General precautions, Maintaining safe use of and access to your phone – Samsung A420 User Manual
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Section 4A: Important Safety Information
General Precautions
There are several simple guidelines to operating your phone properly and 
Speak directly into the mouthpiece. 
ⅷ
Avoid exposing your phone and accessories to rain or liquid spills. If 
your phone does get wet, immediately turn the power off and remove 
the battery. 
ⅷ
Although your phone is quite sturdy, it is a complex piece of 
equipment and can be broken. Avoid dropping, hitting, bending, or 
sitting on it.
ⅷ
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.
Maintaining Safe Use of and Access to 
Your Phone
Do Not Rely on Your Phone for Emergency Calls
Mobile phones operate using radio signals, which cannot guarantee 
connection in all conditions. Therefore you should never rely solely upon 
any mobile phone for essential communication (e.g., medical 
emergencies). Emergency calls may not be possible on all cellular networks 
or when certain network services and/or mobile phone features are in use. 
Check with your local service provider for details. 
Using Your Phone While Driving
Talking on your phone while driving (or operating the phone without a 
hands-free device) is prohibited in some jurisdictions. Laws vary as to 
specific restrictions. Remember that safety always comes first.
Note:
For the best care of your phone, only Sprint authorized 
personnel should service your phone and accessories. Failure 
to do so may be dangerous and void your warranty.
Tip:
Purchase an optional hands-free accessory at your local Sprint 
Store, or call the Sprint PCS Accessory Hotline® at 1-800-974-
2221 or by dialing #222 on your phone.