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micro-SIM card
malfunctions or is damaged.
Take the micro-SIM card to
your service provider for
testing.
micro-SIM card is inserted
improperly.
Insert the micro-SIM card
properly.
There is debris on the
micro-SIM card contacts.
Use a soft, dry cloth to clean
the micro-SIM card
contacts.
Unable to
connect to the
network
The micro-SIM card is
invalid.
Contact your service
provider.
You are not within the
network‟s service area.
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.
You have entered an
incorrect PIN code three
consecutive times.
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.
The Wi-Fi network signal is
too weak at your current
location.
Move closer to the Wi-Fi
hotspot or a location where
is no obstacle between Spro
2 and the hotspot.
Some third-party software is
not compatible with your
Spro 2.
Uninstall the software that
may cause the problem.
Upgrade Spro 2‟s software.