I just downloaded t89j-jk-bv5000-33mgu-hd-128g16g-fdd3m-bom21_BV5000_C1_Blackview_V1.5_20160612_R15_release.tar.gz But trying to perform a wireless update doesn't work with it because a ZIP is expected and the GZ-file won't show up. Do I have to convert /rename / unpack it? BTW: OTA always answers &...