The latest 1105 Tecno boom J8 update is out see here, If you are yet to receive this update we have provided a link below for you to download, below are the update details including fixed bugs.
BoomJ8 Update details：
1. Merged the latest GPRS parameters
2. Added PHX Browser
3. Added waves sound effect to headset
4. Added Aha
1. Fixed the issue where screen turned black under some frame rate when taking videos in Skype and Facebook.
2. Optimized the effect of rear camera.
3. Fixed the issue where the focusing was occasionally slow when shifting the phone during video taking.
4. Fixed the issue came from Kenya feedback where parts of bookmarks in Opera Mini were unable to connect.
5. Fixed other issues.