Nokia 1506 User Manual page 58

Nokia battery, you should refrain from using it, and take it
to the nearest authorised Nokia service point or dealer for
assistance. Your authorised Nokia service point or dealer
will inspect the battery for authenticity. If authenticity
cannot be verified, return the battery to the place of
purchase.
Authenticate hologram
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1. When you look at the
hologram on the label, you
should see the Nokia
connecting hands symbol
from one angle and the Nokia
Original Enhancements logo
when looking from another
angle.
2. When you angle the
hologram left, right, down and
up, you should see 1, 2, 3 and
4 dots on each side
respectively.