WANT Android Oreo 8.1?

This is a complete STEP BY STEP guide on how to install the December Android Oreo 8.1 update/upgrade on your Google Pixel 2, Pixel 2 XL, Pixel, Pixel XL, Nexus 6P and other compatible Google devices. The guide shows you how to sideload the lastest Android 8.1 OTA update/upgrade (keeping your current data) or upgrading the device with a complete clean install using the manufacture FACTORY image. (4k video)

Compatible Google devices with this tutorial:
Pixel 2, Pixel 2 XL
Pixel, Pixel XL, Pixel C
Nexus 5X, Nexus 6P

Jump: 1:00
First Method: OTA Update
✅ Links from the video:
1) Android Platform Tools: 
 https://developer.android.com/studio/releases/platform-tools.html

2) OTA Files:
https://developers.google.com/android/ota

✅ Set device for development:
 a. Settings | System | About phone | tab on Build number 7 times or until your notify with "You are now a Developer".
 b. Settings | System | Developer options | USB debugging (Enable)

✅ Commands from the video
 a. Connect phone to PC
 b. Enter recovery: "adb reboot recovery"
 c. In the phone select "Update from ADB"
 d. In the computer type "adb sideload ota.zip" (if your zip file has another name, use the name of your file, example: adb sideload myfile.zip.

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Jump: 8:30
Second Method: Factory Image
✅ Links from the video:
1) Android Platform Tools: 
 https://developer.android.com/studio/releases/platform-tools.html

Get Factory Image:
2) https://developers.google.com/android/images

✅ Set device for development:
 a. Settings | System | About phone | tab on Build number 7 times or until your notify with "You are now a Developer".
 b. Settings | System | Developer options | OEM unlocking & USB debugging (Enable)

✅ Commands from the video
 a. Connect phone to PC
 b. Enter fastboot: "adb reboot bootloader"
  Tab "OK" on "Allow USB debugging?"
 c. Check connection: "fastboot devices"

Key combination (per device) to boot into Fastboot/Bootloader mode:
https://source.android.com/setup/running#booting-into-fastboot-mode


✅ To unlock the device: 
 a. Type "fastboot flashing unlock" (try "fastboot oem unlock" if it doesn't work)
  This will erase the device

✅ To Flash the factory image:
 a. Go to the directory were you move the factory image (platform-tools) and execute: "flash-all"

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Mac user notes below:

Note: 
⚪️ You can do this in a Mac too! Instead of looking for "CMD" command window, in the Mac you will open a "Terminal" window. 
⚪️ To navigate in the Mac, remember to use forward slash like in "/" instead of the backslash "\". Also because you are in a Mac, you won't navigate to a drive letter like C, D, etc. You navigate to the directory you are looking for. For example, if the files were placed in your "Documents" folder in the Mac, then at the Terminal window type "cd documents/pixel2xl" (if you name the directory like I did in the video). In here you should see your "platform-tools" directory. 
⚪️ To execute the commands (example "adb devices"). In the Mac you have to execute this way: "./adb devices", you need to add "./" in the front of every command. 

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