IMEI Tampering

Key Highlights:

• India's active wireless mobile subscriber base reached 1,204.01 million in July 2026, underscoring the vast digital ecosystem.
• Tampering with the International Mobile Equipment Identity (IMEI) number is unlawful and creates security challenges for law enforcement and network integrity.
• The Telecommunications Act, 2023 prohibits IMEI tampering and obtaining Subscriber Identity Modules (SIMs) through fraud.
• Violations under the Act can lead to imprisonment up to three years, a fine up to ₹50 lakh, or both, and are cognizable and non-bailable offences.
• The Sanchar Saathi platform allows citizens to verify device IMEI details and block lost or stolen mobile phones.
• Manufacturers, importers, resellers, and brand owners are mandated to register IMEI numbers through the Device Setu–Indian Counterfeited Device Restriction (ICDR) portal.

Detailed Insights:

• India's rapid digital transformation necessitates robust security measures for telecom networks and devices, given their role in payments and online services.
• Unlawful IMEI tampering involves intentionally removing, altering, or using hardware/software configured to change a device's unique identification number.
• Manufacturers must register IMEI numbers of all telecom devices produced in India with the government before their first sale or use.
• Importers are required to register IMEI numbers with the Central Government before importing applicable telecom equipment into India.
• Resellers and retailers must ensure that devices offered for sale have valid and untampered IMEIs, verifying used devices against the central database.
• Citizens are advised to avoid using devices with configurable/tampered IMEIs, procuring SIM cards through fraudulent means, or transferring SIMs to others.
• Consumers should purchase mobile devices only from authorized sellers, secure handsets with strong authentication, and get repairs exclusively at authorized service centers.
• In case of device loss or theft, citizens must file a police report, obtain a duplicate SIM, and register a blocking request on the Sanchar Saathi (CEIR) portal.
• Section 42(3)(c) of the Telecommunications Act, 2023 specifically prohibits tampering with telecommunication identifiers.
• Section 42(3)(e) of the Act prohibits obtaining SIMs or telecommunication identifiers through fraud, cheating, or impersonation.
• Section 42(6) extends punishment to persons who abet or promote the commission of such offences, ensuring comprehensive legal deterrence.

Key Concepts Involved:

• IMEI (International Mobile Equipment Identity): A unique 15-digit number that identifies a mobile device on a telecom network.
• TAC (Type Allocation Code): The first eight digits of an IMEI, which identifies the device model or type.
• GSMA (Global System for Mobile Communications Association): The body that oversees the global allocation of TACs to manufacturers.
• Sanchar Saathi: A government platform enabling citizens to verify device IMEI details and block lost/stolen mobile phones.
• Telecommunications Act, 2023: Indian legislation providing a legal framework to protect the integrity of the telecommunication ecosystem, including against IMEI tampering.
• Device Setu–ICDR (Indian Counterfeited Device Restriction) portal: A government portal for manufacturers and importers to register IMEI numbers.