Massive Battery With Improved Security System on the Infinix Hot 9 Play 4GB The Infinix Hot 9 is a large smartphone with a name at the end. Play 4GB is a smartphone with amazing specifications, which will be one of the primary selling points. To make it more powerful, it will be powered by an octa-core processor. Samsung and other smartphone manufacturers are now in direct rivalry, as they must develop better systems than the 9 Play 4GB to maintain their market share. Everything you want to see on a smartphone is available on the smartphone.