My first thought on hearing that it works only plugged in is the battery needs replacing. Mini is a pretty old device and the batteries don't usually last that long.
The mini is very easy to replace batteries - it has screws. The back cover was designed to be replaceable.
I have a mini that is still going good but I don't use it much and I leave it powered off with 40-50% charge. That is the best for battery life.
Last edited by Rockin; 11-06-2020 at 08:40 AM.
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