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The audio quality of the call is poor.
• Ensure that you are not blocking the phone’s
internal antenna.
• When you are in areas with weak signals or poor
reception, you may lose reception. Move to
another area and try again.
You select a contact to call, but the call is not
dialled.
• Ensure that the correct number is stored in the
contact list.
• Re-enter and save the number, if necessary.
The battery does not charge properly or
sometimes the phone turns itself off.
• The battery terminals may be dirty. Wipe both
gold-coloured contacts with a clean, soft cloth
and try charging the battery again.
• If the battery will no longer charge completely,
dispose of the old battery properly and replace it
with a new battery.
Your phone is hot to the touch.
When you use several applications at once, your
phone requires more power and may heat up.
This is normal and should not affect your phone’s
lifespan or performance.
Summary of Contents for SGH-J770
Page 1: ...SGH J770 user manual ...