Lemfo LF17 (MTK6572) will not stay connected to bluetooth after rooting. - Other SmartWatches

Alright, so I rooted this watch successfully with the KingRoot apk, and everything seemed to be going fine... Then, I noticed when I try to connect it to my phone via Bluetooth, it connects, and then disconnects right away, and then keeps connecting and disconnecting over and over until I turn Bluetooth off. I never really connected it to Bluetooth more than a few times before rooting it, so I can't say that the Bluetooth signal was always strong, but I definitely don't remember it doing this.
Is there any remedy anyone knows for this, or do I just need to un-root my watch?

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I have the At&t Xperia Play, still completely stock, haven't had bootloader unlocked or installed any custom roms. Not sure if anyone else has been having these issues, I'm trying to figure out if my phone is defective or if the xperia plays have crappy bluetooth or maybe just the stock bluetooth is crap.
Anyways, I use my bluetooth to connect to the car stereo and stream music. The bluetooth on this phone never connects automatically. Sometimes it will connect for phone audio but not for media audio, I always have to go in and adjust it, or turn off bluetooth and turn it back on to get it to connect. Sometimes it just refuses to connect for anything until I turn bluetooth off and back on. My old Samsung Vibrant worked perfect, connected instantly no issues at all, even the Iphone 3gs had no issues and connected instantly. Another thing if/when the phone does connect, it takes awhile to connect, usually at least 30sec to a min before it connects.
Anyone have any suggestions or think the bluetooth radio on the phone may just be defective?

Bluetooth not automatically reconnecting

I have paired and connected my N6P to my Laptop over Bluetooth. Unfortunately whenever I go out of range or turn off my Bluetooth, my connection does not reconnect after getting back into range or after having turned back BT back on. This is very annoying as I have to delete the connection on both devices and repair and reconnect to get them to talk to each other. Does anybody know why this is happening?

Bluetooth issues since security update

Hello,
I have noticed that since the security update I am having issues with my bluetooth. It will not automatically reconnect to paired devices like my car and headphones. Sometimes it will connect but the option to transmit phone/media audio is unselectable. When this happens, it appears to be connected, but the music will come from the phone, not bluetooth connection. The only solution I have found is to reboot my phone. Is anyone else having trouble with this? Totally stock.
esabasard said:
Hello,
I have noticed that since the security update I am having issues with my bluetooth. It will not automatically reconnect to paired devices like my car and headphones. Sometimes it will connect but the option to transmit phone/media audio is unselectable. When this happens, it appears to be connected, but the music will come from the phone, not bluetooth connection. The only solution I have found is to reboot my phone. Is anyone else having trouble with this? Totally stock.
Click to expand...
Click to collapse
I have been having the exact same issue and the only fix has been a reboot.
Sent from my XT1575 using Tapatalk
You're not alone. Seems there is a workaround.
I'm experiencing the same issue with any BT audio device it won't stay connected to my Android Wear.
What version? I'm on 25.211.1 reflashed modem and Bluetooth package things are fine so far.

Bluetooth pairing issues

I'm having problems during the initial pairing of any BT device. The phone finds no BT devices at all. Turning BT off/on doesn't work. Toggling airplane mode fixes the issue for the time being and allows pairing. It's only slightly annoying since once the device is paired, it connects without a problem.
Is anyone else facing this issue? The update from this week didn't fix the issue. The phone is stock.
pkadavid said:
I'm having problems during the initial pairing of any BT device. The phone finds no BT devices at all. Turning BT off/on doesn't work. Toggling airplane mode fixes the issue for the time being and allows pairing. It's only slightly annoying since once the device is paired, it connects without a problem.
Is anyone else facing this issue? The update from this week didn't fix the issue. The phone is stock.
Click to expand...
Click to collapse
No issues at all. Pairs perfectly with galaxy 2 watch, car stereo, headset and home speaker system..
Sent from my ONEPLUS 6T using XDA-Developers Legacy app
I don't have the same issue, but I can't seem to be able to pair the device with my car. It connects to both of my Bluetooth headphones just fine. The car name shows up in my Bluetooth devices list under pairing mode, but when I click it, nothing happens. Let me know if anyone else is having a similar problem.
I'm having the exact same issue with two 6Ts, one from T-Mobile and the other directly from OnePlus. Both are up to date with regards to firmware.
Its almost like the Bluetooth stack is crashing sometime after booting or cycling airplane mode because it works for a little while and then stops.
Same issue here.
Doesn't see some devices.
Constantly re-asks if I will share my contacts with my car.
My pixel 2 didn't have these issues with the same devices, so I know it's just the op6t.
Had this issue. Glad there was a work around. What a pain in the neck.
Same having BT issues where it loses the pairing and I have to repair device.
BT Connection Drop
I am having the same problem of connectivity dropping and then getting reconnected all of a sudden. Can anyone tell me how to fix this for now? Also, any planned upgrades in future for the same?
People, I need help. I can't pair my oneplus 6t with any Bluetooth device. Whenever I try to pair it says: couldn't pair with XXX because of incorrect PIN or passkey. I tried every possible solution I found on the internet (reset Bluetooth, reset phone, reset network settings, wipe cache, etc) and no luck. All Bluetooth devices are functional and I am able to connect them to my Samsung phone, but no luck with oneplus 6t. I am running oxygenOs 9.0.13 and none of my Bluetooth devices has the pin code. Please help, this is really frustrating ?

BT connectivity issues

Hi guys,
I have a Galaxy S8 Plus running on Oreo rooted, although I have an issue witv Bluetooth and I don't know if it's hardware or software related.
Basically, whenever I turn on Bluetooth, I can't see my paired devices, for instance I have a Gear S3 watch and whenever I turn on BT my phone cannot detect it even though it's already paired, the only way for me to connect it is by launching the Gear app and clicking on connect, and each time it asks for the pairing permission. I do also have BT earphones and the only way I can connect them is by resetting my earphones that way they can be detected by my phone.
This is so weird, does anyone else experience this issue?
Any help is appreciated. Thank you.

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