My Mic Mode always show "your isolation and wide spectrum are currently unavailable iphone" and I couldn't use voice isolation mode.

Nangsawlulunaw Said:

"My Mic Mode always show "your isolation and wide spectrum are currently unavailable iphone" and I couldn't use voice isolation mode."

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Set this to Factory Settings:

Backup you data, and then reset this to factory settings. Perform as instructed here, including the iCloud logo What to do Before you Sell, Give Away, or trade in your iPhone, iPad, or iPod touch - Apple Support