The device also passed MIIT certification in China.

Yesterday brought news of the upcoming iQOO 8 flagship which will likely debut as the first Snapdragon 888 Plus phone on August 4. Now, we get more confirmation on the devices name as well as some of its key specs thanks to several tips from China.
iQOO 8 poster
Noted tipster @WhyLab shared an image of an iQOO 8 poster complete with FlashCharge branding. In related news DigitalChatStation also confirmed the upcoming phones name and V2141A model number. The tipster also shared some key specs directly from the phones About section.
iQOO 8 about section and specs
We can see it is indeed powered by the Snapdragon 888 Plus paired with 16GB RAM (4GB of which are virtual) alongside 256GB storage. The phone boots Android 11 with OriginOS 1.0 on top. The device is also said to feature a 1440p screen and a high refresh rate.
iQOO 8 listing on MIIT
In addition, the same V2141A phone believed to be the iQOO 8 passed through Chinas MIIT database revealing its supported GSM band list and not much more. Well make sure to stay up to date and report back on any new findings of the iQOO 8.
Source 1Source 2 (both in Chinese) | Via 1Via 2