LG G4 User Guide

80About this user guide
About this user guide
• Before using your device, please carefully read this guide. This ensures that you 
use your phone safely and correctly.
• Some of the images and screenshots provided in this guide may appear differently 
on your phone.
• Your content may differ from the final product or from software supplied by service 
providers or carriers. This content is subject to change without prior notice. For the 
latest version of this guide, please visit the LG website at...

81About this user guide
Trademarks
• LG and the LG logo are registered trademarks of LG Electronics.
• Bluetooth® is a registered trademark of Bluetooth SIG, Inc. worldwide.
• Wi-Fi® and the Wi-Fi logo are registered trademarks of the Wi-Fi Alliance.
• All other trademarks and copyrights are the property of their respective owners.
DivX HD
This DivX Certified® device has passed rigorous testing to ensure it plays DivX® video.
To play purchased DivX movies, first register your device at vod.divx.com. Find...

82Troubleshooting
Troubleshooting
This chapter lists some problems you might encounter when using your phone. Some 
problems require you to call your service provider, but most are easy to fix yourself.
Message Possible causes Possible corrective measures
SIM or 
USIM card 
errorThere is no SIM 
or USIM card 
in the phone 
or it is inserted 
incorrectly.Make sure that the SIM card is 
correctly inserted.
No network 
connection/ 
Dropped 
network
Signal is weak or 
you are outside the 
carrier...

83Troubleshooting
Message Possible causes Possible corrective measures
No 
applications 
can be setNot supported by 
service provider 
or registration 
required.Contact your service provider.
Calls not 
availableDialing error  New network not authorized.
New SIM or USIM 
card inserted.Check for new restrictions.
Pre-paid charge 
limit reached.Contact service provider or reset limit 
with PIN2.
Phone 
cannot be 
turned onOn/Off key 
pressed too briefly.Press the On/Off key for at least two 
seconds....

84Troubleshooting
Message Possible causes Possible corrective measures
Charging 
errorBattery is not 
charged.Charge battery.
Outside 
temperature is too 
hot or cold.Make sure phone is charging at a 
normal temperature.
Contact problemCheck the charger and its connection 
to the phone.
No voltage Plug the charger into a different outlet.
Charger defective Replace the charger.
Wrong charger Use only original LG accessories.
Number not 
allowed.The Fixed dialing 
number function 
is on.Check the Settings...

85Troubleshooting
Message Possible causes Possible corrective measures
The screen 
does not 
turn on 
when I 
receive a 
call.Proximity sensor 
problemIf you use a protection tape or case, 
make sure it has not covered the area 
around the proximity sensor. Make 
sure that the area around the proximity 
sensor is clean.
No sound Vibration modeCheck the settings status in the sound 
menu to make sure you are not in 
vibration or silent mode.
Hangs up 
or freezesIntermittent 
software problemTry to perform...

86FA Q
Category Question Answer
Bluetooth
DevicesWhat functions 
are available via 
Bluetooth?You can connect a Bluetooth audio 
device, such as a Stereo/Mono 
headset or car kit.
Contacts
BackupHow can I back up 
Contacts?Contacts data can be synchronized 
between your phone and Gmail™.
SynchronizationIs it possible to set up 
one-way sync with 
Gmail?Only two-way synchronization is 
available.
SynchronizationIs it possible to 
synchronize all email 
folders?The Inbox is automatically 
synchronized. You...

87FA Q
Category Question Answer
Message 
TimeMy phone does not 
display the time of 
receipt for messages 
older than 24 hrs. How 
can I change this?Open the conversation and touch and 
hold the desired message to see the 
details.
NavigationIs it possible to install 
another navigation 
application on my 
phone?Any application that is available at Play 
Store™ and is compatible with the 
hardware can be installed and used.
Synchronization
Is it possible to 
synchronize my 
contacts from all my 
email...

88FA Q
Category Question Answer
Unlock
PatternHow do I create the 
Unlock Pattern?1.  From the Home screen, touch and 
hold 
.
2.  Tap System settings > Display tab 
> Lock screen.
3.  Tap Select screen lock > Pattern. 
The first time you do this, a short 
tutorial about creating an Unlock 
Pattern appears.
4.  Set up your pattern by drawing 
itthen drawing it a second time for 
confirmation.
Precautions to take when using the 
pattern lock.
It is very important to remember 
the unlock pattern you set....

89FA Q
Category Question Answer
Unlock
PatternWhat should I do if 
I forget the unlock 
pattern and I did not 
create my Google 
account on the 
phone?If you forgot your pattern:
If you logged into your Google account 
on the phone but failed to enter the 
correct pattern 5 times, tap the Forgot 
pattern button. You are then required 
to log in with your Google account 
to unlock your phone. If you have 
not created a Google account on the 
phone or you have forgotten it, you 
must perform a hard reset....