There are a few quick checks you can do:
1. The device may be outside of the network coverage for the network service provider; to recover, you will need to re-locate to an area covered by the Network provider.
2. SIM card is invalid, please contact your network supplier, if the SIM card has recently become invalid, you need to contact the Network provider to check why the card is no longer valid and how this can be resolved.
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Dominique Granger: Pushing the Limits with Cat® phones
Meet French Canadian photographer Dominique Granger. As a former kitesurfing instructor and athlete, her world is ruled by work and adventures in the outdoors, and the Cat® S41 and Cat® S61 have been her latest travel companions.
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The Cat® S61: Cave Exploration Made Easier With Thermal Ima...
For this instalment in our Unstoppable Stories series, we speak to Speleologist Damir, who spends his days exploring and monitoring the uncharted caves of Croatia, to find out how the Cat S61® smartphone is the ideal companion for him.
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Cat® S61 Saves Time and Makes Job Easier
Continuing our Unstoppable Stories series, here’s how the Cat S61 smartphone, with its rugged features and thermal imaging camera, is helping mechanic and road-assistance services manager do his job faster.
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European Businesses Say Mobile Phones Are Too Fragile
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Upgrade to the Cat® S61: Why it Was an Easy Decision
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