completely, then connect it to the PC via USB while holding the or Volume Down key (boot keys vary by hardware revision).
: Open SP Flash Tool, click on the 'choose' button for "Scatter-loading file," and select the MT6755_Android_scatter.txt from the firmware folder. completely, then connect it to the PC via
: Set the drop-down menu to "Download Only" (recommended for fixing bugs) or "Firmware Upgrade" (if the phone is boot-looping). Connection : Click the 'Download' button in the tool. Power off the QMobile A1 completely, then connect it to the PC via