The steps you need to follow differ depending on the OS you used before transferring your LINE account.
For LINE accounts transferred between Android devices
You need to use the same Google account you used when purchasing your plan. If you're not using the same Google account you used when purchasing your plan or are using a device with a different OS than before, you will not be able to transfer and use your LINE Stickers Premium plan.Log in to Google Play with the Google account you transferred your LINE account with and see if the plan you're subscribed to appears on the Subscriptions screen.
If you were using LINE Stickers Premium with a previous Google account, cancel your plan with the steps in the following page.
Cancel, pause, or change a subscription on Google Play
After doing so, sign up for LINE Stickers Premium again from the device you're currently using.
For LINE accounts transferred from an iPhone to an Android device
If you transferred your LINE account to a device with a different OS, you need to change your subscription to continue using LINE Stickers Premium.• Cancel your LINE Stickers Premium subscription on iOS with the steps in If you want to cancel a subscription from Apple.
Note: You can use your plan from your previous OS until it expires only on the previous OS.
• Sign up for LINE Stickers Premium on Android.
Note: You cannot use LINE Stickers Premium on your new OS until you sign up for it with that OS.