LG Stylo 2 Plus LG-K550 - Manual (Page 94)

Appendix 93
Message Possible causes Possible corrective measures
Impossible
to receive/
send SMS &
photos
Memory full
Delete some data, such as
applications or messages from
your phone to make more memory
available.
Files do not
open Unsupported file
format
Check the supported file formats.
The screen
does not
turn on
when I
receive a call.
Proximity sensor
problem
If 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 mode
Check the settings status in the
sound menu to make sure you are
not in vibration or no interruptions
mode.
Hangs up or
freezes Intermittent
software problem
If the screen freezes or the phone
does not respond when you try to
operate it, remove the battery and
reinsert it. Then power the phone
back on.
OR
Try to perform a software update
through the website.