iD Mobile is a legitimate UK mobile virtual network operator owned by Currys plc, operating on Three's network. It offers competitive SIM-only and contract deals, particularly for cost-conscious consumers. Customer service quality is a recurring complaint, so it suits those comfortable managing their account online rather than needing frequent support.
iD Mobile is a UK-based mobile virtual network operator (MVNO) launched in 2015 and owned by Currys plc, one of Britain's largest consumer electronics retailers. It uses Three UK's network infrastructure to deliver mobile services, offering SIM-only plans and handset contracts at competitive price points. The brand is fully registered in the UK and regulated by Ofcom, giving it the baseline legitimacy expected of a mainstream telecoms provider.
The primary strength of iD Mobile is value — its deals frequently undercut larger carriers on data allowances and monthly cost. However, customer service is a consistent weak point, with a Trustpilot score hovering around 3.5/5 and recurring complaints about slow resolution times, billing issues, and difficulty cancelling contracts. Coverage is entirely dependent on Three's network, which performs well in urban areas but has known gaps rurally. Consumers can escalate unresolved complaints to Ombudsman Services: Communications, which is a meaningful protection.
iD Mobile is a reasonable choice for UK consumers who are comfortable managing their account digitally, live or work in areas with strong Three coverage, and prioritise price over premium support. Avoid if you need reliable customer service or are in a low-coverage area. Always check Three's coverage map before signing up, and read the early termination clause carefully before committing to a 24-month contract.