[riaron86]

чуть подправил код
const prop= {
checkboxi:

{ OS: {id:1,mname:'android',named:'Android'},
},

import React, {useContext, useState} from 'react';
import {AuthContext} from "../../context/index.js";

function Checkbox() {
    let k;
    const v=[];
        const prop=useContext(AuthContext);
        const [check,setCheck]=useState();
    setCheck(prop.checkboxi.forEach(([k, v]) => (k:v)
    ));
        return (
            <div>
                    <ul>
                        <li>{check}</li>
                    </ul>
            </div>
        );
}

export default Checkbox;