Can I lock/unlock the Array from more than one device? March 03, 2018 17:28 Updated Follow To lock/unlock the Array from multiple devices, you will need to utilize the E-keys feature in the Array app. Here are a few articles to help you learn about E-keys: What is an E-Key? E-Key setup instructions How do I accept my E-Key invitation? Related articles What is an E-Key? E-Key Setup Instructions What retailers will sell the Array? Array App set-up Where is the Array's antenna?