Dear friend, Hi, some of us were out of office in the last few days so we did not reply your message on time. You could provide your Paypal account to us via Aliexpress. We will refund the shipping cost of returning the product to you via Paypal. Thank you. Best regards

Dear friend, Hi, I attached the firmware file in the attachment. Please don't worry. Best regards

Dear friend, Hi, we have tried to report to the engineer about that. Best regards

Dear friend, Yes. Best regards

Dear friend, Hi, you could try to play the certain music file before deleting. Then in the playlist page, click the 'quick locate' icon to help finding the file faster. Can this help? Best regards

Dear friend, Hi, do you feel that the volume increase/decrease too much when you slide the volume panel? Best regards

Dear friend, Hi, I checked with the engineer and he told me that the MCU firmware of your black K7 needed to be updated for improving the phenomenon you reported. And you would need to disassemble the K7 for updating. If you would prefer, you could contact support@fiio.com and we could send a...

Dear friend, What is your FiiO product model? Did you encounter any problems with the FiiO Control App? You can use the latest version of the App and try again later: https://forum.fiio.com/note/showNoteContent.do?id=202105071628040377809&tid=17 Best regards

Dear friend, BTR15 latest firmware: https://forum.fiio.com/note/showNoteContent.do?id=202312201447233677679&tid=77 Best regards

Dear friend, What does “but can’t connect to Ethernet” mean? Does it mean that after R7 is connected to Ethernet, TIDAL cannot be used? Can other apps work normally under Ethernet? Best regards

Dear friend, You can download the FiiO Control App V3.22 installation package from the following link, and then transfer it to your phone for installation: https://forum.fiio.com/note/showNoteContent.do?id=202105071628040377809&tid=17 Best regards

Dear friend, Hi, we do not have Q13 plan this year. Best regards

Dear friend, Hi, we will report to the engineer for checking first. You could use the play button for help instead? Best regards

Dear friend, Hi, thanks for your interest. It will be release at about next month. Best regards

Dear friend, Yes, about that time, so it may still take some time for the engineer to improve. Best regards