Infinix Hot 4 X557 Now Available For Grab on Jumia - Check Out It's Cool Features Posted: 29 Aug 2016 5:38 PM PDT Infinixmobility noiselessly unveiled another fascinating smartphone added to the Hot series and it's an advanced version of Infinix Hot 3. The new device I'm talking about is known as Infinix Hot 4 X557. The Infinix X557 (Hot 4) comes with premium features such as Fingerprint Senor and the amazing Batterry Life. The device is now available for sale! at Jumia with reasonable price of N36,900. Key Features Screen: 5.5" HD Display Memory: 2GB RAM, 16GB ROM, 32GB micro SD CPU: MT6580 Quad Core Cortex; 1.3GHz