What do the three icons on the back of Nokia mobile phone battery mean? One of them is a dustbin, the other is the number 5, and there is a circle outside.

1 it's forbidden to throw away the trash can with a cross, and this can be recycled.

2 5 is valid for 5 years.

3 the square is the QR code. You can automatically identify and surf the Internet by taking photos and scanning with the camera of your mobile phone (you need to download the next QR code identification software, which is available in Monternet. ) Go to the online website to verify the authenticity of the battery.

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