How to get android "O" developer preview on your phone.(complete guide)
This guide will help you get the new android "O" developer preview on your phone without erasing your phone's data.
This is an official method of Google's new trending developer preview for new android phones.
This guide will help you easily flash a particular .img file to your phone's stock recovery.
This developer preview is a good option for feeling the beta versions of androids which haven't being released yet to android phones. Or declared a specific name for the system os version.
The android "O" developer preview is only available for phones with "N" nougat and is manufactured by Google.
This is the list of phones that are compatible with the dev. preview
- Nexus Player (Tablet)
- Google Nexus 6P (Phone)
- Google Nexus 5X (Phone)
- Google Pixel (Phone)
- Google Pixel XL (Phone)
- Google Pixel C (Tablet)
If you want to backup all your data to your Google drive account please do so...
Flashing Instructions from Google developers
The factory image downloaded from this page includes a script that flashes the device, typically named flash-all.sh (On Windows systems, use flash-all.bat instead).
To flash a device using one of the system images below (or one of your own), you also need the latest fastboot tool. You can get it from one of the following sources:
From the Android SDK Platform-Tools package, which you can download here (get adb and fastboot only) or download from the SDK Manager (recommended for app developers).
From a compiled version of the Android Open Source Project.
Once you have the fastboot tool, add it to your PATH environment variable (the flash-all script below must be able to find it). Also be certain that you've set up USB access for your device, as described in Run Apps on a Hardware Device.
Flashing the img. file
Download the appropriate system image for your device below, then unzip it to a safe directory.
Connect your device to your computer over USB.
Start the device in fastboot mode with one of the following methods:
Using the adb tool: With the device powered on, execute:
adb reboot bootloader
Using a key combo: Turn the device off, then turn it on and immediately hold down the relevant key combination for your device. For example, to put a Nexus 5 ("hammerhead") into fastboot mode, press and hold Volume Up + Volume Down + Power as the device begins booting up.
If necessary, unlock the device's bootloader using one of the following methods:
If you are updating a Nexus 5X or Nexus 6P device using the hammerhead or angler builds, update your fastboot tool to the latest available version (>=23.0.1), and then run this command:
fastboot flashing unlock
If you are updating an older device, run this command:
fastboot oem unlock
The target device will show you a confirmation screen. (This erases all data on the target device.)
Open a terminal and navigate to the unzipped system image directory.
Execute the flash-all script. This script installs the necessary bootloader, baseband firmware(s), and operating system.
Once the script finishes, your device reboots. You should now lock the bootloader for security:
Start the device in fastboot mode again, as described above.
Execute:
fastboot flashing lock
or, for older devices, run:
fastboot oem lock
Locking bootloader will wipe the data on some devices. After locking the bootloader, if you want to flash the device again, you must run fastboot oem unlock again, which will wipe the data.
ALL DATA OF INSTRUCTION OF FLASHING IS FROM Google inc.'s developer - android.
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