Hisense C1 - Message;Photo Transfer and File Opening Issues; Screen, Sound, and Freezing Problems; Contact Display and App Installation Errors

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Wrong charger.
Use only original
accessories.
Impossible to
receive / send
SMS &
photos
Memory full.
Delete some
messages from
your phone.
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 or
silent mode.
Check the
settings status in
the sound menu
to make sure you
are not in vibration
or silent mode.
Hangs up or
freezes
Intermittent
software problem.
Try to perform a
software update
via the website.
Contacts
display
doubly
Contacts are
saved in both
phone and SIM
card.
Check contacts
saved.
App not
installed
Not supported by
service provider or
registration
required.
Contact your
service provider.
Your mobile
phone has
insufficient
memory.
Delete some
messages from
your phone.