Ciao ragazzi,leggendo su xda ho trovato una cosa molto interessante su Android 4.1 : adesso possiamo usare jb su SDK!
Di seguito vi lascio il download.
Hotfile.com: 1-CLICK Dateihoster: Android-4.1-JellyBean-SDK-SystemDump.zip
MD5:9461D2F1ED6B47D939AC8C52AC798A39
Adesso quello che contiene il build.prop :
begin build properties
# autogenerated by buildinfo.sh
ro.build.id=JRN83C
ro.build.display.id=sdk-eng 4.1 JRN83C 391408 test-keys
ro.build.version.incremental=391408
ro.build.version.sdk=16
ro.build.version.codename=REL
ro.build.version.release=4.1
ro.build.date=Sat Jun 23 01:40:53 UTC 2012
ro.build.date.utc=1340415653
ro.build.type=eng
ro.build.user=android-build
ro.build.host=vpak16.mtv.corp.google.com
ro.build.tags=test-keys
ro.product.model=sdk
ro.product.brand=generic
ro.product.name=sdk
ro.product.device=generic
ro.product.board=
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=unknown
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=
# ro.build.product is obsolete; use ro.product.device
ro.build.product=generic
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=sdk-eng 4.1 JRN83C 391408 test-keys
ro.build.fingerprint=generic/sdk/generic:4.1/JRN83C/391408:eng/test-keys
ro.build.characteristics=default
# end build properties
#
# system.prop for generic sdk
#
rild.libpath=/system/lib/libreference-ril.so
rild.libargs=-d /dev/ttyS0
#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.config.notification_sound=OnTheHunt.ogg
ro.config.alarm_alert=Alarm_Classic.ogg
ro.kernel.android.checkjni=1
xmpp.auto-presence=true
ro.config.nocheckin=yes
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
Buon hacking! :P