In order to transfer your LINE account, you will need to have the following set up BEFORE changing devices. We recommend writing down your registered email address and password from steps 1 and 2 before moving on to step 3 and 4.
Check out this video for the entire account transfer process.
1. Have an email address registered to your LINE account.
To check your registered email address, please see this article.
2. Set a password when you registered your email address.
You will not be able to view your password on your device.
If you have forgotten your password, please see this article.
If your registered email address is no longer available and you have forgotten your password, please see this article.
3. Turn ON the Allow Account Transfer setting.
This step is not required if your registered phone number will not change.
For more information about the Allow Account Transfer setting, please see this article.
4. Back up your chat history.
Before changing devices, it should be noted that you cannot transfer your chat history or Coin balance between different OSes (e.g. Android to iOS and vice versa).
After changing devices, please install the LINE app on your new device and select Log in to transfer your account.
See here for STEP 2.