With the other 4 or 5 android phones i have had i have to flash them to get working like the Nexus 4.
The vast majority of ROMs screw up your phone.
Loads praise the latest ROM, maybe without ever using, until you read through the hundreds of comments and see small niggles like..........
No SMS, no working microphone, no Wifi.
Strangely, I've never had any problem with a phone 'as is'.
'Working like the Nexus 4'. Now what does that mean. I dread to think.