I have the same problem, with or without duraspeed...

Are you italian? Dall'immagine penso tu sia italiano, hai risolto ? sai se c'è un centro assistenza ? Ciao si sono italiana. Gearbest mi ha fatto rispedire indietro il telefono, adesso devo aspettare che arrivi e poi vediamo come si comporta l'assistenza. Yes I'm Italian. I sent back Gearbest the p...

An update: flickering and black screen problems increase as phone temperature rises, either for intense use or because it is charging ...
Can someone help me? Because so the phone is useless and I need it.

I bought on Gearbest the new BV8000 PRO and the phone worked fine ... for two days! Then the screen suddenly began to flicker and become dark in the lower 2/3 of the screen, with so many horizontal limbs as seen in the attached photo (I did a video but I could not attach it). This happens suddenly, ...