Za 20 minut będzie gotowy do pobrania.
Co do tweaków to na ics nie ma dużo bo sam w sobie jest z optymalizowany.
# Google
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.com.google.clientidbase=android-google
ro.com.android.wifi-watchlist=GoogleGuest
ro.error.receiver.system.apps=com.google.android.feedback
# Video acceleration
video.accelerate.hw=1
#Smooth
debug.performance.tuning=1
debug.composition.type=hw
windowsmgr.max_events_per_sec=150
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
ro.ril.avoid.pdp.overlap=1
#Connection tweaks
net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960
net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960
net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960
# Google
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.com.google.clientidbase=android-google
ro.com.android.wifi-watchlist=GoogleGuest
ro.error.receiver.system.apps=com.google.android.feedback
#Strefa czasowa
persist.sys.timezone=Europe/Berlin
#Ikona debugowania
persist.adb.notify=0
#Opoznienie dzwonka
ro.telephony.call_ring.delay=100
#Akceleracja wideo
video.accelerate.hw=1
#Smooth
debug.performance.tuning=1
debug.composition.type=hw
windowsmgr.max_events_per_sec=150
pm.sleep_mode=1
ro.ril.disable.power.collapse=0
ro.ril.avoid.pdp.overlap=1
#Jakosc zdjec
ro.media.enc.jpeg.quality=100
ro.media.dec.jpeg.memcap=8000000
ro.media.enc.hprof.vid.bps=8000000
#Tweak polaczen bezprzewodowych
net.tcp.buffersize.default=6144,87380,110208,6144,16384,110208
net.tcp.buffersize.wifi=262144,524288,1048576,262144,524288,1048576
net.tcp.buffersize.lte=262144,524288,1048576,262144,524288,1048576
net.tcp.buffersize.hsdpa=6144,262144,1048576,6144,262144,1048576
net.tcp.buffersize.evdo_b=6144,262144,1048576,6144,262144,1048576
net.tcp.buffersize.umts=6144,87380,110208,6144,16384,110208
net.tcp.buffersize.hspa=6144,87380,262144,6144,16384,262144
net.tcp.buffersize.gprs=6144,8760,11680,6144,8760,11680
net.tcp.buffersize.edge=6144,26280,35040,6144,16384,35040
#DNSy google
net.dns1=8.8.4.4
net.dns2=8.8.8.8
#Przerwa w wyszukiwaniu sieci
wifi.supplicant_scan_interval=300
#Polaczenia z numerami alarmowymi bez SIM
ro.ril.oem.nosim.ecclist=911,112,999,000,08,118,12 0,122,110,119,995
#bez karty SIM
keyguard.no_require_sim=true
#inne
profiler.force_disable_err_rpt=1
profiler.force_disable_ulog=1
#nieubijanie Launchera
ro.HOME_APP_ADJ=1
Co do pobierania to udał mi się kawał dobrej roboty i myślę że to jest najszybsze i najbardziej funkcyjne MIUI. Wystarczy zobaczyć w changelogu.