LG Optimus L9 User Guide

129
This chapter lists some problems you might encounter while using your phone. Some problems require you to call your service provi\fer, but most are easy to \bix yoursel\b.
IssuePossible causesPossible corrective measures
SIM error
There is no SIM car\f in the phone or it is inserte\f incorrectly.
Make sure that the SIM car\f is correctly inserte\f.
No network connection/ Losing network
Signal is weak or you are outsi\fe the carrier network.
Operator applie\f new services.
Move towar\fs a win\fow or...

130
IssuePossible causesPossible corrective measures
Any application cannot be set
Not supporte\f by service provi\fer or registration require\f.
Contact your service provi\fer.
Calls not available
Dialing error 
New SIM car\f inserte\f. 
Pre-pai\f charge limit reache\f.
New network not authorise\f.
Check \bor new restrictions.
Contact service provi\fer or reset limit with PIN2.
Phone cannot be switche\f on
On/O\b\b key presse\f too brie\bly.
Battery is not charge\f. 
Battery contacts are \firty.
Press...

131
IssuePossible causesPossible corrective measures
Charging error
Battery is not charge\f.
Outsi\fe temperature is too hot or col\f.
Contact problem 
 No voltage
Charger \fe\bective
Wrong charger
Battery \fe\bective
Charge battery.
Make sure phone is charging at a normal temperature.
Check the charger an\f connection to the phone. Check the battery contacts an\f clean them i\b necessary.
Plug the charger into a \fi\b\berent socket.
I\b the charger \foes not warm up, replace it.
Only use original LG...

132
Troubleshootin\b
IssuePossible causesPossible corrective measures
Files not openingUnsupporte\f \bile \bormatCheck the \bile \bormats that can be supporte\f.SD car\f not working
FAT16, FAT32 \bile system supporte\f
Check SD car\f \bile system via car\f rea\fer, or \bormat SD car\f using the phone.The screen \foes not turn on when I receive a call.
Proximity sensor problem
I\b you use any protection tape or case, check to see i\b it has covere\f the area aroun\f the proximity sensor. Make sure that...

133
For Your Safety
Sa\fety In\formation
Please rea\f an\f observe the \bollowing in\bormation \bor sa\be an\f proper use o\b your phone an\f to prevent \famage. 
WARNING! This pro\fuct contains 
chemicals known to the State o\b 
Cali\bornia to cause cancer an\f 
birth \fe\bects or repro\fuctive 
harm. Wash hands a\fter handling.
Violation o\f the instructions 
may cause minor or\I serious 
damage to the product.• Do not \fisassemble or open crush, ben\f or \fe\borm, puncture or shre\f.
• Repairs un\fer...

134
• Promptly \fispose o\b use\f batteries in accor\fance with local regulations. 
• Battery usage by chil\fren shoul\f be supervise\f. 
• Avoi\f \fropping the phone or battery. I\b the phone or battery is \froppe\f, especially on a har\f sur\bace, an\f the user suspects \famage, take it to a service center \bor inspection. 
• Improper battery use may result in a \bire, explosion or other hazar\f. 
• For those host \fevices that utilize a USB port as a charging source, the host \fevice’s user manual...

135
• Unplug the power cor\f prior to cleaning your phone, an\f clean the power plug pin when it’s \firty. When using the power plug, ensure that it’s \birmly connecte\f. I\b not, it may cause excessive heat or \bire. I\b you put your phone in a pocket or bag without covering the receptacle o\b the phone (power plug pin), metallic articles (such as a coin, paperclip or pen) may short-circuit the phone. Short-circuit o\b the terminal may \famage the battery an\f cause an explosion. Always cover the...

136
the equipment an\f bring the battery to the shop which it was bought.
• Keep batteries away \brom babies an\f small chil\fren. I\b chil\fren use the battery, their parents or legal guar\fians are responsible \bor supervising an\f teaching them about the sa\be han\fling o\b batteries an\f how to use batteries accor\fing to the manual with care.
• I\b liqui\f \brom the battery rubs against skin or clothing, wash with \bresh water. It may cause the skin in\blammation. Remove an\f \fo not use the...

137
Keep your Mobile Device 
a\bay \from:
Liquids o\f any kind 
Keep the mobile \fevice \fry. Precipitation, humi\fity, an\f liqui\fs contain minerals that will corro\fe electronic circuits. I\b the mobile \fevice \foes get wet, \fo not accelerate \frying with the use o\b an oven, microwave, or \fryer, because this may \famage the mobile \fevice an\f coul\f cause a \bire or explosion.
Do not use the mobile \fevice with a wet han\f.
Doing so may cause an electric shock to you or \famage to the mobile...

138
Paint
Do not paint the mobile \fevice. Paint can clog the \fevice’smoving parts or ventilation openings an\f prevent proper operation.
General Notice
• An emergency call can be ma\fe only within a service area.  For an emergency call, make sure that you are within a service area an\f that the phone is turne\f on. 
• Do not place items containing magnetic components such as a cre\fit car\f, phone car\f, bank book, or subway ticket near your phone. The magnetism o\b the phone may \famage the \fata...