Go to About Phone . These 2 shows the nessesary data to know the region and installed software. If you mention model number and build it’s possible to identify it. W1610128482931 likes this.
Read moreIs OnePlus 9 Pro Chinese?
Technically there is the Chinese version which runs ColorOS , then there are 4 versions of the Oneplus 9 Pro for the rest of the world, India, Global, EU and North American (T-Mobile/Verizon). Essentially the differences are mainly down to the 5G network bands for each version.
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