[8125, K-JAM, P4300, MDA Vario ROM Development] huangyz:
I suggest not install RegFix.cab after flash and hardreset, I've found several reg keys in it are missleading, including the Ring problem.

Here is the reg keys dump, bugs are marked in red:

REGEDIT4

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shell\TaskBar]

"LimitedClock"=dword:00000000

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\RIL]

"EnableDifferGprsEdgeIcon"=dword:00000001

"ImmediateCBMSupport"=dword:00000000

[HKEY_LOCAL_MACHINE\System\GDI\ClearTypeSettings]

"OffOnRotation"=dword:00000001

[HKEY_LOCAL_MACHINE\System\GDI]

"FontLinkMethods"=dword:00000000

[HKEY_LOCAL_MACHINE\Comm\Afd]

"DgramBuffer"=dword:0000000a

[HKEY_LOCAL_MACHINE\Software\OEM\PhoneSetting]

"ShowTimeZonesPage"=dword:00000001

"ShowPIN2Page"=dword:00000001

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

"ClearTypeText"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

"EnableAutodisconnect"=dword:00000001

"MaxConnectionsPerServer"=dword:00000008

[HKEY_CURRENT_USER\Software\Microsoft\Inbox\Settings]

"SMSDeliveryNotify"=dword:00000001

[HKEY_CLASSES_ROOT\cabfile\shell\open\command]

@="wceload.exe \"%1\" /nodelete"

[HKEY_LOCAL_MACHINE\Software\OEM\3rdversion]

"MSYSTEM"="mUn v.02"

[HKEY_LOCAL_MACHINE\Comm\TNETWLN1\Parms]

"dot11SupportedRateMaskG"=dword:00000008

"dot11SupportedRateMask"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]

"Cache"="\\Storage Card\\Temporary Internet Files\\"

"History"="\\Storage Card\\History"

"Cookies"="\\Storage Card\\Cookies"

[HKEY_LOCAL_MACHINE\ControlPanel\Keyb] <--should be HKCU\ControlPanel\Keybd

"EnableIndicator"=dword:00000001

[HKEY_LOCAL_MACHINE\Software\Microsoft\Calendar]

"ShowLunarCalendar"=dword:00000001

[HKEY_LOCAL_MACHINE\Software\Microsoft\Obex]

"IsEnabled"=dword:00000001

[HKEY_CURRENT_USER\ControlPanel\Keybd]

"EnableIndicator"=dword:00000001 <--yes, it's right here to work

"MuteSwitch"=dword:00000001

"ShowWarningMsg"=dword:00000001

"DefaultKeyLock"=dword:00000001

"RepeatRate"=dword:00000008

"InitialDelay"=dword:00000177

"Locale"="0419"

[HKEY_LOCAL_MACHINE\ControlPanel\GPS Settings]

"Group"=dword:00000002

"Hide"=dword:00000000

[HKEY_LOCAL_MACHINE\System\GWE]

"Animate"=dword:00000000

[HKEY_LOCAL_MACHINE\System\GWE\Menu]

"AniType"=dword:00000000

[HKEY_LOCAL_MACHINE\Software\Microsoft\shell]

"TBOpt"=dword:00000001

[HKEY_CLASSES_ROOT\CLSID\{6DA68A63-5298-4ea4-B17C-98AD5704A3E0}]

@="MenuExtHelper"

[HKEY_CLASSES_ROOT\CLSID\{6DA68A63-5298-4ea4-B17C-98AD5704A3E0}\InprocServer32]

@="\\Windows\\PPCContactsMgr.dll" <--do we have this dll in rom??

[HKEY_LOCAL_MACHINE\Software\Microsoft\Shell\Extensions\ContextMenus\Contacts\Main_ContextMenu\{6DA68A63-5298-4ea4-B17C-98AD5704A3E0}]

@="Manage Contacts"

[HKEY_LOCAL_MACHINE\Software\Microsoft\Shell\Extensions\ContextMenus\Contacts\Main_Tools\{6DA68A63-5298-4ea4-B17C-98AD5704A3E0}]

@="Manage Contacts"

[HKEY_CLASSES_ROOT\CLSID\{7AAC2B28-5DD1-4052-81DD-E17114EE96B6}]

@="WMP Mobile A2DP Plugin"

[HKEY_CLASSES_ROOT\CLSID\{7AAC2B28-5DD1-4052-81DD-E17114EE96B6}\InProcServer32]

"ThreadingModel"="Free"

@="Avrcp_MPplugin.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Bluetooth\Services\0000110B-0000-1000-8000-00805F9B34FB]

@="Wireless Stereo"

"bthutil.dll"=dword:00000000

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\BtA2dpSnd]

"Flags"=dword:00010002

"Index"=dword:00000008

"Order"=dword:00000008

"Prefix"="WAV"

"Dll"="bta2dp.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Navigation]

"4-Way Nav"=dword:00000001

[HKEY_LOCAL_MACHINE\ControlPanel\WrlsMgr]

"Redirect"="\"\\Windows\\CommManager.exe\""

[HKEY_LOCAL_MACHINE\Software\Baniaczek\StartUp Manager\Links\StartUpMgr Helper.lnk] <--what's this?

