1pMobile is a UK-based, no-frills mobile provider known for its straightforward PAYG (Pay As You Go) rates of 1p per minute, text, and MB, offering great value for low-to-medium users who avoid contracts. They run on EE's network, providing extensive 2G, 4G, and 5G coverage, allowing users to keep their number and manage costs easily without restrictive bundles. Key features include no contracts, UK-based support, EU roaming, and SIMs for various devices, though users need to top up periodically to keep the SIM active.