[HD2 Android NAND Development] jordin1128:
I'll explain my process.....

From the link, I downloaded the uninstall_ml.zip & Tytung_R11_deb.zip

In CWM, advanced, delete dalvik cache

install the uninstall_ml.zip

install Tytung_r11_deb.zip

reboot

I also tweaked my build.prop. I'll attach a copy of my build.prop that actually gave me faster data connection, not sure how it would work for you but here you go....

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ro.ril.enable.sdr=0

ro.ril.enable.amr.wideband=0

ro.ril.enable.ehplmn.feature=1

ro.com.google.clientidbase=android-htc

ro.ril.vmail.23415=1571,BT

ro.ril.vmail.27203=171

# begin build properties

# autogenerated by buildinfo.sh

ro.com.google.clientidbase=android-htc

ro.com.google.clientidbase=android-htc

ro.build.id=FRG83D

ro.build.display.id=FRG83D

ro.build.version.incremental=325797

ro.build.version.sdk=8

ro.build.version.codename=REL

ro.build.version.release=2.2.1

ro.build.date=Fri Jan 21 20:29:47 CST 2011

ro.build.date.utc=1297091697

ro.build.type=user

ro.build.user=root

ro.build.host=HPA004

ro.build.tags=release-keys

ro.product.model=HTC HD2

ro.product.brand=htc_wwe

ro.product.name=htc_bravo

ro.product.device=bravo

ro.product.board=bravo

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=HTC

ro.product.locale.language=hdpi

ro.product.locale.region=

ro.wifi.channels=

ro.board.platform=qsd8k

# ro.build.product is obsolete; use ro.product.device

ro.build.product=bravo

# Do not try to parse ro.build.description or .fingerprint

ro.build.description=1.84.661.1 CL325797 release-keys

ro.build.description=1.84.661.1 CL325797 release-keys

ro.build.changelist=325797

ro.product.ua=

ro.build.fingerprint=orange_uk/htc_ace/ace/ace:2.2.1/FRG83D/333804:user/release-keys

