LINE Hello BT21 is an Android app developed by LINE Corporation (東京都新宿区新宿四丁目1番6号).

LINE Hello BT21 first became available on 02 Jul 2019. It is estimated that LINE Hello BT21 has been downloaded between 1000000 and 5000000 times from the Play Store.

LINE Hello BT21 1.4.0 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Allows applications to open network sockets.

Allows an application to call killBackgroundProcesses(String).

Allows an application to read from external storage.

Allows access to the vibrator.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.