@Sunshine Below are requested screenshots, Below error is very frequent when i insert 5g SIM card, Even though it say's connected but intenet does't worked, Error message indicating DNS error, hence...

I recently purchased new TP Link MR100 Hardware version 2.0 from Amazon, all 4 G sim works perfectly fine but 5G SIM not working. Customer support is saying, this router only support 4G LTE network...