They can use a third party application to make calls and text messages.
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CLIFFMC14, help is here as I understand the importance of watching over your children's phone. Ann154 is correct as your child can download 3rd party applications but you can enable the 'Require authentication for purchases' or enable Parental Controls for her device. Simply go to the Playstore via your child's phone, tap on the menu which is the three horizontal lines located at the top left, tap settings. It is there you will these options. I do hope this helps.
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