What is an M4R File?
M4R files are normally created when converting a purchased song from iTunes into a ringtone. M4R files only support mono audio, which is why they are small in size. When an iPhone is linked with a computer using Apple iTunes, M4R files are immediately downloaded to the device.
M4R files can also be generated with a variety of other third-party apps and online resources. Most likely, M4R files made outside of iTunes do not have copyright protection.
Download M4R Sample Files
Here you’ll find different .M4R sample files to download and test out on your iPhones.
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