A800F bluetooth problems after rooting on 6.0.1 - Galaxy A3, A5, A7, A8, A9 Q&A, Help & Troubleshoot

My A800F bluetooth worked just fine (can pair, send and receive files) when it was on stock 5.1.1 and rooted with cf-root. When I first updated to 6.0.1 and rooted with cf-root, the bluetooth started to get buggy. I could turn it on but had difficulties in pairing -- the prompt for pairing key always disappeared just in few seconds, so I had to hurriedly pressed the OK button. I could pair, but then I couldn't send anything with bluetooth because the bluetooth selection (where you choose which devices to send files to) window didn't appear.
I tried rooting with another method, which was flashing the supersu zip through TWRP on a newly flashed clean stock 6.0.1 but the problem still exists until now. I googled for answers but didn't find the same exact problem as I'm having. Can anyone help?
PS : the bluetooth works fine when I unrooted, but well, I want to root my A8...

Related

Bluetooth doesnt work

Just upgraded to the B136 Rom and since then my bluetooth doesnt work. it comes on, others can find it. when i pair with someone it says paired but not connected,when sending/receiving there is no request on either phone and after a while it says sending failed. Please help.
Hey Guys!
I have the same problem, but have never istalled a new fw.
Is there anyone, who could help me, pls?
To fix that just long press the device and select unpair. Now it will show as fresh device and try to pair/connect again. To get around that, sometimes you have to reboot the phone... I found that B160 has no problems with bluetooth.
Had the same problem with the stock rom and am still having it with b160

[Q] Wifi and BT ko after kies update

Hi all,
first of all I apologize for my English (I'm Italian).
The last week i have update my GT-I9505 through the Kies.
After update Wifi and Bt do not have more work, I state that the phone did not root or custom rom.
When I try to turn on Wifi or Bt, the icon lights up for a few seconds and then go off, without giving me a chance to connect.
I tried to redo the update, I tried to install an older version, but with the new protection system is impossible.
At the end I even tried to root, install recovery and custom rom, but I did not get positive results.
Now I have installed the latest firmware 4.3 taken from SamMobile, but BT and Wifi not working yet
Do you have any advice to solve the problem?
Thank you all.

No sound at all after flashing with odin (4.4.4 to 5.0.2).

Hi, i have a G530H, (HXXU)
Had this issue come up regarding wifi being getting to Saved, Secured (even with wrong passwored) but not working i.e going further and showing connected.
I flashed the official Lollipop from sammobile.
During the first flash upgrade from KK to Lollipop, flashing (odin) failed at Hidden.img and phone got stuck at that samsung error saying i need recover via kies, so i extracted the big md5 file and flashed hidden.img seperatly an dit worked phone started working.
Now still have wifi problem along with no sound at all from speaker and handsfree too. I tried going back to 4.4.4 successfully but that dint work either.
Any suggestions?
Yes,me too.?
Same for me, but for different form to get this bug, all sound not working(speaker and microphone) after random reboot of my device, using a custom rom, after turn on again, all sounds is broken and i ca'nt fix this with re-flash of stock or any custom roms, always no sound in my device, other bug after this, is wifi, wifi works in first boot of re-flashed rom after turn off or reboot device wifi won't turn on and needed to reflash rom again, to use wifi i can't turn off device, other bug is to reboot or turn off function, my device stuck to reboot or turn off, is need to remove battery and put again to reboot device, other bug is in my SIMS, all sims not work not have a signal and not detected. my grand prime G530h is very very bugged, and i can't fix this, searching for solution.
I have the same issue (no sound after flashing stock rom). Is there any solution please?

Help Plz.......Bluetooth not pairing!!

I am having an a chronic bluetooth issue, which i failed to resolve. A help in this matter will be deeply appreciated.
The issue started after the February security update (at least thats what i observed). I was trying to pair my device to an external speaker (Beats Pill) and i had a hard time doing so; and i deleted previously paired devices (mainly my car bluetooth). The attempt was not successful. Then, i tried to pair the device to my car again, and i only see a code (instead of the car name) in the bluetooth search. When trying to connect, i got the message (Can't communicate with XXX device).
After multiple failed attempt, i decide to dive into Unlocking, rooting, and trying different ROMs hoping it would solve the problem. I literally flashed all available ROMs for the device with no use. I suspected it was a hardware issue, but my phone can connect to my Moto 360 with no problems.
I am puzzled with this issue to the extent of considering changing the phone. I use car bluetooth extensively as i spent much time commuting to work. If someone can help with the issue i would be gratefully. From reading around the forum, i think the system app "Bluetooth Share" is responsible for such function; could it be possible that i need a modified version of it, or maybe flash a radio of some sort??
Have you tried a factory reset or a custom ROM? BT pair works fine on my 1575. I highly recommend the TrueMM ROM.
Before unlocking the bootloader and flashing different ROMs, i did a factory reset with no use. Currently, i am running TrueMM ROM, great ROM....but still no bluetooth connection.
Have you tried the latest CM13. Thought I saw something about a Bluetooth fix in the thread there.
MdSaif said:
I am having an a chronic bluetooth issue, which i failed to resolve. A help in this matter will be deeply appreciated.
The issue started after the February security update (at least thats what i observed). I was trying to pair my device to an external speaker (Beats Pill) and i had a hard time doing so; and i deleted previously paired devices (mainly my car bluetooth). The attempt was not successful. Then, i tried to pair the device to my car again, and i only see a code (instead of the car name) in the bluetooth search. When trying to connect, i got the message (Can't communicate with XXX device).
After multiple failed attempt, i decide to dive into Unlocking, rooting, and trying different ROMs hoping it would solve the problem. I literally flashed all available ROMs for the device with no use. I suspected it was a hardware issue, but my phone can connect to my Moto 360 with no problems.
I am puzzled with this issue to the extent of considering changing the phone. I use car bluetooth extensively as i spent much time commuting to work. If someone can help with the issue i would be gratefully. From reading around the forum, i think the system app "Bluetooth Share" is responsible for such function; could it be possible that i need a modified version of it, or maybe flash a radio of some sort??
Click to expand...
Click to collapse
I'm assuming it's an XT1575? Download the appropriate firmware file from HERE. The firmware number that matches "settings> about phone> build number". Extract the BTFM.bin file and the flash it via fastboot:
Code:
fastboot flash bluetooth BTFM.bin
Then reboot. That is the only idea I have, reflash the bluetooth firmware/drivers.

Rom Access or advice for TAB S4

My device was fine before Rooting importantly the Bluetooth stack was was also fine. However, after rooting all BT Pairings are lost across reboots etc. Just turning BT off then on again causes the issue making it necessary to delete and re-pair every time the device starts. over the last week i've ran various tests, and concluded the issue lies with either the hardware or the stock image i got from Sammobile.com. Being a noob, during my experimentation i have had to flashback to the stock image on several occasions. Only discovering the Bluetooth issue when putting my work to good use and using the device.
Yesterday i tested the theory. Flashed it to stock, booted to OS and skipped all the config disabled WI-FI and DATA so it couldn't pull updates. Tested Bluetooth and the issue is present. The Bluetooth did work correctly before i started rooting it. This is unlikely a hardware issue so can only assume its an issue in the build i have from Sammobile. If any of you have access to a stock pre-installed rom that works that they could give me access to, so i can do some testing or indeed any advice it would be very much appreciated.
Device = Samsung Galaxy Tab S4 (SM-T835 on EE)
PDA = T835XXU2ARJ3
CSC = T835OXM2ARJ3
Many thanks
Colin

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