"Hide"=dword:00000001

[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\QwertyKey]

"Priority256"=dword:00000081

[HKEY_CLASSES_ROOT\.jad]

@="jmm.jadfile"

"Content Type"="text/vnd.sun.j2me.app-descriptor"

[HKEY_CLASSES_ROOT\.jar]

@="jmm.jarfile"

"Content Type"="application/octet-stream"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}]

@="JADFile Class"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\Control]

@=""

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\InprocServer32]

@="\\Windows\\jmmfilter.dll"

"ThreadingModel"="Both"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\ProgID]

@="jmm.jadfile.1"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\TypeLib]

@="{4f94a7e5-c36a-46b8-8829-4f82ee718290}"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\Version]

@="1.0"

[HKEY_CLASSES_ROOT\CLSID\{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}\VersionIndependentProgID]

@="jmm.jadfile"

[HKEY_CLASSES_ROOT\jmm.jadfile]

@="JADFile Class"

"EditFlags"=dword:10010000

[HKEY_CLASSES_ROOT\jmm.jadfile\CLSID]

@="{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}"

[HKEY_CLASSES_ROOT\jmm.jadfile\CurVer]

@="jmm.jadfile.1"

[HKEY_CLASSES_ROOT\jmm.jarfile]

@="JARFile Class"

"EditFlags"=dword:10010000

[HKEY_CLASSES_ROOT\jmm.jarfile\DefaultIcon]

@="\\Windows\\Jmm.exe,-4"

[HKEY_CLASSES_ROOT\jmm.jarfile\Shell\Open\Command]

@="\"\\Windows\\Jmm.exe\" \"%1\""

[HKEY_CLASSES_ROOT\PROTOCOLS\Filter\text/vnd.sun.j2me.app-descriptor]

@="jad file MIME Filter"

"CLSID"="{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}"

[HKEY_CLASSES_ROOT\PROTOCOLS\Filter\text/vnd.sun.j2me.app-descriptor;charset=ISO-8859-1]

@="jad file MIME Filter"

"CLSID"="{c4cd135d-8e79-4b89-a58a-0d2e8f3604ba}"

[HKEY_CLASSES_ROOT\MIME\Database\Content Type\text/vnd.sun.j2me.app-descriptor]

@="JAD file MIME type"

"Extension"=".jad"

[HKEY_CLASSES_ROOT\TypeLib\{4F94A7E5-C36A-46B8-8829-4F82EE718290}\1.0\0]

@="\\Windows\\jmmfilter.dll"

[HKEY_CLASSES_ROOT\TypeLib\{4F94A7E5-C36A-46B8-8829-4F82EE718290}\1.0\0\win32]

@="\\Windows\\jmmfilter.dll"

[HKEY_CLASSES_ROOT\jmm.jadfile\DefaultIcon]

@="jmm.exe,-4"

[HKEY_CLASSES_ROOT\jmm.jadfile\FilterRegistered]

@=""

[HKEY_CLASSES_ROOT\jmm.jadfile\Shell\Open\Command]

@="jmm.exe \"%1\""

[HKEY_CLASSES_ROOT\.sor]

"Content Type"="text/plain"

[HKEY_CLASSES_ROOT\.sol]

"Content Type"="text/plain"

[HKEY_CLASSES_ROOT\.mfp]

"Content Type"="application/x-shockwave-flash"

@="MacromediaFlashPaper.MacromediaFlashPaper"

[HKEY_CLASSES_ROOT\.swf]

"Content Type"="application/x-shockwave-flash"

@="ShockwaveFlash.ShockwaveFlash"

[HKEY_CLASSES_ROOT\.spl]

"Content Type"="application/futuresplash"

@="ShockwaveFlash.ShockwaveFlash"

[HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-shockwave-flash]

"CLSID"="{698E3FCA-70C3-11D0-81E8-00A0C90AD20A}"

"Extension"=".swf"

[HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/futuresplash]

"CLSID"="{698E3FCA-70C3-11D0-81E8-00A0C90AD20A}"

"Extension"=".spl"

[HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer]

"CurrentVersion"="7,0,70,0"