2.5 GB Cellular Data (at full 4G/LTE speeds) valid for 25 days starting at your arrival in Mexico Unlimited Calls in Mexico, USA or Canada to any of these 3 countries. Data only works in Mexico and in the US. Fast Assistance in English – Quick support if needed. Unlimited Social media (Twitter, Facebook, WhatsApp, Instagram, Snapshat) LTE capable (LTE Coverage is available in most cities and touristic areas). Easy Activation – No registration required, works instantly. 5g Network. Telcel Mexico Prepaid SIM Card with 2.5 GB Data and Unlimited Calls and SMS.