PhoneShield is a device management application designed to help authorized mobile retailers manage customer devices provided under installment or EMI plans. The app includes features such as device lock/unlock, location visibility (with user consent), SIM change notifications, and payment reminder alerts. These tools are aimed at improving service efficiency and ensuring smooth customer communication regarding payment schedules. PhoneShield operates with user awareness and consent, and is intended strictly for use by authorized dealers in accordance with applicable laws and regulations. We are committed to user privacy and security, and no personal data is misused or shared. PhoneShield is a tool to support retailers in offering better service and accountability in mobile financing.