diff --git a/dll/win32/imm32/ime.c b/dll/win32/imm32/ime.c
index b06afb628da..1fd912b1a86 100644
--- a/dll/win32/imm32/ime.c
+++ b/dll/win32/imm32/ime.c
@@ -46,23 +46,26 @@ BOOL APIENTRY Imm32InquireIme(PIMEDPI pImeDpi)
 {
     WCHAR szUIClass[64];
     WNDCLASSW wcW;
-    DWORD dwSysInfoFlags = 0; // TODO: ???
+    DWORD dwSysInfoFlags = 0;
     LPIMEINFO pImeInfo = &pImeDpi->ImeInfo;
 
-    // TODO: NtUserGetThreadState(16);
+    if (NtUserGetThreadState(16))
+        dwSysInfoFlags |= IME_SYSINFO_WINLOGON;
 
-    if (!IS_IME_HKL(pImeDpi->hKL))
+    if (IS_IME_HKL(pImeDpi->hKL))
     {
-        if (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED) &&
-            pImeDpi->CtfImeInquireExW)
-        {
-            // TODO:
+        if (!pImeDpi->ImeInquire(pImeInfo, szUIClass, dwSysInfoFlags))
             return FALSE;
-        }
     }
-
-    if (!pImeDpi->ImeInquire(pImeInfo, szUIClass, dwSysInfoFlags))
+    else if (Imm32IsCiceroMode() && pImeDpi->CtfImeInquireExW)
+    {
+        if (!pImeDpi->CtfImeInquireExW(pImeInfo, szUIClass, dwSysInfoFlags, pImeDpi->hKL))
+            return FALSE;
+    }
+    else
+    {
         return FALSE;
+    }
 
     szUIClass[_countof(szUIClass) - 1] = 0;
 
@@ -257,18 +260,10 @@ PIMEDPI APIENTRY Ime32LoadImeDpi(HKL hKL, BOOL bLock)
 
 PIMEDPI APIENTRY ImmLockOrLoadImeDpi(HKL hKL)
 {
-    PW32CLIENTINFO pInfo;
     PIMEDPI pImeDpi;
 
-    if (!IS_IME_HKL(hKL))
-    {
-        if (!g_psi || !(g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
-            return NULL;
-
-        pInfo = (PW32CLIENTINFO)(NtCurrentTeb()->Win32ClientInfo);
-        if ((pInfo->W32ClientInfo[0] & 2))
-            return NULL;
-    }
+    if (!IS_IME_HKL(hKL) && (!Imm32IsCiceroMode() || Imm32Is16BitMode()))
+        return NULL;
 
     pImeDpi = ImmLockImeDpi(hKL);
     if (pImeDpi == NULL)
@@ -282,11 +277,9 @@ ImeDpi_Escape(PIMEDPI pImeDpi, HIMC hIMC, UINT uSubFunc, LPVOID lpData, HKL hKL)
     if (IS_IME_HKL(hKL))
         return pImeDpi->ImeEscape(hIMC, uSubFunc, lpData);
 
-    if (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
-    {
-        if (pImeDpi->CtfImeEscapeEx)
-            return pImeDpi->CtfImeEscapeEx(hIMC, uSubFunc, lpData, hKL);
-    }
+    if (Imm32IsCiceroMode() && pImeDpi->CtfImeEscapeEx)
+        return pImeDpi->CtfImeEscapeEx(hIMC, uSubFunc, lpData, hKL);
+
     return 0;
 }
 
@@ -305,7 +298,7 @@ BOOL WINAPI ImmIsIME(HKL hKL)
  */
 HWND WINAPI ImmGetDefaultIMEWnd(HWND hWnd)
 {
-    if (!g_psi || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+    if (!Imm32IsImmMode())
         return NULL;
 
     // FIXME: NtUserGetThreadState and enum ThreadStateRoutines are broken.
@@ -367,7 +360,6 @@ ImmGetImeInfoEx(PIMEINFOEX pImeInfoEx, IMEINFOEXCLASS SearchType, PVOID pvSearch
 {
     BOOL bDisabled = FALSE;
     HKL hKL;
-    PTEB pTeb;
 
     switch (SearchType)
     {
@@ -390,10 +382,9 @@ ImmGetImeInfoEx(PIMEINFOEX pImeInfoEx, IMEINFOEXCLASS SearchType, PVOID pvSearch
 
     if (!IS_IME_HKL(hKL))
     {
-        if (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
+        if (Imm32IsCiceroMode())
         {
-            pTeb = NtCurrentTeb();
-            if (((PW32CLIENTINFO)pTeb->Win32ClientInfo)->W32ClientInfo[0] & 2)
+            if (Imm32Is16BitMode())
                 return FALSE;
             if (!bDisabled)
                 goto Quit;
@@ -487,18 +478,10 @@ VOID WINAPI ImmUnlockImeDpi(PIMEDPI pImeDpi)
  */
 BOOL WINAPI ImmLoadIME(HKL hKL)
 {
-    PW32CLIENTINFO pInfo;
     PIMEDPI pImeDpi;
 
