for (const filename of this.state.iconFiles) {
const result = await FileSystem.downloadAsync(
'https://avatars.mds.yandex.net/get-pdb/1105309/b26948f0-22ce-41a3-a690-770e9cbf92ce/s1200',
`${FileSystem.documentDirectory}${filename}`
);
}
Вот решение