[Q] Black Screen Chinese Android Phone 9930 - Android Q&A, Help & Troubleshooting

Hello guys,
That´s not the first time i´m helped in this forum, and i need your help again. First, i´m going to put here the basic technical details of this chinese phone bought on Focal Price:
4.7 "Android 4.0.4 MTK6577 1.2GHz 3G Smartphone Android Phone com Wi-Fi, GPS, Bluetooth, Capacitive Touch Model: 9930
So, here´s the situation: Yesterday, i decided to factory reset my phone to wipe all data and i done that this way: Settings - Backup and Reset - Factory Reset. After this, my phone reboot and now the operative system does not launch. The screen lights on but doesn´t do nothing, neather the logo appears. I´ve tried to pull out the battery, full charged it and some other things and remains the same.
I´ve tried to go to Recovery mode but i don´t know how to access it in this chinese phone. I´ve tried Vol Down + Power Button, Vol Up + Power Button, Home + Power Button...doesn´t do nothing, only black light screen.
There´s any way to resolve this or enter in recovery mode with this chinese phones?

Black Screen Chinese Android Phone 9930
Hello again,
I have found that i can entered recovery mode in this phone by entering Vol UP+ Power, because i´ve tried in other chinese mobile. But in this one, by pressing this some seconds, the phone reboots again and the black screen presists. Do you know any other way to fix this?

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