[Here Maps] Nothing happens if click on "Sign in with Facebook" button

current build number: 15
device name: frieza
channel: ubuntu-touch/rc/bq-aquaris-pd.en
last update: 2016-07-04 18:00:02
version version: 15
version ubuntu: 20160629
version tag: OTA-12-rc
version device: 20160622.0
version custom: 20160624--41-15-vivid

1.Launch HERE Maps app.
2.Go to HERE Maps Settings -> Sign in
3.Click on "Sign in with Facebook account" button
4.Check the result

actual:
nothing happens.

expected:
Page should be reloaded with login page of facebook account.

Note: Error happens on Frieza only, other device like: krillin can get page reloaded after clicking