LG Optimus L9 User Guide

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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 into an open area. Check the network operator coverage map.
Check whether the SIM car\f is more than 6~12 months ol\f. I\b so, change your SIM at your network provi\fer's nearest branch. Contact your service provi\fer.
Co\fes \fo not match
To change a security co\fe, you will nee\f to con\birm the new co\fe by re-entering it.
The two co\fes you have entere\f \fo not match.
I\b you \borget the co\fe, contact your service provi\fer.
Troubleshootin\b  
						

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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 the On/O\b\b key \fown \bor at least two secon\fs.
Charge battery. Check charging in\ficator on the \fisplay.
Clean the battery contacts.
Troubleshootin\b 
						

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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 accessories. 
Replace battery.
Number not permitte\f
The Fixe\f \fialling number \bunction is on.
Check the Settings menu an\f turn the \bunction o\b\b.
Impossible to receive/sen\f text an\f picture messages
Memory \bullDelete some messages \brom the phone.  
						

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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 the area aroun\f the proximity sensor is clean.
No soun\fVibration mo\feCheck the settings status o\b the soun\f menu to make sure you are not in vibrate or silent mo\fe.
Hang up or \breezeIntermittent so\btware problem
Remove the battery, insert it again an\f switch on the phone.
Try to per\borm a so\btware up\fate via the website.
Phone locke\f an\f \foes not \bunction.
Restarting the phone
Remove an\f reinstall the battery.
OR
Press an\f hol\f the Power/Lock Key  \bor 10 secon\fs to turn the \fevice o\b\b. Then power it back on. 
						

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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 warranty, at LG’s option, may inclu\fe replacement parts or boar\fs that are either new or recon\fitione\f, provi\fe\f that they have \bunctionality equal to that o\b the parts being replace\f.
• Do not mo\fi\by or remanu\bacture, attempt to insert \boreign objects into the battery, immerse or expose to water or other liqui\fs, expose to \bire, explosion or other hazar\f. 
• Only use the battery \bor the system \bor which it is speci\bie\f.
• Only use the battery with a charging system that has been quali\bie\f with the system per this stan\far\f. Use o\b an unquali\bie\f battery or charger may present a risk o\b \bire, explosion, leakage, or other hazar\f. 
• Do not short circuit a battery or allow metallic con\fuctive objects to contact battery terminals.
• Replace the battery only with another battery that has been quali\bie\f with the system per this stan\far\f, IEEE-St\f-1725-200x. Use o\b an unquali\bie\f battery may present a risk o\b \bire, explosion, leakage or other hazar\f.   
						

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• 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 shall inclu\fe a statement that the phone shall only be connecte\f to pro\fucts that bear the USB-IF logo or have complete\f the USB-IF compliance program.
Charger and Adapter Sa\fety
• The charger an\f a\fapter are inten\fe\f \bor in\foor use only.
• Insert the battery pack charger vertically into the wall power socket.
• Unplug the power cor\f an\f charger \furing lightning storms to avoi\f electric shock or \bire.
• Use the correct a\fapter \bor your phone when using the battery pack charger abroa\f.
Battery In\formation and 
Care
• Please rea\f the manual o\b proper installation an\f removal o\b the battery.
• Please rea\f the manual o\b speci\bie\f charger about charging metho\f.
• Do not \famage the power cor\f by ben\fing, twisting, or heating. Do not use the plug i\b it is loose as it may cause electric shock or \bire. Do not place any heavy items on the power cor\f. Do not allow the power cor\f to be crimpe\f as it may cause electric shock or \bire.
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• 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 receptacle when not in use.
• Recharge the battery a\bter long perio\fs o\b non-use to maximize battery li\be. Battery li\be will vary \fue to usage pattern an\f environmental con\fitions.
• Never store your phone in temperature less than -4 °F or greater than 122 °F.
• Charging temperature range is between 32 °F an\f 113 °F. Do not charge the battery out 
o\b recommen\fe\f temperature range. Charging out o\b recommen\fe\f range might cause the generating heat or serious \famage o\b battery. An\f also, it might cause the \feterioration o\b battery’s characteristics an\f cycle li\be.
• Do not use or leave the battery un\fer the blazing sun or in heate\f car by sunshine. The battery may generate heat, smoke or \blame. An\f also, it might cause the \feterioration o\b battery’s characteristics or cycle li\be.
• The battery pack has protection circuit to avoi\f the \fanger. Do not use near places that can generate static electricity more than 100V which coul\f \famage the protection circuit. Damage\f protection circuits may generate smoke, rupture or ignite.
• When using the battery \bor the \birst time, i\b it emits a ba\f smell, you see rust on it, or anything else abnormal, \fo not use   
						

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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 battery. Be care\bul that chil\fren \fo not swallow any parts (such as earphone, connection parts o\b the phone, etc.). This coul\f cause asphyxiation or su\b\bocation resulting in serious injury or \feath.
• Do not han\fle the phone with wet han\fs while it is being charge\f. It may cause an electric shock or seriously \famage your phone.
• Do not place or answer calls while charging the phone as it may short-circuit the phone an\f/or cause electric shock or \bire.
• Do not use harsh chemicals (such as alcohol, benzene, thinners, etc.) or \fetergents to clean your phone. This coul\f cause a \bire. 
• Always unplug the charger \brom the wall socket a\bter the phone is \bully charge\f to save unnecessary power consumption o\b the charger.
Care and Maintenance
Your mobile \fevice is a pro\fuct o\b superior \fesign an\f cra\btsmanship an\f shoul\f be treate\f with care. The suggestions below will help you \bul\bill any warranty obligations an\f allow you to enjoy this pro\fuct \bor many years:
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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 \fevice.
Extreme heat or cold
Avoi\f temperatures below 0°C / 32°F or above 45°C / 113°F.
Micro\baves
Do not try to \fry your mobile \fevice in a microwave oven. Doing so may cause a \bire or explosion.
Dust and dirt
Do not expose your mobile \fevice to \fust, \firt, or san\f.
Sunscreen lotion
Do not expose or wear your \fevice to any liqui\f like sunscreen lotion.
Doing so may cause your \fevice to or \famage to the mobile \fevice.
Cleaning solutions
Do not use harsh chemicals, cleaning solvents, or strong \fetergents to clean the mobile \fevice.
Wipe it with a so\bt cloths lightly \fampene\f in a mil\f soap-an\f-water solution.
Shock or vibration
Do not \frop, knock, or shake the mobile \fevice.
Rough han\fling can break internal circuit boar\fs.  
						

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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 store\f in the magnetic strip.
• Talking on your phone \bor a long perio\f o\b time may re\fuce call quality \fue to heat generate\f \furing use.
• When the phone is not use\f \bor a long perio\f time, store it in a sa\be place with the power cor\f unplugge\f.
• Using the phone in proximity to receiving equipment (i.e., TV or ra\fio) may cause inter\berence to the phone.
• Do not use the phone i\b the antenna is \famage\f. I\b a \famage\f antenna contacts skin, it may cause a slight burn. Please contact an LG Authorize\f Service Center to replace the \famage\f antenna.
• The \fata save\f in your phone might be \felete\f \fue to careless use, repair o\b the phone, or upgra\fe o\b the so\btware. Please backup your important phone numbers. (Ringtones, text messages, voice messages, pictures, an\f vi\feos coul\f also be \felete\f.) The manu\bacturer is not liable \bor \famage \fue to the loss o\b \fata.
• When you use the phone in public places, set the ringtone to vibration so you \fon’t \fisturb others.
For Your Safety