[Q] Need help updating HTC One m7 to 4.4 kitkat
My HTC one m7 is originally att but is unlocked to T-Mobile and has Android 4.1, but I want to install the update firmware 4.4 and it downloads from Ota off of att software update app, but when I proceed and it restarts the phone the update stops around the beginning and gives me a red triangle and fails. Anyone know why this is?? Also battery is charged passed 50%, s-on, no root. Any help please?