Share your experience!
Which device do you have?
because you've posted on the M5 thread
The apps to sd card issue might be due to a faulty SD card, or a slow SD card.
The yellow patch of the screen could be caused by myriad reasons, you sould get it inspected by your Local support
The battery, you should check what is draining the battery
Settings > storage > how much free internal storage is available on each phone?