After you purchase and use your cellphone for an extended period of time, you can change networks. However, the phone that you're currently using may not be offered on that network. If you wish to ...

SIM stands for Subscriber Identity Module. It's a tiny chip that connects your mobile phone to a mobile network, acting like ...

When you come across the error message "not registered on network" on your device, your SIM card cannot establish a connection with your carrier's network. As a ...

Needless to say, a “mobile network not available” message — or some alternative version of it — is a major problem on a smartphone, since the whole point is to make calls and access the internet away ...

A new partnership between Deutsche Telekom, IoT managed connectivity provider Tele2, and CSL Group subsidiary rSIM will bring multi-network connectivity to the IoT, allowing for more robust and ...

In 2021, there were more than 14 billion cellular devices in the world even though there were only 7 billion people. The ubiquity of these devices – but especially smartphones – has come to define the ...

Singtel has begun issuing SIM cards that are compatible with 5G standalone networks, which the telco currently is rolling out in Singapore. Its next-generation mobile network has been deployed for ...

Heavy rainfall, thunderstorms and strong winds are a regular feature of the rainy season in Nigeria, which causes disruption of telecommunication facilities. Business owners, remote workers and ...