This means that the 5G network is not available in India right now because the telecom companies haven't bought the spectrums yet.
And hence no service is available. Auctions aren't done to the full extent as well.
The Realme X3 is a better device as it gives better specifications.
Processor: The Realme X3 comes with the Qualcomm Snapdragon 855 Plus processor whereas the Redmi 10x comes with the MediaTek MT6875 processor.
Camera: The Realme X3 has a camera of 64 MP + 12 MP + 8 MP + 2 MP with F1.8 aperture whereas the Redmi 10x has a camera of 48 MP + 8 MP + 2 MP with F1.79 aperture.
Check Full Comparison Realme X3 vs Redmi 10x
I am not sure about it but according to a Xiaomi, This mobile is going to launch in the month of September or October
Xiaomi Redmi 10X has not been released yet.
However, the device is expected to come with a Hybrid Sim Card Tray.
This lets the User either to house 2 Nano Sim Cards or split 1 Nano Sim Card with a Micro SD card.
Also, do not forget to find all the detailed specifications and other latest updates related to Xiaomi Redmi 10X here.