Originally Posted by schnidex
To change the boot splash screen requires the boot image to be unpacked and modified which, although not difficult. requires the ability and know-how to do it. There are many guides to this and Doomlord has published something along these lines for previous 2011 Xperias amongst others.
The CM boot animation is in /system/media. I guess that if you have to ask this, you have little idea of how to modify or change this yourself and are therefore at the mercy of a prebuilt boot animation from the many sources on XDA.
Samsung Omnia 7 (Good noddy phone for Mrs Ash)
Sony Xperia ZL - Actually better than the Z for me - and LOUD!
LG G2 D802 - rooted Stock with Bloat removed
HTC One - good and terrible in One package