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... akes these phones different.
That's the battery!
Samsung uses lithium batteries from its own company, Samsung Chemical.
To keep its phones slimmer and more visually competitive than Nokia's, Samsung's battery isn't huge, at 748mAh in total.
To solve this problem, Samsung uses a removable battery, and the original phone package comes with two batteries.
The user can replace the battery when it is out of power.
But then again, whether it's Nokia or Ericsso ...
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