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Thread: Bluetooth transfer of files between computer and Samsung Galaxy A4

  1. #1

    Default Bluetooth transfer of files between computer and Samsung Galaxy A4

    Hi All,

    I am trying to establish Bluetooth transfer of files between my Dell laptop and Samsung Galaxy A4 Android phone. I have the gnome desktop and seem to be having all the Bluetooth apps loaded on my computer such as bluez, gnome-bluetooth, mtp-tools and mtpfs etc. The phone also has bluetooth and it shows the computer hostname 'home' (dell-linux.home) as one of the 'Paired Devices' (I do not know this term).
    However, bluetooth in my computer does not seem to be working. In the 'settings' when I click the bluetooth icon, it says 'no bluetooth found. Plug in dongle to use bluetooth'.

    Similarly, I am clueless of transfer with wifi.

    Request help on both these counts.

    Regards,

    RSP2

  2. #2
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    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Sure the laptop has bluetooth? Post output of
    Code:
    lsusb -v
    , between CODE tags, the # in the editor layout ribbon
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  3. #3

    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Hi Knurpht,

    Thanks for your reply.
    'lsusb -v' gives a huge output. I am just showing the output of 'lsusb', below:
    Code:
    rsp@dell-linux:~> lsusb
    Bus 001 Device 008: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
    Bus 001 Device 009: ID 0cf3:0036 Atheros Communications, Inc. 
    Bus 001 Device 002: ID 8087:8000 Intel Corp. 
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 002 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Can you find the problem?
    What is to be done to get Bluetooth on?

    Regards,

    RSP2

  4. #4
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    Default AW: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Does as User show something:
    Code:
    hciconfig --all
    or as root:
    Code:
    journalctl -b | grep -i firm
    And please post it, not saying:
    'lsusb -v' gives a huge output. I am just showing the output of 'lsusb', below:

  5. #5
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    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Quote Originally Posted by rsp2 View Post
    Hi Knurpht,

    Thanks for your reply.
    'lsusb -v' gives a huge output.
    When such output is requested, please copy/paste unabridged as it may provide detail required to help clarify/diagnose a given situation. If the output is lengthy you can always upload it to https://paste.opensuse.org/ and then post a reply with a link to the content here.
    Last edited by deano_ferrari; 29-Mar-2018 at 21:17.

  6. #6

    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Hi Deano_ferrari,

    Please see the output at :
    https://paste.opensuse.org/60097317

    Thanks & Regards,

    RSP2

  7. #7
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    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    So, the output shows that the top entry in lsusb output is a bluetooth device.
    Install rfkill in your preferred way, then do:
    Code:
    su -c 'rfkill list'
    to see if the devices is blocked somehow.

    But ...... Why not install KDEconnect on both computer and phone and pair them? That will give you a lot more than just file transfer. Needs the devices to be on the same network though.
    ° Appreciate my reply? Click the star and let me know why.

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  8. #8
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    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Recommend

    You look up the User Manual for your Dell laptop.
    Laptops can have both hardware and software switches to enable/disable Bluetooth, and you need to know how to enable/disable BT on your specific laptop model. Also, typically laptops have a light that turns on when either WiFi or BT is paired and has an active connection with another device (not always, but usually). If you notice any unusual lights (possibly blue in color) turned on your laptop, that will be supporting evidence you're working.

    Only after you've verified that the hardware switch is on should you <then> look for software switches like rfkill.

    As for "What is pairing?"
    You'll probably find many descriptions on the Internet.
    It's a procedure that sets up a connection between BT devices.
    Without Pairing, you might walk into a coffee shop and everyone would be automatically connected to everyone else with no privacy. Pairing ensures that only authorized devices are talking to each other, even if all are sharing the same space (both frequency and physically).

    When your device (Samsung) says it's paired with your laptop, it means only that a connection has been set up in the past that can be re-activated, it's not necessarily saying that the connection is actively working.

    HTH,
    TSU
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  9. #9

    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Hi Knurpht,

    Installed 'rfkill'. Output of 'sudo -c rfkill list' is below:
    Code:
    rsp@dell-linux:~> sudo -c rfkill list
    usage: sudo -h | -K | -k | -V
    usage: sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]
    usage: sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user] [command]
    usage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p prompt] [-T timeout] [-u user]
                [VAR=value] [-i|-s] [<command>]
    usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p prompt] [-T timeout] [-u user] file ...
    Further help needed.

    Regards RSP2

  10. #10
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    Default Re: Bluetooth transfer of files between computer and Samsung Galaxy A4

    Do this
    Code:
    rfkill list
    Admin permissions are only required for blocking/unblocking eg
    Code:
    sudo rfkill unblock wifi

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