Hello, I need help updating the firmware, i watch the YouTube videos and check for upgrade but i am stuck with v77 the last one available is v86 where can i download and install the v86 version. i also read the manual but i can't upgrade to v86 or find were to download. i will love to use the phone app but my firmware is old. Can anyone help me please and thank you in advance! 73's de kp4cz-Jose.