BlackBerry DTEK50 and DTEK60 are the Android powered smartphone from Blackberry made by TCL. Now both are devices are started to receive February security update.
The update is available as OTA and it weighs around 100+ MB in size. The update includes February security update, bug fixes and other improvements. Currently the unlocked version are started to receive the update and carrier version follows soon. The new software version for the update is AAU660.
If you do receive the “Waiting for Wi-Fi” or “Verification Failed” messages, the BlackBerry support page lists a workaround that you might want to try. You can go to that site by clicking on this link.