i. Assigning a different ringtone for a contact
When you assign a custom ringtone to a contact group, all the contacts in this group will have their ringtones changed automatically to the one you’ve assigned for the group.
Note: The steps here were written for MIUI V5, based on Android 4.2.2 on a Redmi (HM1W). If you’re having a different model of Redmi or other version of MIUI, there’s a possibility that the steps and screenshots will be different.
How To assign different ringtones to contacts on Xiaomi phone
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