>>SD card write permission always changed back to internal storage. And Even if it’s been set to SD Card but it doesn’t save data to card.

>>Task manager shows apps and after clearing apps it pop ups again.

Responsiveness is not satisfactory.

>>Facebook app not searching at all!

>> Multi-tasking not encouraging at all..

>>Can’t identify the correct time remaining for the battery to drain, hence there’s a mis config. i don’t know how well to fix it. but as the screenshots below shows, on system manager app, the battery shows a larger duration remaining, but on the settings under battery section, it shows less period of time. (2) Multitasking need some improvement.

>>>I updated manually and flashed it from recovery but now my camera in third party applications has no lightening and i am having issues with 4g the 4g sign is shown but when i use internet it says proxy problem internet connection error.

Please if you have upgraded your Infinix Note 2to Marshmallow, kindly let us know if there are any bugs you notice and the fixes. Infinix always listen to their users hence all these bugs will be fixed. Wait for the bug fix update to be release soon.