Few weeks ago my Samsung galaxy s6 stopped working and when i took it to a local repair shop they said the display is not working. Can anyone tell me the cost of display

My galaxy S6 is giving very less battery backup.I think its a battery issue.Can anyone tell me the price of replacement of battery?

My galaxy S6 back glass is cracked. How much will it cost to replace its back panel?

Actually my fast charging cable for S6 is cut and I want to buy a new original fast charging cable but I am not able to find it on the samsung website. Can anyone give me the link for the original fast charging cable.

On which security patch level is the galaxy S6 runnjng on.