GSMREX is an online marketplace based in Mumbai, Maharashtra, serving customers and resellers worldwide with mobile-device servicing tools, digital licenses, credits, and related services. Its catalog includes phone unlocking and repair software such as UnlockTool, AMT, DFT Pro, Hydra, TFM, TSM, and UAT Pro, available through rentals, account access, or license activations. Customers can also purchase IMEI and server services, including device information checks, FRP-related credits, and other brand-specific services.

Additional offerings include schematic access, file plans, remote services, and digital products such as iTunes gift cards and Internet Download Manager. GSMREX promotes quick delivery, with many products described as instantly available or fulfilled within minutes, and advertises 24/7 customer support. Payment options listed include Binance, Tether, and Visa, with prices shown in US dollars and Indian rupees.

The website provides account registration, reseller access, service categories, and mobile apps for ordering, tracking purchases, and getting support. GSMREX also publishes delivery, cancellation, refund, privacy, and terms-of-service policies