User's Manual

150
Problem Possible causes Possible solution
PIN Code
blocked
You have entered an
incorrect PIN code three
consecutive times.
Contact your service
provider. If the service
provider provides the
(U)SIM card’s PUK
code, use the PUK code
to unlock the (U)SIM
card.
Unable to
enter
information
into the
tabletbook
The tabletbook’s
memory is already full.
Delete unnecessary
data from the contacts.
Tablet
crashes,
Some third-party
software is not
Reset the tablet to
factory status.