Today i have changed lock screen wallpaper by selecting Settings-Display-Lock screen settings-wallpaper.Now after changing my original phone wallpaper my lock screen wallpaper is still the older one.The lock screen wallpaper must change after selecting original wallpaper.Then why it's not changing.I have already done factory reset.Already deleted lock screen wallpaper from my phone but it still shows while unlocking screen.What should i do?Please Help!
