Why I can't install the upgrade to my phone?

I have a HTC One M8, Verizon, an upgrade message pops out, I download the file, when the file finish to download it give me 3 options: Install, Install later, don't install. I choose install, the phone turns off and enter into recovery mode but I don't know what to do?
Please help me.

Software update: 6.20.654.3

Thank you.

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

Last post by hickle.elwin
3 hours ago
Last post by miller.jazmin
3 hours ago
Last post by cristian64
4 hours ago
[Q] ace 5830i
Started by delta28
Last post by xchristiansen
10 minutes ago
Last post by wilhelmine.gutmann
13 minutes ago
Last post by dickens.holden
1 hour ago