Share your experience!
I tested all applications for call recording, and the only one that works on the Xperia U is the "Record My Call".
https://play.google.com/store/apps/details?id=com.record.my.call&hl=en_GB
Just use Sanity
If you got time then please visit here:::::::::::::::::
TOP APPS for XPU::::
http://talk.sonymobile.com/thread/58158?tstart=0
Custom Roms::
http://talk.sonymobile.com/thread/56689?tstart=0
If you are rooted then please visit
http://talk.sonymobile.com/thread/56641?tstart=0
http://talk.sonymobile.com/thread/56642?tstart=0
If you want to root:
http://forum.xda-developers.com/showthread.php?t=1886460
Please Mark