-    if (!IS_IME_HKL(hKL))
-    {
-        if (!g_psi || !(g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
-            return FALSE;
-
-        pInfo = (PW32CLIENTINFO)(NtCurrentTeb()->Win32ClientInfo);
-        if ((pInfo->W32ClientInfo[0] & 2))
-            return FALSE;
-    }
+    if (!IS_IME_HKL(hKL) && (!Imm32IsCiceroMode() || Imm32Is16BitMode()))
+        return FALSE;
 
     pImeDpi = Imm32FindImeDpi(hKL);
     if (pImeDpi == NULL)
@@ -1319,20 +1302,14 @@ BOOL WINAPI ImmSetConversionStatus(HIMC hIMC, DWORD fdwConversion, DWORD fdwSent
     HKL hKL;
     LPINPUTCONTEXT pIC;
     DWORD dwOldConversion, dwOldSentence;
-    BOOL fConversionChange = FALSE, fSentenceChange = FALSE;
+    BOOL fConversionChange = FALSE, fSentenceChange = FALSE, fUseCicero = FALSE;
     HWND hWnd;
 
     TRACE("(%p, 0x%lX, 0x%lX)\n", hIMC, fdwConversion, fdwSentence);
 
     hKL = GetKeyboardLayout(0);
-    if (!IS_IME_HKL(hKL))
-    {
-        if (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
-        {
-            FIXME("Cicero\n");
-            return FALSE;
-        }
-    }
+    if (!IS_IME_HKL(hKL) && Imm32IsCiceroMode() && !Imm32Is16BitMode())
+        fUseCicero = TRUE;
 
     if (Imm32IsCrossThreadAccess(hIMC))
         return FALSE;
@@ -1358,14 +1335,15 @@ BOOL WINAPI ImmSetConversionStatus(HIMC hIMC, DWORD fdwConversion, DWORD fdwSent
     hWnd = pIC->hWnd;
     ImmUnlockIMC(hIMC);
 
-    if (fConversionChange)
+    if (fConversionChange || fUseCicero)
     {
         Imm32NotifyAction(hIMC, hWnd, NI_CONTEXTUPDATED, dwOldConversion,
                           IMC_SETCONVERSIONMODE, IMN_SETCONVERSIONMODE, 0);
-        NtUserNotifyIMEStatus(hWnd, hIMC, fdwConversion);
+        if (fConversionChange)
+            NtUserNotifyIMEStatus(hWnd, hIMC, fdwConversion);
     }
 
-    if (fSentenceChange)
+    if (fSentenceChange || fUseCicero)
     {
         Imm32NotifyAction(hIMC, hWnd, NI_CONTEXTUPDATED, dwOldSentence,
                           IMC_SETSENTENCEMODE, IMN_SETSENTENCEMODE, 0);
diff --git a/dll/win32/imm32/imm.c b/dll/win32/imm32/imm.c
index 0351cdae680..3297fa085e9 100644
--- a/dll/win32/imm32/imm.c
+++ b/dll/win32/imm32/imm.c
@@ -62,9 +62,7 @@ HKL WINAPI ImmLoadLayout(HKL hKL, PIMEINFOEX pImeInfoEx)
 
     TRACE("(%p, %p)\n", hKL, pImeInfoEx);
 
-    if (IS_IME_HKL(hKL) ||
-        !g_psi || !(g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED) ||
-        ((PW32CLIENTINFO)NtCurrentTeb()->Win32ClientInfo)->W32ClientInfo[0] & 2)
+    if (IS_IME_HKL(hKL) || !Imm32IsCiceroMode() || Imm32Is16BitMode())
     {
         UnicodeString.Buffer = szLayout;
         UnicodeString.MaximumLength = sizeof(szLayout);
@@ -266,7 +264,7 @@ BOOL WINAPI ImmAssociateContextEx(HWND hWnd, HIMC hIMC, DWORD dwFlags)
 
     TRACE("(%p, %p, 0x%lX)\n", hWnd, hIMC, dwFlags);
 
-    if (!g_psi || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+    if (!Imm32IsImmMode())
         return FALSE;
 
     if (hIMC && !(dwFlags & IACE_DEFAULT) && Imm32IsCrossThreadAccess(hIMC))
@@ -311,7 +309,7 @@ HIMC WINAPI ImmCreateContext(void)
 
     TRACE("()\n");
 
-    if (g_psi == NULL || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+    if (!Imm32IsImmMode())
         return NULL;
 
     pClientImc = Imm32HeapAlloc(HEAP_ZERO_MEMORY, sizeof(CLIENTIMC));
@@ -350,7 +348,7 @@ BOOL APIENTRY Imm32CleanupContext(HIMC hIMC, HKL hKL, BOOL bKeep)
     LPINPUTCONTEXT pIC;
     PCLIENTIMC pClientImc;
 
