Are you using Infinix Hot 4? There is now an update available for all Infinix Hot 4 users to download in order to fix many problems of their smartphone.
This update comes with fix for Auto Rebooting, partial fingerprint functions, of course it will optimize memory leak issue in the application using process, it will optimize where the start-up guide interface was occasionally blocked and also optimize the camera function.
So, you can now go to Settings>>About phone>>system update and update your Infinix Hot 4. However, you should unroot before you download the update.
Have you updated yours?