Yes, you will need soldering. Replacing the battery in the LinkBuds S typically involves delicate steps that may require soldering. The process usually includes:
* Opening the earbud case, which is often sealed with adhesive.
* Removing the old battery, which may be soldered to the mainboard.
* Soldering the new battery to the mainboard, if the battery is not equipped with a connector.
* Re-sealing the earbud case after the replacement.