Mobile & Messaging Technology
RCS, 5G, eSIM, IoT and the phones behind modern communication, explained without jargon.
Calls and texts run on layers of technology that keep changing. These explainers cover the ones that matter most to everyday users, from RCS messaging to eSIM and 5G.
Articles
eSIM Explained: Flexibility and Savings for Travellers and Everyday UsersAn eSIM replaces the plastic SIM card with software. This guide covers how it works, when it saves money and what to check before switching.
IoT Development Tools and Technologies: A Practical OverviewBuilding a connected device means choosing hardware, a connection, a protocol and a platform. This overview lists the main options in each layer and the trade-offs.
OnePlus 8 Revisited: Specs, Strengths and Whether It Is Still Worth UsingThe OnePlus 8 launched in 2020 with flagship hardware at a lower price. Here is how it holds up now and what to check if you own or are considering one.
How to Turn On RCS Chats in Google Messages (Android)RCS chats take a minute to enable in Google Messages. Follow these steps, then use the checklist if the status stays on "Setting up".
5G and GSM Networks: What Changes for Calls, Texts and Data5G is much more than faster downloads. Here is how it relates to GSM, what it changes for voice and SMS and why older networks are being switched off.
RCS Explained: The Upgrade That Is Replacing SMSRCS adds the features of chat apps to your phone's default messaging app. Here is what it is, where it works and how it fits alongside SMS.