That’s only on their local android varieties though. That looks like a Xiaomi/Redmi phone? In that case head over to xiaomi.eu, download the EU version of the ROM, and flash it following the instructions there, it’s very straightforward.

With Oppo and OnePlus phones it’s equally simple, there are a ton of how-to’s over on forum.xda-dev.com for all models. If you stay in China, best get their Indian ROMs, the EU ones have some mobile bands inactive that are not in use there, but are in Asia.

For other phone manufacturers, it’s anywhere between trivial and impossible (Huawei for example). Xda-dev is your best source of info usually.