Audio Fix / setup help
Sony LinkBuds Fit: check earbuds that are not charging
Sony LinkBuds Fit — Separate correct case seating from the case USB charging supply.
Manufacturer-documented Reviewed 2026-11-09 · Revision 1
Follow these checks in Audio Fix →When this guide applies
Exact LinkBuds Fit / WF-LS910N. No reset or pairing deletion. Stop for liquid, damage or abnormal heat instead of trying another charge.
Connection scope: Bluetooth. Symptom: My device or case won’t charge.
This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.
If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.
Checks and possible outcomes
Start at dry. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.
dry
Are the buds, case and charging connection dry and undamaged?
Do not charge through moisture, a warning or abnormal heat.
Look for: Choose only what you can confirm.
- If Yes, confirmed → Seat both units in the correct charging slots
- If No → Continue with model-specific support
- If I do not know / cannot check → Confirm the missing detail first
- Manufacturer-documented LinkBuds Fit / WF-LS910N Help Guide ↗Charging; fitting supporter must be seated before closing case — Correct left/right case seating starts earbud charging. The case USB supply charges buds and case; orange indicates charging and goes out at completion.Exact LinkBuds Fit / WF-LS910N. No reset or pairing deletion. USB charging only; do not infer a wireless-charging capability or use another model’s indicator timing. · Source checked 2026-11-09
seat
Seat both units in the correct charging slots
Place left and right units in their matching case slots, without forcing the lid. Close it after both are seated.
Look for: Complete this one check, then report the observation.
- If I completed this step → Connect the case charging supply
- If I cannot follow this step → Continue with model-specific support
- If I do not know / cannot check → Confirm the missing detail first
- Manufacturer-documented LinkBuds Fit / WF-LS910N Help Guide ↗Charging; fitting supporter must be seated before closing case — Correct left/right case seating starts earbud charging. The case USB supply charges buds and case; orange indicates charging and goes out at completion.Exact LinkBuds Fit / WF-LS910N. No reset or pairing deletion. USB charging only; do not infer a wireless-charging capability or use another model’s indicator timing. · Source checked 2026-11-09
connect
Connect the case charging supply
Use the supplied USB-C cable and a suitable USB AC adaptor.
Look for: Complete this one check, then report the observation.
- If I completed this step → Does the case show normal orange charging, then completion?
- If I cannot follow this step → Continue with model-specific support
- If I do not know / cannot check → Confirm the missing detail first
- Manufacturer-documented LinkBuds Fit / WF-LS910N Help Guide ↗Charging; fitting supporter must be seated before closing case — Correct left/right case seating starts earbud charging. The case USB supply charges buds and case; orange indicates charging and goes out at completion.Exact LinkBuds Fit / WF-LS910N. No reset or pairing deletion. USB charging only; do not infer a wireless-charging capability or use another model’s indicator timing. · Source checked 2026-11-09
indicator
Does the case show normal orange charging, then completion?
Watch the actual indication; disconnect the USB cable when charging completes. Abnormal flashing or no normal completion needs support.
Look for: Choose only what you can confirm.
- If Yes, confirmed → Checks completed — record your result
- If No → Continue with model-specific support
- If I do not know / cannot check → Confirm the missing detail first
- Manufacturer-documented LinkBuds Fit / WF-LS910N Help Guide ↗Charging; fitting supporter must be seated before closing case — Correct left/right case seating starts earbud charging. The case USB supply charges buds and case; orange indicates charging and goes out at completion.Exact LinkBuds Fit / WF-LS910N. No reset or pairing deletion. USB charging only; do not infer a wireless-charging capability or use another model’s indicator timing. · Source checked 2026-11-09
Possible result
Checks completed — record your result
Completing these checks is not a claim that your problem is solved. Record what you observed. No Audio Review physical test is claimed.
steps completed
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Confirm the missing detail first
Use the linked instructions for your exact equipment. Do not guess a menu, version, accessory or observation.
insufficient data
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Continue with model-specific support
These checks do not identify a cause or a failed component. Tell the manufacturer your exact equipment, software and last observation. Do not repeatedly reset equipment or buy a replacement based on this result.
next support
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.