Where can I download the firmware for my phone? Brian Bui April 12, 2019 01:46 Updated Follow Description Where can I download the firmware for my phone? Resolution For Mitel (previously known as AASTRA) phones, go to: http://miteldocs.com/document-library_2.htm?curr_nav=2 Related articles What is different in the new Mitel firmware (4.0 to 5.0) What is the boot process of the Mitel Phone? How to factory reset polycom phone when default password does not work My phone is in web recovery mode and gives me an IP address How do I setup (reset & provision) my new or existing AASTRA (Mitel) phone to my account with voxter? Comments 0 comments Please sign in to leave a comment.