Now let me move on to share my usage experience with the phone:
1. I love the design of the OnePlus 15 this year, especially the camera portion. Minimalist look. Sandstorm color looks nice. Sides of the phone has a special texture compared to the normal colorway. Special technique of using high voltage electrical current is used to oxidize the aluminium instead of using the traditional technique of using acid. This forms a ceramic-like coating on the aluminium which makes is even stronger than titanium. (This is being explained in detail during the OnePlus event which I have attended)
However, do note that Sandstorm colorway's back is made of glass fiber instead of glass on the black and purple variant. For some hardcore enthusiast out there and from what I read, glass is able to dissipate heat better compared to the glass fiber.
For purple color variant, do note that the glass is slightly raised compared to the black and sandstorm variant as it is a 2.5D glass at the back, where the curved part is not matte, so when light hits it, there will be a light ring reflecting off the phone.
Purple:
Sandstorm:
2. Gorgeous 1.15mm thin bezel
FLAT display. I cant emphasize enough how much I love the flat screen this time round. It is like a dream came through. Test fitted with a tempered glass from Taobao, works fine without any issues for the ultrasonic fingerprint sensor. OnePlus also has the AR tempered glass available for sale or as part of the free gift during the pre-order phase.
3. Haptics does not make much of a difference to me when compared to OnePlus 13. Some reviews did mention it is weaker, but nothing on the bad side. Still as solid as it is, one of the best in Android market.
4. L1 + L5 GPS
5. Benchmark screenshots:
Antutu:
Geekbench 6:
Wildlife Extreme:
Phone heat up quite a bit during the benchmark. The sides are warm but not uncomfortably hot to touch. Guess the vapor chamber is doing it's job as during the event, OnePlus did mention that the special technique used to oxidize the aluminium will improve thermal performance as well.
6. Gaming performance is good so far. Was having long sessions of Diablo Immortal and Mobile Legend.
7. Battery life is superb. Yielding about 10 hours of screen on time with about 1 hour+ of Diablo Immortal session. Gaming battery drain is good compared to some phones I owned. Guess the optimization OnePlus specially did pays off?
To add on, based on my experience, battery life is slightly better than Find X9 Pro despite the bigger battery on Find X9 Pro.
8. WiFi chip performance seems good. I can even receive WiFi connection at Level 1. My house is at Level 13 btw

So far, all the phones would have lost connection at Level 1 despite still connected to it. However, I did not encounter any high latency during gaming, and WiFi performance seems decently well for me especially when comparing it with 13R which I will encounter random dropoff issue which I need to Off and On the WiFi to solve it.