Samsung SCH-N150 Series User Manual page 133

Any changes or modifications to your phone not expressly approved in this
document could void your warranty for this equipment and void your authority
to operate this equipment.
Only use approved batteries, antennas, and chargers. The use of any
unauthorized accessories may be dangerous and will invalidate the phone
warranty if said accessories cause damage or a defect to the phone.
Although your phone is quite sturdy, it is a complex piece of hardware and can
be broken. Use common-sense guidelines to avoid dropping, hitting, bending,
or sitting on it.
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