- Fix handling of multipart data-only SMS messages - Fix SMS notifications for some Qualcomm devices - Fix QCDM registration checking - Send 'State' property changed signals - ZTE: support more devices - ZTE: support for PPP- and DHCP-based devices that use Icera chipsets - ZTE: fix allowed mode response handling - ZTE: power modems down when disabled - Huawei: fix intermittent issue with newer devices not being recognized - mbm: power modems down when disabled - mbm: add support for Ericsson H5321 (found in Thinkpad X230) - Sierra: fix detection of APP1 ports broken by 0.5.2 - Sierra: fix signal quality checking on devices that use PPP - Sierra: more reliable data connections with the USB305/Lightning - Icera: retry configuring PDP context if it fails - Novatel: fix checking of CDMA Extended Roaming Indicator