How to Use FTP with the iPhone Lossless Music Player Foobar2000 Mobile Version

Is there any software for listening to lossless music locally on an iPhone? The answer is yes. A friend recommended the mobile version of Foobar2000, a lossless music player. I believe many friends who enjoy listening to local music have encountered Foobar2000. Naibabiji installed Foobar2000 on the iPhone but got stuck when trying to transfer music files to the phone. Foobar2000 iPhone mobile version supports uploading music files from a computer to the Foobar2000 folder via LAN FTP. However, after enabling the FTP service (Server running) in the FTP Server interface under Tools in Foobar2000's settings, computers on the LAN simply could not connect.How to solve the issue of computers being unable to upload files to Foobar2000 via FTP?On the iPhone, all apps require network permission authorization if they need internet access. However, when enabling the FTP service, no authorization prompt for Foobar2000 was seen, and there was no place to enable authorization in the iPhone settings. After exploring for a long time, it was finally discovered thatThe method to trigger the network permission switch for Foobar2000 on iPhone is as follows:In the Browse interface, select Media Servers, then Add new to add a new server, for example, randomly enter an FTP server like ftp://192.168.2.1A network authorization button will then pop up. After allowing, go back to enable the FTP service. Then, you can access the FTP service of Foobar2000 mobile version from a computer and transfer files to the phone.