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dTV login method / Thorough explanation of solutions for cases where you cannot login!

| Lemino |
Updated on May 27, 2024 | 10 Minutes Reading
This article will thoroughly explain how to login to dTV and solutions for when you can't login, so please check it out.

「I heard that you can have a free trial, but how can I log in to dTV?」

「I have been able to log in normally before, but suddenly I can't log in. What should I do?」

If you have experienced situations like the above, you must be in distress. Don't worry! In this article, we will thoroughly explain the login process for dTV and solutions for when you cannot log in, so be sure to check it out.

What is dTV?

dTV is a video distribution service that allows you to start watching as soon as you feel like it and cancel as soon as you lose interest. You can enjoy approximately 120,000 titles for a monthly fee of ¥550 (tax included).

Previously, it was a service that could only be used by NTT Docomo mobile users, but now it is available to anyone who obtains a d account. It is recommended for those who are considering using video distribution services for the first time. Below are some key features summarized for your convenience, so be sure to check them out.

dTV Login Methods by Device "Explanation of Login Screens from Smartphone, PC, and TV"

The process of logging into dTV from a smartphone and PC is almost the same; you can log in immediately by entering your d account ID and password. (We will explain in detail how to handle it if you forget your ID and password later.)

However, if you want to watch dTV on your smartphone or tablet, you will need to download a dedicated app. There are both Android and iOS versions of the app, so choose according to the device you are using. For PC, since there is no app, you will log in from the official website.

When it comes to watching videos on TV, there are three methods available. The first is to use an HDMI cable to connect your smartphone for viewing. The second method is to use devices such as Chromecast or Fire TV stick to connect your smartphone to the TV. The third method is to watch on a smart TV compatible with dTV, such as Toshiba's Regza or Sony's Bravia. In other words, by using a "dTV compatible TV" and downloading the dTV app, you can easily enjoy videos on TV. Here, we would like to explain the login method on a "dTV compatible TV".

How to Log in to dTV from Smartphone or Tablet

First, let's look at the login method from a smartphone or tablet.

If you are watching on a mobile phone or tablet, you will need to download the "dTV app". If it is not installed, please refer to the following.

【dTV Official App】

App Store
Google Play

  1. Launch the dTV app and go to the login page

Once you have successfully downloaded, launch the application. Upon doing so, the screen as shown above will appear. Please tap on the "d account login/issue" button at the top, or the "If you are already a dTV member, log in" button at the bottom right.

  1. Enter your d account login information (for dTV members)

After entering the ID or email address you registered with during membership registration, tap on "Next." This will display the following screen. (For those without a d account, first perform the membership registration process or tap on the "Issue d account" button to obtain a d account)

Next is password entry. Input the password you set during membership registration, and then tap "Log in" to complete the process.

If you happen to forget your d account login ID or password, you can reissue them on the following page. Just follow the instructions, and you will be able to resolve the issue promptly, so do not worry.

How to login to dTV from a personal computer (PC)

Logging in from a PC is primarily done through the official page. It is almost the same process as logging in from a smartphone.

  1. Access the login page from dTV's official page

Upon opening the dTV homepage, click on either "d account login/issue" or "If you are already a dTV member, log in" to access the login page for your d account.

2. Enter your d account login information (for those who have already registered as dTV members)

Upon accessing the login page, please start by entering your d account ID. (The ID is either the one you registered with during membership registration or the email address you used)

After entering, click on "Next."

Once the page changes, enter your password. (The password you set during membership registration)

Finally, click on "Log in" to complete the process!

How to login to dTV from a "dTV-compatible TV"

Here, we will explain how to log in from your television to dTV.

As mentioned earlier, you can enjoy dTV videos using a "dTV-compatible television." If you are unsure whether your home television is a "dTV-compatible television," please check below.

"dTV-compatible television"

Steps to log in to dTV from your television

Prepare a smartphone, tablet, or computer that can use dTV, and follow the steps below to watch.

1. Start dTV on your dTV-compatible television.

2. From the menu page, open "Login/New Member Registration."

When you open the login screen, an 8-digit number (serial key) will be displayed on the screen, as shown below!

