Earlier, we have posted a detailed guide on how to unlock Essential Phone bootloader. This is a prerequisite in case you want to install factory images on the device. Today, we show you how to install factory images on Essential Phone (PH-1) manually. Installing factory images on Essential PH-1 is not a complicated process, but should be proceed with caution.
The first Essential Phone (PH-1) was released in last August (2017) by Android co-founder Andy Rubin. Runs on Android Nougat, the device have now updated with November 2017 security patches. The new update comes with build number NMJ32F and available via OTA (over-the-air).
Now, comes to our topic, sometimes you might want to install factory images (stock firmware) manually on your Essential PH-1. For example, if you want to unroot a rooted PH-1 and returned to stock firmware, you need to flash factory images manually.
Before start, note that the company not yet released Essential PH-1 OTA update file and factory images for public download. However, the company has said on Twitter that factory images will be available to download soon.
Manual installation of stock firmware on Essential Phone is exactly the same as that of Google Nexus and Pixel phone. If you are new, just follow the below guide.
Note: The below guide required ADB and Fastboot setup on your computer (read this guide). Also, your device’s bootloader must be unlocked.
Also Read: How to Unlock Essential Phone Bootloader
How to Install Factory Images on Essential Phone
2. Unzip the zip file and the move all contents in the ADB installation directory (usually it will be at C – Users – User – ADB).
3. Now, enable “USB Debugging” on your phone from Developer options and then boot your phone into fastboot mode (use Volume and Power key combination).
4. Now, connect your phone to your computer via a USB cable, then go to the ADB installation folder (where you have saved the unzipped factory image)
Wait for the process to complete. The phone will reboot automatically. Any question? Leave it in the comment section below.