Infinix has fixed the issues with partial fingerprint functions and phone auto rebooting itself occasionally. Below is the change-log for the fixes.
1. Optimized the issue where the startup guide interface was occasionally blocked.
2 optimized the memory leak issue in the app using process
3. Optimize the camera function and increased.
TAKE NOTE: If you have already rooted your Infinix Hot 4, to be on the safer side, you’re strongly advised to Unroot before proceeding to update the system. Upgrading an already rooted device Over-the-Air or via TF card can get the device bricked.
How To Upgrade Your Infinix Hot 4 to Android 6.0-XOSv2.0.0 (Version X557-H807A1D1-M-170110V194)
==> Check if the update is already pushed on your device via OTA
==> To check for the update, just navigate to Settings » About Phone » Software Updates. The update weighs in about 420.29MB.
==> Make sure your device is charged to atleast 80%.