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The display shows INSERT SIM
Check that the SIM card has been inserted
correctly. If the problem remains, your SIM card
may be damaged. Contact your network operator.
When attempting to use a feature in the
menu, the mobile displays NOT
ALLOWED
Some features are network and subscription
dependent. They are only available, therefore, if the
network or your subscription supports them.
Contact your network operator for more
information.
Your phone is not charging
If your battery is completely flat, it might take a
while before the charging icon is displayed on the
screen.