Zte Spro 2 User Manual page 115

Problem
micro-SIM
card error
Unable to
connect to the
network
PIN Code
blocked
Poor Wi-Fi
signal
Spro 2
crashes,
reboots,
Possible causes
micro-SIM card
malfunctions or is damaged.
micro-SIM card is inserted
improperly.
There is debris on the
micro-SIM card contacts.
The micro-SIM card is
invalid.
You are not within the
network‟s service area.
The signal is poor.
You have entered an
incorrect PIN code three
consecutive times.
The Wi-Fi network signal is
too weak at your current
location.
Some third-party software is
not compatible with your
Spro 2.
Possible solution
Take the micro-SIM card to
your service provider for
testing.
Insert the micro-SIM card
properly.
Use a soft, dry cloth to clean
the micro-SIM card
contacts.
Contact your service
provider.
Check the service area with
your service provider.
Move to an open space, or if
you are inside a building,
move closer to a window.
Contact your service
provider. If the service
provider provides the
micro-SIM card‟s PUK code,
use the PUK code to unlock
the micro-SIM card.
Move closer to the Wi-Fi
hotspot or a location where
is no obstacle between Spro
2 and the hotspot.
Uninstall the software that
may cause the problem.
Upgrade Spro 2‟s software.
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