Fit verdict: The most common causes are dirty or misaligned charging contacts, a charging case that is low on power, or a bad cable or power source feeding the case. Start with the case battery, then reseat the earbud in the correct slot, then clean the contacts. Most of the time, the earbud itself is…

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If an earbud only charges when you press it down, the most likely cause is a weak physical connection between the earbud and the charging case contacts. Pressing it temporarily forces the metal pads or pins to touch. In plain language, that usually means dirt, lint, oxidation, or a slightly off-center fit, not an immediate…

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