Your P9 lite mini sports a microSD memory card slot. If your laptop or personal computer has a slot for that card format (Most laptops are so-equipped), you should be able to transfer a music file
The Huawei P9 lite mini is an Android smartphone and the Android market offers a bunch of free ringtone apps such as MP3 Ringtone Maker, RingDroid (open source) and more.
Here are some of the free ringtones (compatible with your Huawei P9 lite mini) we offer:
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