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I got this after using multiple Samsung and Google phones, all of which had their own issues. After using it for some time, here are my impressions with both good and not so good parts. Good parts: - The build quality is good, the phone feels great in hand and has some weight to it, unlike phones like Google Pixel 5 which feels like a cheap toy. You can also watch video by JerryRigEverything, this phone does not bend easily with very strong frame. - The display quality is good, especially pixel density, which is 525 ppi. I have tried phones with lower pixel density such as Pixel 5, they're ok if your vision is good but if you have nearsightedness and have to use phone close to your face you will easily notice individual pixels on phones with lower pixel density. On OnePlus 9 Pro you will not have this issue. - The OS is better than on Samsung phones. It is close to stock, there is no bloat like on Samsung phones, many apps can be uninstalled except apps like Gallery or Netflix. It is close to Pixel phone OS, except the launcher on OnePlus is better than Google's own launcher because you can do more customizations like remove Google search bar (I don't use it) or remove stock widget from home screen (you can't do this on Pixel phones unless you will use different launcher) or do more customizations in terms of adding different icons or changing colors. OnePlus also uses stock Google dialer and messages apps, they are much better than Samsung's apps because they filter spam much better and Google's dialer has integrated visual voicemail (this feature depends on your provider, it works on Verizon but might not work with some other provider) and Google's messages app has support for RCS messaging which you can enable even if your carrier does not want to. You can also customize features such as adding black bar on top of display to hide front camera, something that Samsung used to allow but then they disabled this feature in One UI 3. The OnePlus launcher also looks better from visual point of view compared to Samsung's One UI - Samsung really overdid "rounded corners" on every pop-up message box and every menu in their phones, I really dislike it. OnePlus launcher has much less pronounced "rounded corners" in menus and message boxes which look better and hopefully something that OnePlus will never change. - The fingerprint reader works good for me, much more reliable than what I have seen on Samsung phones with their under display fingerprint readers. Just be aware that third-party screen protectors may interfere with it. - The cameras produce good photo quality, especially after latest updates. Initially the photo quality was pretty poor as you can see from all old reviews, but OnePlus has released many updates which increased the photo quality to good levels. It's still not as good as on Pixel phones but very close and with more updates will probably get even better. - The battery life is good after all recent updates. Both the standby and use time with display on are pretty good and better than similar models from Samsung. This will probably get even better with more updates by OnePlus. Not so good parts: - The phone is pretty expensive, especially without good trade-in programs. You can find Galaxy S21+ for cheaper price, especially with great trade-in program that Samsung offers. - The phone still has some software bugs which are not fixed, such as bugs with bluetooth which affects some people or bugs with automatic brightness adjustment. All of those will probably fixed with future updates but the phone should not have been released with those bugs. - The phone has SnapDragon 888 processor, it is known for high power consumption which creates high heat output. It affected many phones including phones from Samsung and also affected this model. The manufacturers are still trying to adjust this processor's power consumption in their phones, Samsung already does it well but OnePlus has not reached their level yet. You may still see overheat warnings on this model if you live in a warm climate and do things like filming 4k video at high fps. I personally hasn't experienced it but you may find other examples of it. This is something you need to be aware of before buying it.