Guidelines; Authentication Guidelines - Nokia 1661 User Manual

Improper battery use may result in a fire, explosion,
or other hazard. If the device or battery is dropped,
especially on a hard surface, and you believe the
battery has been damaged, take it to a service center
for inspection before continuing to use it.
Use the battery only for its intended purpose. Never
use any charger or battery that is damaged. Keep
your battery out of the reach of small children.
Nokia battery authentication

guidelines

Always use original Nokia batteries for your safety.
To check that you are getting an original Nokia
battery, purchase it from a Nokia authorized service
center or dealer, and inspect the hologram label
using the following steps:
Successful completion of the steps is not a total
assurance of the authenticity of the battery. If you
have any reason to believe that your battery is not
an authentic, original Nokia battery, you should
refrain from using it, and take it to the nearest Nokia
authorized service center or dealer for assistance. If
authenticity cannot be verified, return the battery
to the place of purchase.
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