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A replacement charging case gets your orphaned earbuds working again. How to check compatibility, pair your old buds to the new case, and what to expect.
Before you start
1Confirm compatibility before opening anything
Match the model number printed inside the case lid or on the box against your buds' model (often engraved on the bud stem or printed in the original app). Same product name across generations is NOT enough.
2Charge the new case for 30 minutes
Plug it in until the case LED shows a steady charge state. Cases ship in deep-sleep; pairing attempts before a proper charge fail confusingly.
3Forget the buds on your phone
Bluetooth settings → your earbuds → Forget. The buds' old identity is tied to the lost case; a clean start avoids ghost-pairing conflicts.
4Seat your buds in the new case
Place both buds in, confirm their charging LEDs light, and leave them 2–3 minutes. This first charge session is when the case "adopts" the buds electrically.
5Run the standard reset-and-sync
Lid open, hold the case button 10–30 seconds until LEDs flash, close the lid 10 seconds, reopen. The buds and the new case are now a matched set.
6Pair with your phone and test
Select the earbuds in Bluetooth settings, then verify audio in both ears, mic on a call, and that closing the lid actually charges the buds (LEDs on).
Get the parts for this repair
Can my old earbuds work with a new charging case?
Yes. Earbuds are not permanently locked to one case — after the reset procedure in this guide, the buds and replacement case work as a matched set.
Does a replacement case affect warranty or the brand app?
The buds keep working with the brand app (firmware, EQ). Serial-number-based warranty checks follow whichever unit is being claimed — keep your Sparexo invoice for the case.
My buds charge in the new case but won't pair. What's wrong?
That is almost always a leftover pairing on the phone — forget the device everywhere it was paired (phone, laptop, tablet), then redo the reset. Multi-device ghosts are the classic culprit.
Stuck mid-repair? Email [email protected] with your order number — we help with every part we sell.