Yes, that would work without any problems, provided your 5G reception is good.

If you remove the eSIM from your router, you should still be able to use a normal SIM card. The ZTE MC888 supports the use of a nano-SIM card for network connectivity, as indicated in its quick start guide. Removing the eSIM would simply eliminate the specific network information associated with it, allowing you to insert and use a traditional SIM card instead.

I was able to do a search and unfortunately there is no indication in the data or specification that would suggest a modification or operator. We have various suppliers for this product. Unfortunately, I cannot name any here. If the product does not fit, we also have a return policy. You can find more details on returns or the conditions if the packaging has been opened in the following link: Return policy

Unfortunately, I do not remember and no longer have the possibility to verify this. I only remember that port forwarding did not work

According to the manufacturer, this should be possible.

Hello :). According to our supplier it is the EU-Version. The firmware currently is BD_LIVEUKMC88V1.0.0B02.

Hello, no this is not possible.

The MC 888 has the possibility to use the bridge mode. Unfortunately, a detailed manual is not available for download.