Mobile payment services are recently draw special attention of business people in banking and financial technology in Indonesia. The development is based on the use of technological innovations to increase company value and convenience of consumers in the transaction. However, the mobile payment function is not quite attached to the daily needs of users. Besides, by following the growing trends and times that are fully digital, either old or new business people alike want to get as many consumers as possible. Then, to make it happen, they use social media to attract the attention of consumers. Therefore, this study aims to determine whether the technological innovations that companies build in mobile payment services have a significant influence on users' decisions to use their services. And whether using the role of social media significantly influences the trust and loyalty of consumers to the mobile payment service they use. This research was conducted in Jakarta, Indonesia as one of the cities with more dominant mobile payment users. This study uses the methodology of the Technology Acceptance Test (TAM), Diffusion of Innovation Technology (DOIT), and Social Media based on Brand Trust and Loyalty as a research model, as well as distributing questionnaires for use as analysis material. Analysis conducted in this study is following Structural Equation Modeling (SEM) and data processing was using Amos version 23 Statistical Package for the Social Science (SPSS). The results of the study indicated that most variables have an impact on Actual System Use mediated by Intention to Adopt