By default, smart phone creators just like Vivo force limitations to stop you from doing certain maneuver. It can be exasperating, you can believe. To fight the limits of the maker, there is a super easy option called Root.
What is root and why should I root my Vivo X21 UD?

Whenever you desire to have full control of the Vivo X21 UD, the sole choice is definitely to root it. In tangible terms, this means that you will be a super administrator of your Vivo X21 UD. Be careful though, the manufacturer force software constraints to stop you from doing dumb actions. In the event that your smartphone is rooted, you can lock it by making bad tasks. By using a rooted Vivo X21 UD, you should be capable of:
- Amplify the speed of your Vivo X21 UD by overcloacking the CPU
- Amplify the battery life of your Vivo X21 UD
- Install / uninstall specific required applications
- Pimp out your Vivo X21 UD along with the ROM of your pick
Alert if you decide to root your Vivo X21 UD
Know that even if making root your Vivo X21 UD features numerous positive factors, we have to notify you on the subject of the risks that entails. Consequently, you may brick your Vivo X21 UD, cancel the warranty of your Vivo X21 UD, create security fails on the Vivo X21 UD and finally not having the capacity to use some applications on your Vivo X21 UD.
What to do before rooting my Vivo X21 UD?
Therefore thus, rooting your Vivo X21 UD is not a simple mission. We encourage (it is obligatory) a copy of your Vivo X21 UD. You can actually conserve the information of the Vivo X21 UD on your pc (PC / Mac) if it has data backup program. If you are afraid, do not hesitate to copy the data backup to Google Drive, Dropbox, …
Before start to root your Vivo X21 UD, you will need to ensure that it truly is totally loaded. (you may let it with the electricity cord, it can be more secure). After that, you need to head out to the settings of the Vivo X21 UD to enable USB Debugging and OEM unlocking.
Manually root your Vivo X21 UD
You may manually root your Vivo X21 UD. The procedure is a bit more tough than with the applications listed down below. Head to XDA Developers forum and do a search for the Vivo X21 UD. You will discover all the facts to manually root your Vivo X21 UD.
Root your Vivo X21 UD with software/apps
Root your Vivo X21 UD with Kingo Root
To root your Vivo X21 UD with Kingo Root, it really is truly painless. Install the application on the Vivo X21 UD and hit Root. If all proceeds well, the Kingo Root app will root the Vivo X21 UD. If you may have some complications, install Kingo Root on your pc, connect your Vivo X21 UD and follow the guidelines.

Root your Vivo X21 UD with One Click Root
Rooting your Android smartphone with One Click Root is convenient. You have to check if the Vivo X21 UD is supported by the software (Check here). If so, install the One Click Root on your computer (PC / Mac) (Download here). Connect your Vivo X21 UD to your laptop thanks to the USB cable. Let One Click Root show you to root your smartphone.

How unroot your Vivo X21 UD?
If you do not want to use a root version of the Vivo X21 UD, remember that you can undo the changes.
You can Download SuperSU. Open the SuperSU application, go to settings and click on Full Unroot. From there, the Vivo X21 UD will no further be rooted.
As described in this document, rooting the Vivo X21 UD has numerous benefits but remains a risky solution. Use the reviewed programs cautiously or you can expect to finish with an unusable Vivo X21 UD.