Yes. If you can't access fastboot and the OS, you need to use the Emergence Download Mode (EDL) for you phone (volume down + power).
XDA forums has all the steps and guides to unbrick your device.
-
Download your firmware file (please check your SoC due to the different phone variants).
-
Download and compile the QDL tool with some more details about QDL here.
-
Enter EDL mode.
-
Flash your firmware as described by the first link in step 2.
-
Profit????
I don't know about the telemetry, but my smart tv runs like shit after being on for a few hours. Only a full power cycle makes it work properly again.