How to change the Redmi 9 battery.
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It is inevitable that the durability of your battery will worsen over time; It may take longer or shorter, but it will happen. It may already be happening, and you may not have realized it yet. Normally after two, even three years the battery of your Redmi 9 loses its characteristics. Even without talking about performance losses, changing the battery will allow you to recover 100% capacity.
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