Many of these users who were using non mfi made for iphone certified cables and splitters found themselves stuck with the this accessory is not supported by this iphone message. In this video we will see how to fix this accessory may not be supported in ios 13 this accessory may not be supported on ipad this accessory is not supported by this device iphone 7 headphones.

Why Your Iphone Or Ipad Is Saying This Cable Or Accessory Is
This accessory is not supported by this iphone headphone adapter. Here are some possible reasons for why the iphone says this accessory may not be supported. It is often a common issue among iphone ipad and ipod users and it is not limited to a particular device. Your iphones software is malfunctioning. If the message this accessory is not supported by this iphone or ipadipod happens when connecting to a bluetooth accessory like speakers or headphones try forgetting the device and then adding it back while renaming that device something different than before if possible. The possible reasons for this error might be. If necessary gently remove the debris and clean the connectors on your device.
It happens a lot to iphone 55s66s78 and iphone x users. If you see this alert and dont have any accessories connected contact apple support. If it continues to appear check the connectors on the accessory and your device for damage or debris. Charging accessory is either damaged defective or non certified. The accessory isnt supported by your device. Your accessory is defective damaged or not apple certified.
The recent ios update came as an unpleasant surprise for ifolks who have been using lightning to headphone connectors with their iphone 77 devices. I updated the ios on my iphone 7 from 1021 to 103 this morning. Charging port is damaged or some dirt is there. Your ios device has a dirty or damaged connector. It is very much possible that you have come up against an error message on your iphone telling you that this accessory may not be supported. Disconnect and reconnect the accessory to see if the alert goes away.
One phone charger no matter which cord was used and the other iphone kept getting the thus accessory may not be compatible messsge and stop charging. Some iphoneipad users encountered the problem while charging their port which reflects the error message this accessory may not be supported. Your charger or the lighting port is dirty. Driving we plugged in two iphone 7s one with apple cord one with aftermarket cord to a new aftermarket accessory to charge in the cigarette lighter adapter socket. Since that time the 3rd party lightning to headphone jack adapter i have which worked just fine before the update now eventually stops working with a message that this accessory is not supported by this iphone.