【Data Link】I would like to know the procedure for backing up and transferring data using Bandai Namco ID.

Data Transfer

【Procedure for Data Transfer → Data Link Setup Using Bandai Namco ID】
Please set up data backup or data link for your game account, then install the app on your new device and transfer your game data.
※To protect your game account, we strongly recommend setting up a backup even if you do not plan to use a new device.
Please follow the steps below to back up your game data and then transfer it to your new device.

■ Back Up Game Data with a Bandai Namco ID
① On your current device, go to "Menu" → "Data Link" → "Bandai Namco ID", then tap “Login with Bandai Namco ID” on the “Data Back Up with Bandai Namco ID” page.
② A browser will open and redirect you to the Bandai Namco ID login page.
Enter your own email address or Child Account ID and password, then complete the verification process to finish backing up your game data.
※ Please use your own mail address / Child Account ID.
If you log in using someone else’s account, you may not be able to retrieve your game data, and it may also put your account at risk of unauthorized access.

■ Transfer Game Data with a Bandai Namco ID
① Install Treasure Cruise on your new device.
② Tap the "Support / Data Link" button in the top-right corner of the Title Screen, then select "Data Link" → "Bandai Namco ID" → "Transfer Data with Bandai Namco ID", and proceed to log in with your Bandai Namco ID Account.
③ On the Bandai Namco ID login page, log in with your email address (or Child Account ID) and password, and verify the account.
④ After Treasure Cruise launches, select "Yes" when prompted to begin the data transfer.
※Please make sure that your Pirate Level and Nickname are displayed correctly before completing the process.
※You can also access "Data Link" from the in-app "Menu".

■ Important Notes
The following items cannot be transferred and cannot be restored.
　・Favorite Characters
　・Favorite Friends
　・Mail / Friend Approvals
　・Crew formation
　・Crew logs

Rainbow Gems cannot be transferred between different OS (including Rainbow Gems received free).
If you perform data transfer without claiming items such as characters or Rainbow Gems from your Mailbox, those items cannot be transferred or restored.
Additionally, if you are in the middle of a quest or Treasure Map event at the time of data transfer, you will not be able to resume that quest or Treasure Map after the transfer is completed.

For the Data Link Methods and Important Notes, please refer to the following FAQ.

【iOS】
【Android】