I recommend you also to change the battery at the time. I’ve done it some time ago and found a suitable replacement battery. You find a thread here in the forums (Changing the battery on the Jolla Tablet) which guides you how to open the Jolla tablet and there should be a way to change the mirco-USB charging board. Please check also the old forum: Jolla tablet - battery replacement [closed] - together.jolla.com.
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