Can’t Change Information of side Menu

Open My website & Click on Right menu ight Color Then you will se Phone number, mail & address..I mean To say That I tried to Change that Information from theme Customization Option. But It Didn’t Changes. I am 100% Sure Thta i Changed the Right setting for that Menu. So It means there is some error. So now The information Can Only be Changed From That Menu Code. So How can I change That Info From Backend I don’t Know Coding

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