Oxygen OS 11.0.2.1 Review for Oneplus 7 Series! NOT UPTO MARK POOR BATTERY BACKUP

Recently Oneplus rolled out Oxygen OS 11.0.2.1 for Oneplus 7 series. Here is complete review of Oxygen OS 11.0.2.1 but its not upto mark very poor battery backup.
#Oxygenos11.0.2.1 #Oneplus7series #Review

Oneplus 7 Series Gaming test w/60 FPS, Heating & Battery drain after new Oxygen OS 11.0.2.1! : Oneplus 7 Series Gaming test w/60 FPS...
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