ASUS - ZenTalk

I bought my Asus Zenfone 5 Lite last 3 month before and dont show any update after cheking Updats again and again. when I decide to registard My Product then show "Invalid Serial Number" how to make Valid ? Give Any Solution without asking me to go...

Asus zenfone 5 lite please fix the ( SIM Toolkit ) icon after restart mobile icon make green like missing icone image.