OnePlus 9 series is really worth buying, let me tell you the reason!
In terms of configuration, the OnePlus 9 uses a 6.55-inch left-side dot flexible AMOLED display screen with a resolution of 2400×1080, 120Hz refresh rate, equipped with Snapdragon 888 processor, LPDDR 5+UFS 3.1+USB 3.1, 4,500mAh battery, 65W wired fast charging, X-axis linear motor, and dual stereo speakers. The weight of the whole phone is 183g.
OnePlus 9 Pro uses a 6.7-inch Samsung E4 material top AMOLED left dot curved screen with a resolution of 3216×1440, supports LTPO automatic frame rate adjustment technology and native 10bit display, 120Hz refresh rate, is equipped with Snapdragon 888 processor, LPDDR 5 +UFS 3.1+USB 3.1, 4,500mAh battery, 65W wired fast charge and 50W wireless flash charge, X-axis linear motor, stereo dual speakers, supports IP68 waterproof and dustproof, the weight of the whole phone is 197g.
So which one do you prefer?
John Shen 
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Mike Lee-111