The purpose of this study was to determine the effect of Mobile Banking services on customer satisfaction at BRI Syari'ah KCP Malang Pandaan Pasuruan. In this study, the authors use quantitative research methods with a descriptive problem formulation approach, because of the variables that will be examined for their relationship and the aim is to present a structured, factual picture of the facts and the relationship between the variables studied. The results of the F test show that the

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... on of speed (X1), perception of security (X2), perception of data accuracy (X3), perception of trust (X4) together have an effect on customer satisfaction.