The aim of the study was to enquire the to Evaluate the usage of mobile phones in accessing farm inputs information to smallholder farmers in Mpwapwa district, Tanzania. The study also considered to identify the constraints facing smallholder farmers in the usage of mobile phones for accessing farm inputs information. The objective was to come up with a comprehensive strategy that would enhance farmers’ access to farm input information with the use of mobile phones. One of the key findings in this paper is that mobile phones are increasingly accessible to lower-income groups in rural areas. This study concludes that Mobile phones are essential to farmers in rural areas, such gadgets should be subsidized by the government or development practitioners so that farmers can be able to afford and use them to access farm input information to increase their farm productivity and income levels; more researches should be conducted to examine effectiveness of using mobile phone especially mobile phone services such as SMS and Mobile Apps in accessing farm input information and thus to improve the welfare of smallholder farmers in particular.