Bluetooth auf Android-Handys unbedingt ausschalten (2024)

Cyberkriminelle können komplette Kontrolle über Smartphones übernehmen.

Besitzer eines Smartphones, das mit Android läuft, sind derzeit möglicherweise einer großen Gefahr ausgesetzt. Im Google-Betriebssystem wurde eine kritische Sicherheitslücke entdeckt, die es Angreifern ermöglicht, aus der Ferne die Kontrolle über das eigene Handy zu übernehmen. Darüber hinaus können sie auch alle privaten Daten stehlen.

Angriff über Bluetooth

Die Lücke mit der kryptischen Bezeichnung CVE-2020-0022 betrifft die Bluetooth-Funktion. Wer noch nicht das aktuellste Update auf seinem Android-Smartphone installiert hat, sollte die Bluetooth-Funktion derzeit lieber ausschalten. Nur so sei man vor Angriffen geschützt, so die Entdecker der Lücke. Angreifer brauchen keinen Zugang zum Gerät, sie müssen sich laut den Sicherheitsexperten von ERNW lediglich in Bluetooth-Reichweite befinden und schon können sie das Smartphone manipulieren.

Nur neueste Version sicher

Google hat die Sicherheitslücke mittlerweile geschlossen. Sicher ist man aber nur mit dem neuesten Android-Update mit den Nummern 2020-02-01 oder 2020-02-05. In den Einstellungen unter „System“ > „Erweitert“ finden Sie den Unterpunkt „Systemupdate“. Hier können Sie kontrollieren, ob ihre Android-Version bereits auf dem neuesten Stand ist. Erst wenn das der Fall ist, kann man die Bluetooth-Funktion wieder sicher nutzen.

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Bluetooth auf Android-Handys unbedingt ausschalten (2024)

FAQs

How do I pair an unpaired Bluetooth device on Android? ›

Step 1: Pair a Bluetooth accessory
  1. Swipe down from the top of the screen.
  2. Touch and hold Bluetooth .
  3. Tap Pair new device. If you don't find Pair new device, check under "Available devices" or tap More. Refresh.
  4. Tap the name of the Bluetooth device you want to pair with your device.
  5. Follow any on-screen instructions.

How do I reset my Bluetooth on my Android? ›

1. Head to Settings > System, and tap the Advanced drop-down button. 2. Then, tap "Reset options" and choose Reset Wi-Fi, mobile, & Bluetooth.

How do I permanently turn off Bluetooth on my Android phone? ›

While your Android device might be a little different to the one on screen, the steps to turn off Bluetooth will be similar. To turn off Bluetooth, open Settings, locate Bluetooth, swipe to turn Bluetooth off. Bluetooth is now turned off.

How do I uninstall Bluetooth on Android? ›

Delete Paired Bluetooth Connection - Android
  1. From a Home screen, do one of the following to ensure Bluetooth® is turned on from your Android™ device: Navigate: Settings. Connected devices. Connection preferences. Bluetooth. . Navigate: ...
  2. Tap the appropriate device name or the. Settings icon. (right).
  3. Tap 'Forget' or 'Unpair'.

How do I reconnect a Bluetooth device that is disconnected? ›

Reconnecting the Bluetooth device
  1. Select Remotes & Accessories → Bluetooth device name → Connect. (Android 10 or later)
  2. Select Remotes & Accessories → Bluetooth settings → Registered devices → Bluetooth device name → Connect. (Android 9)
  3. Select Bluetooth settings → Registered devices → Bluetooth device name → Connect.
Sep 23, 2023

How do I remove unpaired Bluetooth? ›

Android (smartphone, tablet)

Select Previously connected devices or Bluetooth. Note: If the Bluetooth function is set to OFF, set it to ON. Select (Settings) next to the name of the device that you want to unpair. Select FORGET.

How do I fix my Bluetooth not working on my Android? ›

Step 1: Check Bluetooth basics
  1. Turn Bluetooth off and then on again. Learn how to turn Bluetooth on and off.
  2. Confirm that your devices are paired and connected. Learn how to pair and connect via Bluetooth.
  3. Restart your devices. Learn how to restart your Pixel phone or Nexus device.

How do I reset Bluetooth Device Manager? ›

Here's how:
  1. In the search box on the taskbar, enter device manager, then select Device Manager from the results.
  2. In Device Manager, select Bluetooth. ...
  3. Select Start , then select Power > Shut down .
  4. After your device shuts down, wait a few seconds, and then turn it back on.

Why is Bluetooth not connecting Android? ›

an Android that won't connect to Bluetooth. Turn Bluetooth off and back on again. Restart your phone and your Bluetooth device. Check to see if you can clear your Bluetooth.

How do I turn off Bluetooth absolute volume? ›

How to disable the Bluetooth Absolute Volume on Android:
  1. Go back to the main Settings page.
  2. Tap on System.
  3. Scroll to the bottom and hit Developer options.
  4. Under the Networking section, you can find Disable absolute volume. Toggle the feature one. If you're having trouble finding it, you can use the search function.
Dec 4, 2023

Why should you turn off Bluetooth when not in use? ›

In conclusion, disabling Bluetooth and Wi-Fi when not in use is a simple yet effective practice to enhance the security of your mobile device and conserve battery life. Hackers are constantly looking for vulnerabilities in wireless communication technologies, and leaving Bluetooth and Wi-Fi enabled when not in use can ...

Is it OK to leave Bluetooth on on Android phone? ›

While Bluetooth is beneficial for many applications, be careful how you use it. My advice: Turn off Bluetooth when you're not using it. Keeping it active all the time makes your device more discoverable. As a bonus, keeping Bluetooth off will increase your device's battery life.

How do I change my Bluetooth settings? ›

How to access the Bluetooth settings on your Android phone
  1. Drag down the top of your screen to open the quick settings menu.
  2. Press and hold the Bluetooth icon. Doing so will jump you straight into the Bluetooth settings menu.
  3. Alternatively, you can go into your Settings and select Device Connection.
Jan 19, 2023

How do I disconnect my phone from other devices? ›

If your phone is connected to another device via Bluetooth, you can simply disconnect it by turning off Bluetooth on your phone. Go to your phone's settings, find the Bluetooth option, and toggle it off. This will sever the connection between your phone and the other device.

How do I manually pair a Bluetooth device? ›

Pair your device with a Bluetooth accessory
  1. On your device, go to Settings > Bluetooth and turn on Bluetooth. ...
  2. Place your accessory in discovery mode and wait for it to appear on your device. ...
  3. To pair, tap your accessory name when it appears onscreen.
Feb 15, 2024

How do I find my lost unpaired Bluetooth device? ›

Locating a Lost Bluetooth Device
  1. Make sure Bluetooth is active on the phone. ...
  2. Download a Bluetooth scanner app. ...
  3. Open the Bluetooth scanner app and start scanning. ...
  4. When the item shows up on the list, try to locate it. ...
  5. Play some music.
Jun 17, 2023

Why is my Bluetooth device not pairing? ›

If your Bluetooth devices won't connect, it's likely because the devices are out of range, or aren't in pairing mode. If you're having persistent Bluetooth connection problems, try resetting your devices, or having your phone or tablet "forget" the connection.

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