G_Saif_Syed_Mohammd_FYkX , via OnePlus 8 , Jul 15, 2020 : I have oxygen os 10.5.7.IN21DA. It's a new OnePlus 8. It charges very slowly. Only at 2 amps or 3 amps even when the battery is in the range 1% to 10%. Warp charger on OnePlus 8 isn't of any use.