This report provides new data and insights from 10 low- and middle-income countries on the use of mobile phones by women micro-entrepreneurs and the challenges that prevent them from using mobile services for business. It highlights the mobile gender gaps and how barriers such as not having the right kind of handset, and low confidence or digital skills, as well as gendered social norms, tend to put women micro-entrepreneurs at a disadvantage, causing them to miss out on the benefits of mobile.