One thing that stands out in each Samsung Galaxy A31 review is the ample storage space provided by the model. The Samsung A31 comes with as much as 128GB of onboard storage space, meaning that users will be able to store thousands of photos, videos, applications, and files without any trouble at all. Moreover, this particular smartphone allows its users to increase its storage space with the help of a special microSD card slot. No matter what purpose you intend to put the smartphone to, Samsung A31 has enough storage space for that.