T-Mobile Concord II User Manual page 144

j) Avoid dropping the phone or battery. If the phone or battery is dropped, especially
on a hard surface, and the user suspects damage, take it to a service center for
inspection.
k) Improper battery use may result in a fire, explosion or other hazard.
For those host devices that utilize a USB port as a charging source, the host device's
user manual shall include a statement that the phone shall only be connected to
CTIA certified adapters, products that bear the USB-IF logo or products that have
completed the USB-IF compliance program.
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