Google has already made Android 7.0 Nougat Official, But For now The Final firmware is not available for any Device. Though Google will be soon releasing out Android 7.0 Nougat Firmware and Sources Along with New Nexus Device.
Sony has already started testing Android 7.0 Nougat for its Xperia X Performance smartphones. Now, LG is also starting rolling out a beta version of Android 7.0 Nougat to LG G5 users running on the LG U+ carrier network in South Korea via a Preview Program.
This Early Preview Program is only for Few users and will start from today and will run until August 16th, Only 2000 LG G5 users will be selected on a first come, first-served basis.
All You have to do is to Download The LG OS preview application and Follow the steps.
VIA- AndroidHeadlines | Source- LG Korea