suddenly a strange behaviour appeared on my phone; recent calls, messages, notes and gallery looks empty. but i can see photos in file explorer. also can't take screenshot, says "couldn't capture screenshot. storage may be in use." its installed wiui kk 4.8.1. reinstalled rom and cleaned cache and dalvik but no luck. what should i do? thanks in advance.. edit: managed to take a screenshot via miPhoneManager, what is the first icon on the bar?