Please try the following methods to solve the issue:
1) Please restart the app and verify if the issue still exists.
2) If the issue still persists, please turn off WiFi and use 4G/LTE and check if the issue still persists.
3) LTE networks may have a speed limit due to respective internet provider networks, please verify if the connection used has a speed limit implemented.
※If the app is stored in the SD card, please move it back to device storage.
4) Download all by following the steps below within the app:
・On the top right corner of the application, tap 「三」＞「Settings」＞「Data」
※We recommend using Wi-Fi for this.
※Depending on the available storage of the device and the condition of the device, the application may look like it has been stopped for a few seconds after tapping the button.
※Having sufficient free space in the device will ensure a smooth download.
▼Customers who are using Android
If the application has been moved to SD Card, please move it back to device storage.
▼Customers who are using iOS and with WiFi
1) Turn off your Bluetooth
2) Connect to 5GHz network instead of 2.4GHz network
※Depending on your environment, there are cases where this is not supported.