Step by step of how I unlocked, installed xiaomi.eu and rooted my phone Xiaomi Ultra 15 XUANYUAN global bought in Sweden, 2025-03-15

[Pelayo]

Huawei was the last I knew did that, thus → Xiaomi for me... and all the backdoor etc. stuff...
Yes, root is needed for any hiding of unlocked bootloader etc. but as he said: "I have no idea how to root and I'm afraid I won't be able to use banking apps".

@Rocio_Jurado There might be a modified apk for whatsapp that patches away it, or revert&lock to stock xiaomi, or learn to root.

Yes, of course there is. Ultimately, with root, you own your phone. There are no locked doors; you can do whatever you want; you just need the knowledge. In the specific case of WhatsApp.Use Wa Enhancer