Dear Leaders,
With regard to the new feature Link a Device in version 1.5, here are the detailed clarification and instruction for you:
Proceed as follows:
1. Open Heroes Charge on both your Android and iOS devices (old device and new device)
2. Open the in-game avatar window on both devices and tap on the “Options” button
3. Press the “Link a Device” button
4. Follow the on-screen instructions
To transfer your game account, your iOS account needs to be connected to the Game Center and your Android account needs to be connected to Google+. You can verify the Game Center connection on iOS by logging into Game Center and opening the game from the Game Center's 'Games' tab. For Android, open Heroes Charge and connect your game account to Google+ in the in-game avatar window by clicking the Google+ button.
Please note that if your new account on your new device has progressed to Team Level 30 or above, or if you have bought gems for this account, the game will not generate a transfer code. If this occurs, you will not be able to transfer your old account on your old device to your new device. A simple solution would be that you create a 2nd Google+/Game Center account on your new device and create a new Heroes Charge account.
Best Regards
Ember