Are there such mobile routers?

Question

Iron

Has anyone met routers with approximately the following set of features:
- easy imei change, without firmware for all equipment;
- rich opportunities for installing software, preferably linux
- mobility

Answer 1

Huawei routers, for example.
w3bsit3-dns.com/forum/index.php?s=&showtopic=818849&view=f...

Answer 2

Yes, for the first time I see something that routers are like a computer, in terms of capabilities