The aim of the study is to examine the Factors influencing on customers decisions to purchases online and offline shopping of mobile phones. Data collected form 600 sample using convenient and snowball sampling and data were analyzing ANOVA and t-test using SPSS 21 version. The study result revealed that factors such as Discounts & offers, Convenience of the product, Easy and free availability of the product had no significance difference between online and offline purchases of mobile phones, similarly factors such as Product quality, Product variety, Customer service, Product Performance had shown significant difference between online and offline purchase of mobile phones in Telanagna.