

If someone has tracked your phone, they can access your personal data and leak it. There could also be unusual social media activity on your accounts and emails. Sometimes, you might also find applications you did not download on your mobile device. Therefore, apart from the pre-installed apps, ensure you know all the apps on your device.

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7. Your phone gets overheated

Spyware can cause your battery to overheat. This phenomenon indicates that your data and the internet are being used more rapidly than usual. It is related to excessive RAM usage.

8. The phone freezes or abruptly turns off

Another indicative feature is some apps will record poor performance. You might notice that some apps keep running despite you closing them. Others may crash, and screens in some phones freeze and restart unexpectedly. This is due to the phone's RAM being overloaded.

9. Unusual and peculiar permission requests

Some apps seek your permission to use them effectively, while others don't require these permissions. For instance, a social media app may request permission for camera access, while an app built for setting reminders doesn't need camera access. Therefore, if an app sends you strange permission requests, it may be trying to monitor you.

10. Unusual phone activity when not in use

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If your phone lights up when not in use, makes noises, or receives calls while in silent mode, it could detect activity from someone attempting to monitor it. You may also hear your notification vibration despite no notification being pushed from your device.

How to block someone from tracking your phone on iPhone and Android

There are several ways to block phone tracking. One of the best for iPhone and Android is using a VPN, which helps hide your IP address and location. Here are other ways to stop someone from tracking your mobile device.

Turn on Airplane mode

Turning on Airplane mode quickly cuts off your phone's wireless connections, including Wi-Fi, GPS, and Bluetooth. Your phone will be disabled from sending out signals, which will help prevent it from being tracked by other devices on the network.

On Android

Turning on Airplane mode
Turning on Airplane mode will help you block someone from tracking you. Legit.ng (modified by author)
Source: Original
  1. Swipe down from the top of your home screen.
  2. Tap the Airplane mode button.

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On iPhone

  1. Swipe down from the top-right corner of your home screen.
  2. Tap the Airplane mode icon.
  3. Update location-sharing for your phone apps.

Turn location off

Are you aware that even with your Airplane mode on, GPS may still track your location? Therefore, turning off location services on your device is important to prevent apps from tracking your location. Below is a simple step-by-step process for doing it.

On Android

  1. Open Settings and tap Location on your phone.
  2. Turn off location sharing for all apps by tapping off Location Access.

Alternatively:

  1. Swipe down from the top of your phone screen.
  2. If the Location button is on, tap it to disable it.

You can block location tracking on specific apps by following the steps below.

Process of turning location off on Android device
Steps for turning location off on Android device. Photo: Legit.ng (modified by author)
Source: Original
  1. Go to Settings and tap Location.
  2. Tap App permissions and open it.
  3. Find the app you want to disable location tracking for and tap on it.
  4. You will see the following options for location permissions for each app: Allow all the time, Allow only while using the app, Ask every time, or Don't Allow.
  5. Choose the setting you want.

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On iPhone

  1. Go to Settings.
  2. Tap Privacy & Security.
  3. Tap Location Services.
  4. Toggle Location Services off.
  5. To turn off location sharing by app, go through the list to see which apps use location on your iPhone.
  6. Once you get an app you want to adjust, tap it.
  7. For each app, you will get Location Access preferences: Never, Ask Next Time, When I Share, While Using the App, or Always. Then, select the setting you want.

Turn Bluetooth off

If you want to keep your network connection and Wi-Fi on, unlike disabling Airplane mode, you can turn Bluetooth to prevent some form of tracking from happening. Here are simple steps on how to turn it off.

On Android

  1. Swipe down from the top of your screen.
  2. Tap the Bluetooth icon to turn it off.

On iPhone

  1. Swipe down from the top-right corner of the screen to open the Control Center.
  2. Tap the Bluetooth button to turn it off.

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Manage app permissions

Controlling who has access to your information ensures that unauthorised apps can't access your location information, microphone or camera. Here is how to do it.

On Android

Process of managing app permissions
Steps for managing app permissions on Android devices. Photo: Legit.ng (modified by author)
Source: Original
  1. Go to Settings.
  2. Select Security and privacy.
  3. Then tap Privacy.
  4. Then select Permission Manager to open it.
  5. Tap a category, then choose which apps should have permission.

On iPhone

  1. Go to Settings.
  2. Select Privacy & Security.
  3. From the list of your mobile features, tap a category and then select which apps should have permission.

Use a private browser

Using a private browser such as Avast Secure Browser is safer than a normal one. It blocks ads, cookies, and temporary internet files and only allows sites with an SSL certificate to open.

Disabling call forwarding

Disabling call forwarding on your Android or iPhone device can also prevent someone from monitoring you. Here are simple steps to do it.

On Android

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Process of disabling call forwarding
Steps for disabling call forwarding on Android devices. Photo: Legit.ng (modified by author)
Source: Original
  1. Open the Phone app and tap the three dots in the top-right corner.
  2. Choose Settings and tap Supplementary Services.
  3. Select Call forwarding and toggle off all the options: Always forward, Forward when busy, Forward when unanswered, and Forward when unreachable.

On iPhone

  1. Go to the Settings app.
  2. Choose Phone.
  3. Select Call Forwarding from the menu and toggle it off

How can I detect a tracker on my phone?

You might notice unusual sounds during calls, cameras and microphones turning on randomly, your phone's battery life decreasing, or your battery getting overheated.

Can someone track my phone without me knowing?

Surprised woman using mobile phone while sitting on sofa at home
Someone can monitor your mobile device without ever touching the actual device. Photo: Westend61
Source: Getty Images

Someone can monitor your mobile phone without ever touching the actual device. Spyware and stalkerware can be installed on your phone without your knowledge, allowing the attacker to steal information, track activity, and more.

Does *#21 tell you if your phone is tapped?

Hackers may forward all your calls and messages, whether you're available or out of reach. This is referred to as unconditional data forwarding or diversion.

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It cancels and redirects calls to another line without even allowing your phone to ring. To check whether your phone has been tapped this way, dial *#21#. If you find it has been hacked, dial ##21# to erase the settings

The advancements in technology have eased people's lives in numerous ways. However, they have also brought countless challenges that threaten to invade privacy and even endanger lives. With these tips on how to know if your phone is being tracked, you are better positioned to prevent these malicious incidents or respond better if you fall victim.

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Authors:
Isaac Wangethi avatar

Isaac Wangethi (Lifestyle writer) Isaac Wangethi has been a content writer at Legit since September 2021. He has gained valuable experience working on various projects, such as celebrity biographies, lifestyle, news and many more. Isaac won the Writer of the Year Award on Legit in 2023. He earned a Bsc. of Science in Information Technology in 2017 from the University of Nairobi and a Higher Diploma in Computer Software Engineering from Gretsa University in 2021. In 2023, Isaac finished the AFP course on Digital Investigation Techniques. In March 2024, he completed the Google News Initiative course. Email: Wangethin@gmail.com

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