How to change Siri's language on iPhone and iPad

[iMore.com]

Siri is available in dozens of languages throughout the world. Just like you can change Siri's gender, you can also change its language. This is a great feature to remember if you or someone you know lives in a bi-lingual home, or if your iPhone or iPad didn't come out of the box with Siri programmed to your native language.

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