ASR-1001-X and IOS-XE is sometimes different and sometimes very similar to classic IOS.
Update. You can update, the firmware as usual:
# copy http: bootflash: # conf t (config)# boot system flash bootflash:asr1001x-universalk9.03.16.00.S.155-3.S-ext.SPA.bin
Show SFP (transceiver) info:
# show hw-module interface tenGigabitEthernet 0/0/0 transceiver status # show hw-module interface tenGigabitEthernet 0/0/0 transceiver idprom
.. to be continued