No one can see my bluetooth

Why is their not a way to prevent people from seeing and connecting to my Bluetooth

When you go to Settings/Bluetooth it will show all devices within range of your phone that are in Pairing mode. But if anyone with a BT device tries to connect you will see a dialog asking if you approve the connection.

Posted on Jun 11, 2022 11:38 AM

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No one can see your Bluetooth unless you go to Settings/Bluetooth; while you are in that setting your BT is “discoverable”, but it is not visible at any other time. And no one can ever connect to your phone unless you approve the connection, and again, only when you go to Settings/Bluetooth.

No one can see your Bluetooth unless you go to Settings/Bluetooth; while you are in that setting your BT is “discoverable”, but it is not visible at any other time. And no one can ever connect to your phone unless you approve the connection, and again, only when you go to Settings/Bluetooth.

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Must I unpair one device from another in bluetooth?

My PC and 2 computers can detect bluetooth device. The device is already paired with one of my smartphone. The other smartphone cannot see my bluetooth device. Is this normal? So once a headphone is paired with a cellphone, I need to unpair that headphone before I can use it on other smart phone? What about if I no longer have access to the original smart phone (say I factory reset the phone). What would happen? I unpair one of my headset. Now it shows up on my other cellphone. I paired with one and now it’s not seen again. It’s as if paired headset is invisible. Update, I cannot pair my headset with one phone if it’s paired to another. If I unpair from a previous phone, I can pair it with another phone.

What device? Most manufacturers do not implement the full capabilities given in the answers below. Most headsets allow only one or two pairings, but placing the phone in pairing mode and pairing to a new device usually over-writes the previous ones. I know most Plantonics devices you can clear all previous pairings, but I have had my headset paired to dozens of different devices with no issues.

2 Answers 2

The other smartphone cannot see my bluetooth device. Is this normal?

A phone that isn’t already paired can only see the device while the device is discoverable. This is a special mode you put the device into (usually with a button or combination of buttons on the device). The manual for the device probably describes this as part of the pairing procedure. If you repeat this procedure, your new phone should be able to pair just fine.

So once a headphone is paired with a cellphone, I need to unpair that headphone before I can use it on other smart phone?

Not usually. The pairing process just allows the two devices to swap special data (encryption keys) to allow them to recognise each other in future. After pairing, both devices remember the key. It’s no different from saving the key for a Wi-Fi network in your phone, except it works both ways.

While phones can remember lots of pairings (and show you a list of paired devices), devices like headsets are a lot simpler, and can only remember a few. Exactly how many is different from headset to headset. Once it’s reached this limit, most likely pairing a new phone with the headset just makes it forget the first phone you paired. Unpairing just means forgetting the key: it’s something either side (the phone or the headset) can do without the co-operation of the other side.

What about if I no longer have access to the original smart phone (say I factory reset the phone). What would happen?

Nothing happens, just like if you lose or factory reset the phone after giving it the key to your Wi-Fi network. Your headset will still remember its half of the key, but that half won’t do anything any more. If you pair the headset with enough other phones, it’ll probably overwrite that key with a newer one eventually.

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Why won’t my Bluetooth device connect?: How to fix common Bluetooth connection issues

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• 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.
• Visit Business Insider’s homepage for more stories.

Bluetooth connectivity issues can range from mild annoyance — like when your earbuds won’t pair with your phone — to immensely inconvenient — like when your computer won’t pair with a printer, and you’re on a deadline.

Fortunately, Bluetooth issues are easy to fix.

Here’s what you need to know.

How to fix common Bluetooth connection issues

Let’s deal with the simplest issues first, then move on to more difficult fixes.

Make sure the devices are ready to be connected

Bluetooth devices aren’t always ready to connect. Most dedicated Bluetooth devices — speakers, headphones, and more — need to be put into pairing mode. You should check your device’s manual to see how to turn on pairing mode.

On a phone, tablet, or computer, just make sure that Bluetooth is turned on. You can do this by going into your device’s settings, opening the BLUBluetooth menu, and toggling it on. If you can’t find this menu, try searching for it using your device’s search feature.

Make sure the devices are in range

In general, Bluetooth devices need to be within at least 20 feet of each other to connect well. If you’re having issues, try bringing the devices closer together.

Make sure the devices aren’t already synced

Quite often when you can’t connect to one device via Bluetooth, it’s because your phone (or tablet) is already connected to another device. The device you’re trying to connect to might also be connected to another.

Because most Bluetooth devices can only connect to one other device at a time, you’ll have to disrupt any current connection before you can link up.

Reset the connection

If none of these approaches work, it’s time to break and then re-establish the Bluetooth connection.

Go to your phone, tablet, or computer’s Bluetooth section, and then find the troublesome device. Tap or right-click it and select «Forget this Device.»

Now place the device in pairing mode and reconnect.

Reset your devices

Turn all of your devices off, and then on again. Try connecting once more.

If it still isn’t working, we’ll need some harder resets.

Look up how to factory reset your Bluetooth device. You’ll likely have to press a button for a certain amount of time. Once you have, try connecting again.

If you find that the reset device can connect to everything but your phone, tablet, or computer, it means that they’ll need to be reset to. This can be done through your phone, tablet, or computer’s dedicated «Reset» menu — however, be aware that this will erase all your data.

Related coverage from How To Do Everything: Tech:

‘Why is my Android slow?’: 3 ways to troubleshoot your Android device if it’s not running efficiently

How to reset your network settings on an Android to fix connection issues and speed up your internet

How to connect your AirPods to a Chromebook in 6 simple steps

‘Do Chromebooks have Bluetooth?’: Most Chromebooks do — here’s how to connect your device in 4 simple steps

‘Why won’t my iPhone connect to Bluetooth?’: How to fix your Bluetooth connection in 6 ways

Steven John is a freelance writer living near New York City by way of 12 years in Los Angeles, four in Boston, and the first 18 near DC. When not writing or spending time with his wife and kids, he can occasionally be found climbing mountains. His writing is spread across the web, and his books can be found at www.stevenjohnbooks.com.

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