In this article, we will guide you through the process of how to unlock Vivo Y400 Pro demo mode enabled phone easily with using the free demo unlock code to reuse the phone normally.
Read: Vivo Y39 Demo Mode Unlock
How to Vivo Y400 Pro Demo Mode Remove
The Vivo Y400 Pro Demo mode enables customers to view all the cool stuff & the special features on display models in retail stores. It allows interested buyers to experience the camera, games, and music while plugged in the phone.
Also read: Remove Demo Mode on Vivo Y300 & Y300 Plus

More: Vivo Y29 5G Demo Mode Remove
Demo Unlock Free Code

| Model | Unlock Code |
|---|---|
| Vivo Y400 Pro | Y400PU |
Read: Vivo Y200 Pro Remove Demo Mode
Stepts to Unlock Demo Mode using the Free Code
The following step-by-step process will let you easily remove the Vivo phone demo mode using free code. So, follow below process completely.
Read: Bypass Google FRP Lock on Vivo V30 Lite
Basic Check
1. Firstly, Connect your Vivo Y400 Pro Demo enabled Phone to a WiFi network.
2. Check notification panel, there you will see Demo Mode enabled.

3. If “Demo” is not displayed, your phone is already run in normal mode.
3. If So, Then the following tutorial will be helpful.
4. First, Go to installed apps and open “Demo Switch”.
5. If the app is not found, then follow the below tutorial.
Also check: Remove Demo Mode on Vivo X90 Series
Install Demo Switch App

1. Download the app or scan the below QR code to download the Demo Switch app.

2. Next, install the “Demo Switch“.
3. Open the Demo Switch app.
Read: Hard Reset Vivo Y300i
Enter the Demo Unlock Code
1. Next, you need to use the free code to unlock the Demo Mode.
2. Type: the demo unlock code for Vivo Y400 Pro: Y400PU
3. Now the phone Will restart.
4. Wait for power On.
5. Then you will see the Demo Mode will be Removed.
6. That’s it.
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