If your QMX SA1 phone is corrupt or bricked. Download QMX SA1 stock firmware from here. To get it back to a working condition again.
All you have to do is simply download the below-given QMX SA1 firmware files and tools on your PC. And then follow the given instruction to install the Stock ROM on QMX SA1 using SP Flash Tool. This guide is also helpful to unroot. Or fix any software malfunctioning problem.