If you want to update without wiping your data, download the OTA Zip Files . These can be applied using the adb sideload command. Supported Official Devices for 7.1.2: Pixel / Pixel XL Nexus 5X / Nexus 6P Nexus Player
Google maintains an archive of "Factory Images." These are large .zip or .tgz files used to restore a device to its original state. You can find them on the Google Play Services for Developers site.
If you aren't using a Nexus or Pixel, you won't find an "official" zip from Google. Instead, you’ll need a like LineageOS (based on Android 7.1.2). android 712 download zip file link
If you want to run Android 7.1.2 on a PC, you can find ISO and zip files on the Android-x86 Project . How to Install the Android 7.1.2 Zip File
Enhanced notifications for apps consuming excessive power. If you want to update without wiping your
While Android 7.1.2 was revolutionary in its time, it is now considered an "End of Life" (EoL) operating system. Official security updates ceased in . Risks of using 7.1.2 today: Android 7 Nougat | Specs, reviews and EoL info - InvGate
Gestures on the fingerprint sensor for the Nexus 5X and 6P. You can find them on the Google Play
Transfer the 7.1.2 zip file to your device's internal storage or SD card. Boot into TWRP Recovery.
Released in April 2017, Android 7.1.2 (Nougat) was the final refinement of the 7.x series. It focused heavily on stability and performance for Google’s own hardware, introducing features like: