Gianni.. aspetta che prima o poi una soluzione valida la si trova...
http://forum.xda-developers.com/show...&postcount=248 chi vuole provare...
JellyBean version
#115
https://www.dropbox.com/s/qcvk3b3dfzoja9v/Air_Kernel_n115_384_JBN.zip
ChangeLog :
Adjust MPU Clocks and voltage
(350 / 720 / 1050 / 1200 / 1350 / 1500 / 1600)
Add JRCU (from Air Kernel ICS)
Add Fast Charge (from Air Kernel ICS)
Add PegasusQ governor (from Air Kernel ICS)
Oppure FuguMOD
http://fugumod.org/galaxy_nexus/