To order this services following steps must be considered.
For MediaTek Processor :-
1. The device should be able to boot into BROM/PRELOADER Mode. Sometimes, battery may be needed to disconnect and reconnect for booting into BROM/PRELOADER Mode.
In Some Case BROM/PRELOADER Mode is connected unless MediaTek USB Driver is installed on PC. You Can Download it From Here [Download Link]
2. Find My Device of the phone must be turned off before placing the order. You can check it by clicking BY CLICKING HERE. If its turned off you can proceed to the order. If not, then you can turn it off BY CLICKING HERE.
3. You must have the fastboot rom of your device according to its variant(Global, Chinese, Russian, Indian etc.). In case of wrong rom once EDL is authenticated, no refund is processed.
4. You must download latest version of TeamViewer in your PC. DOWNLOAD TEAMVIEWER BY CLICKING HERE