Check whether the accessory is already connected to another phone or computer. Put it back into pairing mode, keep it near the device and try again. Remove an old pairing before reconnecting. A working second accessory helps separate a device problem from an accessory fault.
Differential
Likely causes of “Samsung Galaxy S Bluetooth will not pair or keeps disconnecting”, and how to tell them apart
- 1
A pairing made before the update
What separates it Headphones will not reconnect
How to confirm Forget the device and pair it as new
- 2
Stale Bluetooth app data
What separates it Cutting in and out
How to confirm Clear the Bluetooth cache from the system apps and restart
- 3
An app interfering
What separates it Bluetooth is stable in Safe mode
How to confirm Remove recent apps one at a time
- 4
Distance or a metal case
What separates it Music breaks up at range
How to confirm Stay near with a clear line and remove the case to test
- 5
Accessory firmware
What separates it Dropouts with one brand
How to confirm Update the accessory through its app
Before you touch a setting
Record this first — changing settings destroys the evidence
- The accessory and its firmware
- Whether Safe mode is stable
- Whether dropouts depend on distance
- The One UI version
Try in this order
0 of 9 completedForget and pair as new
ReversibleSettings, Connections, Bluetooth, tap the gear beside the device, Unpair, then pair again.
Clear the Bluetooth cache
ReversibleSettings, Apps, Show system apps, Bluetooth, Storage, Clear cache, then restart.
Reset app preferences
ReversibleSettings, Apps, three-dot menu, Reset app preferences.
Test in Safe mode
ReversibleTo see whether an app interferes.
Update the accessory
ReversibleWith its own app.
Install the newest patch
ReversibleSettings, Software update.
Turn off Dual Audio for a test
ReversibleSettings, Connections, Bluetooth, three-dot menu, Advanced, and switch Dual Audio off.
Check the Bluetooth codec
ReversibleIn Developer options, Bluetooth audio codec, choose SBC temporarily to compare stability.
Remove old devices from the paired list
ReversibleForget any devices you no longer use.
Model-specific
What is true of this model and not of its siblings
- Samsung Galaxy S26+ will not pair or stay connected over Bluetooth
- Bluetooth trouble on the Galaxy S26+ is one of the loudest themes in the One UI 8.5 threads: headphones that cut in and out when streaming, accessories that will not reconnect, and a Bluetooth microphone that stops working in calls. The phone supports modern Bluetooth, so the radio is not the weak link, and owners say that it began with the update. The fixes they report, in order: forget the device and pair it as new; clear the Bluetooth app's cache from the system app list and restart; reset app preferences; and test in Safe mode to see whether a third-party app interferes. If music cuts out only at a distance, the phone's transmit power and the accessory's range are the cause, so stay within a few meters of a clear line of sight. A phone case with metal or a magnet can weaken the signal. Update the accessory's firmware, because makers release fixes for new Samsung software. Software updates from Samsung also address the faults, so check often. Samsung phones can keep two Bluetooth audio devices active at once with Dual Audio, which owners say conflicts with a headset when a call arrives, so switch it off in Bluetooth, Advanced, to see whether calls improve. The newest codecs also depend on the accessory, so a headset that supports an advanced codec may need it switched off for stability.
- A recent theme
- Bluetooth is one of the main complaints after One UI 8.5.
- Clear the cache
- Owners found it helped.
- Dual Audio
- It sends sound to two devices at once and can conflict with calls.
- Codecs
- A simple codec is steadier on a weak link.
Stop boundary
When this stops being a self-service repair
- !If Bluetooth fails in Safe mode with several accessories, contact Samsung
- !If one brand fails, contact its maker
- !Report the One UI version with the fault
Evidence ledger
Sources behind this answer
Another S26 thread on freezing, restarts and Bluetooth.
Owners whose Bluetooth microphone failed in calls after One UI 8.5.
A list of One UI 8.5 faults and the fixes that owners report.
Exact questions
Common questions
Why do my headphones cut out on the S26+?+
Owners report it after One UI 8.5.
Does the case matter?+
A metal case can weaken Bluetooth.
Should I reset network settings?+
Only as a last step.
Will an update fix it?+
Samsung patches address it.
Should I turn off Dual Audio?+
As a test, if calls break up.
What is a codec?+
The way audio is compressed over Bluetooth.
bluetooth: model differences
Also covered: Samsung Galaxy S20 Ultra family.