My problem is after is plug in my charger it is saying that this accessory may not supported
iPhone 6s Plus, iOS 14
iPhone 6s Plus, iOS 14
Yes my iphone 6s plus charger is lost so used iphone 5s charger
Is say "may not be supported", not "is not supported". Does it actually charge the phone?
Are you using the Apple provided charger? If yes, do you have another Apple provide charger, e.g. one for an iPad, that you could try?
My problem is after is plug in my charger it is saying that this accessory may not supported