what is the last update of m30And when we will get new update..??

My phone is M30When i remove tha charger from my mobile last night ...a message USB CONNECTOR CONNECTED and DISCONNECTED is showing continuously...i done factory reset but still the problem is not solve...Does anyone face this same issue..??...

before last update i can use always on display but aftr update it disappeared..why..

j7 prime camera issue its not focus any object and produse blurry images..what should I do?

in my j7 prime 2 why airtel data not working whether other facilities working