ro.build.project=170856

ro.product.version=HD2 CoreDroid HD V1.7

keyguard.no_require_sim=1

# end build properties

#

# system.prop for HD2

#

ro.sf.lcd_density=240

debug.fb.rgb565 = 1

rild.libpath=/system/lib/libhtc_ril.so

# Modify MMS APN retry timer from 5s to 2s.

ro.gsm.2nd_data_retry_config = max_retries=3, 2000, 2000, 2000

# HD2 Coredroid Team

ro.ril.enable.dtm = 1

ro.ril.gprsclass = 12

ro.ril.hsdpa.category = 8

ro.ril.hsupa.category = 5

ro.ril.hsxpa = 2

ro.telephony.default_network=3

wifi.interface=eth0

wifi.supplicant_scan_interval=120

ro.opengles.version = 131072

dalvik.vm.heapsize=48m

ro.ril.def.agps.mode 2

ro.ril.disable.power.collapse =0

ro.phone_storage =0

# For FOTA setting (leave empty value to use default)

# ro.htc.checkin.url = http://andchin.htc.com/android/checkin

# ro.htc.checkin.crashurl = http://andchin.htc.com/android/crash

# ro.htc.checkin.url_CN = http://andchin.htccomm.com.cn/android/checkin

# ro.htc.checkin.crashurl_CN = http://andchin.htccomm.com.cn/android/crash

# ro.htc.checkin.exmsg.url = http://fotamsg.htc.com/android/extra/

# ro.htc.checkin.exmsg.url_CN = http://fotamsg.htccomm.com.cn/android/extra/

# ro.htc.appupdate.url = http://apu-chin.htc.com/check-in/rws/and-app/update

# ro.htc.appupdate.url_CN = http://apu-chin.htccomm.com.cn/check-in/rws/and-app/update

# ro.htc.appupdate.exmsg.url = http://apu-msg.htc.com/extra-msg/rws/and-app/msg

# ro.htc.appupdate.exmsg.url_CN = http://apu-msg.htccomm.com.cn/extra-msg/rws/and-app/msg

# Release Bluetooth HW/SW information

ro.bt.chipset	= Broadcom BCM4329-B1

ro.bt.version	= Bluetooth 2.1 + EDR

ro.bt.stack	= Broadcom BTL-A

ro.bt.stack.version	= 2.0.50.032

#0x10000010010100100000011 represent bt profile list

ro.bt.profiles	= 4270339

# Properties of BTLA stack

service.brcm.bt.activation = 0

service.brcm.bt.srv_active = 0

service.brcm.bt.hcid_active = 0

service.brcm.bt.btld = 0

service.brcm.bt.btld_pid = 0

service.brcm.bt.avrcp_pass_thru = 0

service.brcm.bt.avrcp_toggle = 1

# For quick boot mode

persist.sys.shutdown.mode = hibernate

# For opensense sdk

ro.htc.common.version = 2.0.0.0

#

# ADDITIONAL_BUILD_PROPERTIES

#

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.networklocation=1

ro.setupwizard.mode=DISABLED

ro.config.ringtone=QuietlyBrilliant.mp3

ro.config.notification_sound=Zeta.mp3

ro.config.alarm_alert=NewDay.mp3

ro.config.cal_notification=Epsilon.mp3

ro.config.msg_notification=Gamma.mp3

ro.setupwizard.mode=OPTIONAL

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

ro.com.google.clientidbase=android-htc

ro.com.google.clientidbase.yt=android-htc

ro.com.google.clientidbase.am=android-htc

ro.com.google.clientidbase.vs=android-htc

ro.com.google.clientidbase.gmm=android-htc

ro.setupwizard.mode=DISABLED

ro.com.google.gmsversion=2.2_r9

media.a1026.nsForVoiceRec=0

htc.audio.alt.enable=0

htc.audio.hac.enable=0

ro.setupwizard.enterprise_mode=1

dalvik.vm.lockprof.threshold=500

dalvik.vm.dexopt-flags=m=y

dalvik.vm.heapsize=32m

net.bt.name=Android

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.media.enc.file.format = 3gp,mp4

ro.media.enc.vid.codec = m4v,h263

ro.media.enc.vid.h263.width = 176,800

ro.media.enc.vid.h263.height = 144,480

ro.media.enc.vid.h263.bps = 64000,4000000

ro.media.enc.vid.h263.fps = 1,30

ro.media.enc.vid.m4v.width = 176,800

ro.media.enc.vid.m4v.height = 144,480

ro.media.enc.vid.m4v.bps = 64000,4000000

ro.media.enc.vid.m4v.fps = 1,30

#

# Increase SKIA decode memory capability for progressive jpg file

#

ro.media.dec.jpeg.memcap	= 40000000

net.ppp0.dns1=208.67.220.220

net.ppp0.dns2=208.67.222.222

net.dns1=208.67.220.220

net.dns2=208.67.222.222

COREDROID TWEAKS & EXTRAS

ro.config.htc.nocheckin=1

ro.config.nocheckin=1

debug.sf.hw=1

mot.proximity.delay=150

ring.delay=0

ro.telephony.call_ring.delay=1000

dalvik.vm.execution-mode=int:fast

dalvik.vm.lockprof.threshold=500

windowsmgr.max_events_per_sec=260

# COREDROID ROM MANAGER INFO

ro.rommanager.developerid=coredroid

ro.modversion=HD2 CoreDroid 2.2 FROYO

# RIL Tweaks by jan-willem3@xda for HD2

ro.ril.enable.dtm=1

ro.ril.enable.3g.prefix=0

ro.ril.htcmaskw1.bitmask=4294967295

ro.ril.htcmaskw1=14449

ro.ril.hep=1

ro.ril.avoid.pdp.overlap=1

ro.ril.enable.prl.recognition=0

ro.ril.enable.managed.roaming=1

ro.ril.enable.enhance.search=0

ro.ril.fast.dormancy.rule=1

ro.ril.fd.scron.timeout=30

ro.ril.fd.scroff.timeout=10

ro.ril.oem.nosim.ecclist=911,112,999,08,118,120,12 2,110,119,995

ro.ril.emc.mode=2

ro.ril.att.feature=0

# END RIL Tweaks by jan-willem3@xda for HD2

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After installing, try reboot and see if WiFi connects. Sometimes that's all you need.