deleting

I have a Samsung Galaxy S8. When I delete a phone number from a contact, it seems to take effect, but when I check the contact again, the number is still there. Details as follows: Select Contacts. Select an entry (in this case, my Dad). There are two "Home" numbers listed; the old and the new...

alright im an absolute noob so please give me a simple solution for this. so i put this folder of music into my sd card right (it came w the phone its a kinda dodgy unbranded 16gb but so far its worked perfectly fine so). and like okay it's all good in the hood. i open google play music. choose...