3. Next, open dTV from the app or computer.

4. When you open the menu from the dTV app, select "Others"→"Account." The steps are similar for the computer version (select "Account" from the computer menu).

5. Select "Login with serial key" and enter the 8-digit serial key displayed on the television. Once you have entered it, the login from the television is completed under "Settings"!

6. After logging in, select "Back" and you can start watching dTV on your television!

Solutions if you cannot log in to dTV

Sometimes, even if you have been able to log in normally, there are occasions where suddenly you cannot log in. This may be due to incorrect registration ID and password, poor communication environment, or a malfunction on the dTV side. Let's explore various factors that could be causing this.

We will introduce common points when you are unable to log in successfully from now on, but first, let's check the method that you should have done earlier.

Try restarting the app (or device)

In order to avoid saying "I tried all the solutions in this article..." before checking the following, please try restarting the app (or device). There are many cases where just restarting solves the issue, so be sure to start with this!

Check if your dTV membership registration is complete

It is a common scenario where due to not completing the registration process properly, the account is not issued fully, thus you cannot log in.

What to do⇒After completing the membership registration, double-check if you have received the "Registration Completed" email.

Check if your dTV login ID and password are correct

Among the cases where you cannot log in, a common issue is the "mistake in ID or password."

What to do⇒For those who tend to forget their "IDs" and passwords, it is recommended to note them down on your smartphone when registering as a member.

When entering information, please be sure to check before tapping the input button. (Unlike logging in from a PC, when logging into the app on a smartphone, the function to remember passwords cannot be used).

If you enter your ID or password incorrectly several times, you may be locked out. So, when entering information each time, let's proceed calmly. If you happen to be locked out, check the solution below!

What to do ⇒ You can reissue from this link.

Check if you have exceeded the device limit

dTV allows up to 5 registered devices to be used, and if you exceed the limit, you won't be able to log in.

What to do ⇒ Open the dTV app, select "Account" from the menu, and tap on "Device Management." Select the device to be deleted, and then tap on "Apply settings."

Check if your internet connection is poor

In many cases, you may not be able to log in due to poor Wi-Fi connection, so if this happens, try reconnecting to Wi-Fi in a location with a good connection.

Check if the payment has been processed

If you are already using a paid service, you may not be able to log in because the payment has not been completed. So, make the payment and try logging in again.

If the credit card has expired and you have not updated the expiration date of the card information you have registered, the payment may not be successfully processed, so please check with the card company or Docomo's payment history.

The final resort is to contact dTV directly

If you have tried all the solutions mentioned above, but still cannot log in to dTV, contact dTV directly through the "Inquiry" section.

"Inquiry" (Click here)

Before contacting, check the "Frequently Asked Questions" section as you may find a solution there. If you still cannot find a solution, please contact us via the "Inquiry" link at the bottom of the page.

What are the dTV pricing plans?

The pricing structure of dTV is very simple, with a monthly fee of 550 yen (including tax) for unlimited viewing of over 120,000 titles, making it one of the most cost-effective compared to other video streaming services. Additionally, rental fees vary depending on the title, and it's a bonus that you can use dpoints for purchases. Moreover, you can use the service for free for 31 days, making it highly recommended for those considering using the initial video streaming service. In summary, please refer to the following information.


This time, we discussed the login method for dTV (by device) and solutions for cases where login is not possible. While there are some paid works available, in terms of cost performance, dTV is considered top-notch in the industry. You can also try out the service for free, so if you are a fan of Korean dramas, be sure to give it a try. After logging into dTV, if you have any videos you would like to download on your computer, please try KeepStreams.

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Hyo Kobayashi
I have a passion for everything, from IT to DVDs, novels, and comics. With over two years of expertise, I excel in DVD copying and IT. I keep up-to-date with the latest trends and enjoy engaging in discussions about technology and hobbies. Feel free to join in!
Jessie Smith
Jessie Smith
If you are interested in what KeepStreams can save, movie should come first for one of its best features.

KeepStreams support most OTT platforms and movie streaming services, we offer great service to maintain the integrity of our brand experience.

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