arbitrary disconnection of Bluetooth devices from the phone

Model: ZS620KL
RAM: 8G
Firmware/APP Version: WW_user_100.04.44.98_20191115
Frequency of Occurrence: often
Rooted: No
APP Name: Bluetooth

After updating to android 10, all my devices that are connected to Zenfone 5Z via Bluetooth (2 different pairs of headphones, a fitness tracker) are randomly disconnected from the phone. When you try to reconnect, it is constantly connected, but the devices do not connect to the phone. when you turn Bluetooth off and on, my devices connect and instantly disconnect from the phone. The problem starts with intermittent sound reproduction on the headphones, if they are connected. after which all Bluetooth devices are disconnected from the phone. charging devices or the phone itself does not affect this problem in any way, just like my location or the time when the devices are connected

Comments

  • Same here. I have a wrist watch and a car audio system both with bluetooth problems after upgrade.

    The wrist watch keeps disconnecting and I have to redo pairing every day: same problem on the car audio system, plus when I receive a call I cannot hear anything, the caller instead hears my voice: this is very annoying.
  • Hi bambolbi222,

    Do you mean the Bluetooth devices often disconnects and cannot stay connected with the phone?
    Please try resetting your network settings: Settings > System > Reset options > Reset Wi-Fi, mobile & Bluetooth
    Please try clearing the previous connected Bluetooth devices and try connecting them again.
    If the problem still appears, could you tell us the brand and model of your Bluetooth devices that have this problem?

    Thank you :)
  • gtrev posted on 2019/12/30 15:59
    Same here. I have a wrist watch and a car audio system both with bluetooth problems after upgrade.

    ...

    Hi gtrev,

    Please tell us the brand and model of your Bluetooth device. Please tell us the brand, model and, year of your car.
    When/How often does the Bluetooth disconnect?

    Do you mean when you take calls there is no voice?
    Could you tell me your carrier name?
    Does this only happen when using Bluetooth?

    Thank you :)
  • Hi Jei_ASUS,

    my bluetooth device is a Sochange ID115PLUS HR (I control it with Veryfit PRO app), and in my car I have a Pioneer FH-X720BT (https://www.pioneer-car.eu/it/en/products/fh-x720bt/support).

    I tried resetting network settings as you suggested and so far wrist watch is working fine. I will try also bluetooth on my car and will post updates.

    Thanks
  • KichaKicha Level 1
    Jei_ASUS posted on 2019/12/31 09:12
    Hi bambolbi222,

    Do you mean the Bluetooth devices often disconnects and cannot stay connected with ...

    Reset network settings, delete devices, but the problem is relevant .Xiaomi mi band 4, Sony WH-CH500, Sony SRS-XB10, QCY T1 Pro.
  • KichaKicha Level 1
    Jei_ASUS posted on 2019/12/31 09:12
    Hi bambolbi222,

    Do you mean the Bluetooth devices often disconnects and cannot stay connected with ...

    Reset network settings, delete devices, but the problem is relevant. Xiaomi Mi Band 4, Sony WH-CH500, Sony SRS-XB10, QCY T1 Pro.
  • Last edited by gtrev on 2020/1/6 11:15
    gtrev posted on 2019/12/31 14:13
    Hi Jei_ASUS,

    my bluetooth device is a Sochange ID115PLUS HR (I control it with Veryfit PRO app), an ...

    I did some testing last days and can confirm that bluetooth calls on my car work only when i make the call, when i receive the call i don't hear caller voice but he hears mine. I did resetting and repairing but nothing changed. My carrier Is Telecom Italia and this happens only with bluetooth calls, normal calls with phone are ok.
  • Hi bambolbi222,

    Could you help us describe the problem more clearly?
    "When you try to reconnect, it is constantly connected, but the devices do not connect to the phone. "
    >> Could you tell us the steps and when the problem appears?
    When does the Bluetooth device disconnects?
    Were you listening to music or on a call when this problem appears?

    Thank you :)
  • gtrev posted on 2020/1/6 05:22
    I did some testing last days and can confirm that bluetooth calls on my car work only when i make ...

    Hi gtrev,

    Is your firmware version WW-100.04.44.98?
    (Settings > System > About Phone > Software information)

    Are these calls done with the phone app?
    Have you tested other phones with your car Bluetooth device?
    Does this appear every time you make a call?

    Thank you :)
  • Jei_ASUS posted on 2020/1/8 07:41
    Hi gtrev,

    Is your firmware version WW-100.04.44.98?

    Hi Jei_ASUS,

    yes, my firmware version is WW-100.04.44.98, calls are done through the phone app. My previous phone (Motorola G3) worked correctly with my car bluetooth device, and yes this happens every time I RECEIVE a call.

    Thanks in advance
  • gtrev posted on 2020/1/8 18:02
    Hi Jei_ASUS,

    yes, my firmware version is WW-100.04.44.98, calls are done through the phone app. M ...

    Hi gtrev,

    Please check your PM for a message I have sent you.
    Thank you :)
  • KichaKicha Level 1
    Jei_ASUS posted on 2020/1/8 09:29
    Hi bambolbi222,

    Could you help us describe the problem more clearly?

    sorry english is not my native language.
    Steps:
    1)turn on bluetooth and start using the phone
    2)after some time, the sound in the headphones begins to interrupt moments
    3)all Bluetooth devices randomly shut down
    4)manually through the settings I connect devices
    5)devices are instantly disconnected from the phone

    tried to turn off bluetooth tried to restart devices that connected. Bluetooth devices turn off randomly.

    The problem appears when I watch a video through some application or browser or listen to music. there may be a problem with overheating of the Bluetooth module, as after updating to Android 10, the phone began to get hotter and land the battery faster
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