How to Upgrade vivo X21 UD to Android Oreo 8.0


Updating your vivo X21 UD to the latest Android version is very recommended. Not only you are getting new features, but you are also making your vivo X21 UD secure by updating to the latest security patch. In this tutorial, we are going to show Step by Step Tutorial How to Upgrade vivo X21 UD to Android Oreo 8.0.

How to Upgrade vivo X21 UD to Android Oreo 8.0

Note and Disclaimer

There are 2 methods on How to Upgrade vivo X21 UD to Android Oreo 8.0, the manual and the automatic method. The automatic method is using official OTA (over the air) from your vivo X21 UD. Make sure to follow the step accordingly.

How to Upgrade vivo X21 UD to Android Oreo 8.0

Pre-requirements

– Make sure to backup your vivo X21 UD before performing the backup
– Make sure your vivo X21 UD is on Charge or have at least 60% battery power left

Step by step tutorial How to Upgrade vivo X21 UD to Android Oreo 8.0 Automatically via OTA (Over the Air):

1. Go to Setting on your vivo X21 UD
2. Click on About Menu
3. Go to Software Update Menu
4. Click on Check for Update
5. If the update is available, click Update Now and wait for the update to download and install (around 30 minutes)
How to Upgrade vivo X21 UD to Android Oreo 8.0
6. If there is no update available, update your vivo X21 UD manually by following the tutorial below

Step by step tutorial How to Upgrade vivo X21 UD to Android Oreo 8.0 Manually:

1. Download the latest Android firmware file for your vivo X21 UD
Download Android Oreo 8.0 Image File for vivo X21 UD (Link Updated June 11th, 2019)

2. Make sure you have Custom Recovery (TWRP) installed on your vivo X21 UD.
If not, follow tutorial on How to Install Custom Recovery on vivo X21 UD
3. Turn of your vivo X21 UD
4. Press the Volume Up and Power key simultaneously to enter TWRP Custom Recovery
How to Upgrade vivo X21 UD to Android Oreo 8.0
5. Go to Wipe, Advance Wipe, Check All the Boxes and press Wipe
6. Now transfer the file you just Downloaded for your vivo X21 UD from step 1 using Fastboot or ADB. Read Also: How to Setup ADB and Fastboot on your vivo X21 UD

7. Go to Install tab on your vivo X21 UD, and browse for Firmware file, and press Install
8. Wait for process to Install (around 15 minutes)

Thats it the tutorial on How to Upgrade vivo X21 UD to Android Oreo 8.0. Your vivo X21 UD is now on the latest Android version. If you have any question regarding How to Upgrade vivo X21 UD to Android Oreo 8.0, let us know in the discussion feed below.