Скачать или смотреть How To Change Font Style Of all Xiaomi devices Without Root

you can easily change the font on MIUI 8 Xiaomi phones by downloading and installing a third-party Android application called iFont. With this application, you can install beautiful fonts on your mobile. In order to provide a better look, you can download and use hundreds of fonts to make your phone become lovely.

Apps Download Link -
ifont - https://goo.gl/E6WPGh
Quick shortcut maker - https://goo.gl/sCBe5u

ERROR : download|auth rejected 402

Solution

This third party error solved easily just follow below steps.

Open http://designer.xiaomi.com/ and login with your Mi account. Select Bounding Account Type As Individual Designers.Fill the form.Upload your real picture. When system asks for bank details skip it.
choose Registration
Accept agreement and register. Wait for 72 hours, you receive confirmation mail when verification was done.