If your account is not successfully transferred, your friends, groups, and other data will be deleted.
For more information about your friends and groups disappearing after transferring your account, see this Help article
Even if your account data is lost, we may be able to transfer your purchased stickers and some other types of paid items if you contact us. To do so, please create a LINE account and send an inquiry from the following link:
The following can be transferred:
• The right to use your LINE stickers and themes (including those received as gifts)
• Your item purchase history and Coin balance
Note: Coins cannot be transferred between different OSes (e.g. from iOS to Android and vice versa).
• Your Credit balance purchased from LINE STORE
Note: Any account data that is not mentioned above (including your friends, chat history, and groups) cannot be transferred.
If you lost LINE Game items or data, please send an inquiry from within the relevant game app.
Let us know if we can make it better.