Chosen Solution
My new lightning cable charges one sided only on my iphone 6s i tried it on powerbank then on apple adapter the other side didnt work .I borrowed my moms cable and it works two sided is their any problem on the cable itself its like is their any bad issue that might happen on my phone ?is their gonna be an issue on the phone itself?
Likely a cheap knock off ;-{ Return it and make sure you get a real Apple cable to be sure yo don’t have other problems.