Cell-site simulators, also known as SMS Blasters, are used to inject phishing messages into smartphones by exploiting weaknesses in cellular standards. SMS Blasters bypass carrier networks and anti-fraud filters, ensuring all messages reach victims. Fraudsters can control all message fields, making them appear legitimate. Android 12 introduced a user option to disable 2G, mitigating the risk from SMS Blasters. Android 14 includes an option to disable null ciphers, a key protection against SMS Blaster injection. Android also provides spam protection, Verified SMS for identifying legitimate messages, and Safe Browsing for warning users about risky sites and downloads. Google Play Protect scans apps for malware and warns users about potentially harmful apps. Android is committed to user security and collaborates with carriers and OEMs to enhance cellular security features. Android's ongoing efforts aim to protect users from threats like SMS Blasters and provide a safe mobile experience.