Can I use my Yoodo SIM on my external 4G modem or portable WiFi modem? Yoodo Care July 05, 2019 16:25 Updated Yes, your Yoodo SIM is fully compatible with both types of modem. Related articles How do I log in to access the Yoodo app? Can I use the Yoodo App on a rooted or jail-broken device? (For Android/iOS) What do I do with my Yoodo SIM? How do I cancel my order if I accidentally ordered an extra SIM card? Why did my port in fail? Comments 0 comments Please sign in to leave a comment.