-    if (g_psi == NULL || !(g_psi->dwSRVIFlags & SRVINFO_IMM32) || hIMC == NULL)
+    if (!Imm32IsImmMode() || hIMC == NULL)
         return FALSE;
 
     FIXME("We have do something to do here\n");
@@ -385,9 +383,9 @@ BOOL APIENTRY Imm32CleanupContext(HIMC hIMC, HKL hKL, BOOL bKeep)
             {
                 pImeDpi->ImeSelect(hIMC, FALSE);
             }
-            else if (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
+            else if (Imm32IsCiceroMode() && pImeDpi->CtfImeSelectEx)
             {
-                FIXME("We have do something to do here\n");
+                pImeDpi->CtfImeSelectEx(hIMC, FALSE, hKL);
             }
             ImmUnlockImeDpi(pImeDpi);
         }
@@ -422,7 +420,7 @@ BOOL WINAPI ImmDestroyContext(HIMC hIMC)
 
     TRACE("(%p)\n", hIMC);
 
-    if (g_psi == NULL || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+    if (!Imm32IsImmMode())
         return FALSE;
 
     if (Imm32IsCrossThreadAccess(hIMC))
@@ -508,7 +506,7 @@ static HIMC APIENTRY Imm32GetContextEx(HWND hWnd, DWORD dwContextFlags)
     PCLIENTIMC pClientImc;
     PWND pWnd;
 
-    if (!g_psi || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+    if (!Imm32IsImmMode())
         return NULL;
 
     if (!hWnd)
@@ -843,7 +841,7 @@ HIMC WINAPI ImmGetContext(HWND hWnd)
  */
 BOOL WINAPI CtfImmIsCiceroEnabled(VOID)
 {
-    return (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED));
+    return Imm32IsCiceroMode();
 }
 
 /***********************************************************************
@@ -1380,7 +1378,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
             break;
 
         case DLL_THREAD_DETACH:
-            if (g_psi == NULL || !(g_psi->dwSRVIFlags & SRVINFO_IMM32))
+            if (!Imm32IsImmMode())
                 return TRUE;
 
             pTeb = NtCurrentTeb();
diff --git a/dll/win32/imm32/precomp.h b/dll/win32/imm32/precomp.h
index 2c82e5b3746..b914f8f625a 100644
--- a/dll/win32/imm32/precomp.h
+++ b/dll/win32/imm32/precomp.h
@@ -93,7 +93,10 @@ static inline BOOL Imm32IsCrossProcessAccess(HWND hWnd)
             (DWORD_PTR)NtCurrentTeb()->ClientId.UniqueProcess);
 }
 
-#define ImeDpi_IsUnicode(pImeDpi) ((pImeDpi)->ImeInfo.fdwProperty & IME_PROP_UNICODE)
+#define ImeDpi_IsUnicode(pImeDpi)   ((pImeDpi)->ImeInfo.fdwProperty & IME_PROP_UNICODE)
+#define Imm32IsImmMode()            (g_psi && (g_psi->dwSRVIFlags & SRVINFO_IMM32))
+#define Imm32IsCiceroMode()         (g_psi && (g_psi->dwSRVIFlags & SRVINFO_CICERO_ENABLED))
+#define Imm32Is16BitMode()          (GetWin32ClientInfo()->dwTIFlags & TIF_16BIT)
 
 DWORD APIENTRY
 CandidateListWideToAnsi(const CANDIDATELIST *pWideCL, LPCANDIDATELIST pAnsiCL, DWORD dwBufLen,
diff --git a/sdk/include/psdk/imm.h b/sdk/include/psdk/imm.h
index 6232ee115ff..14458e26203 100644
--- a/sdk/include/psdk/imm.h
+++ b/sdk/include/psdk/imm.h
@@ -237,6 +237,10 @@ typedef struct tagCANDIDATEINFO {
 #define NI_SETCANDIDATE_PAGESIZE        0x0017
 #define NI_IMEMENUSELECTED              0x0018
 
+/* dwSystemInfoFlags bits */
+#define IME_SYSINFO_WINLOGON            0x0001
+#define IME_SYSINFO_WOW16               0x0002
+
 BOOL  WINAPI ImmUnlockIMC(HIMC);
 DWORD WINAPI ImmGetIMCLockCount(HIMC);
 HIMCC  WINAPI ImmCreateIMCC(DWORD);
diff --git a/win32ss/include/imetable.h b/win32ss/include/imetable.h
index d9d0929757d..09580a4ac95 100644
--- a/win32ss/include/imetable.h
+++ b/win32ss/include/imetable.h
@@ -15,8 +15,8 @@ DEFINE_IME_ENTRY(UINT, ImeToAsciiEx, (UINT uVirKey, UINT uScanCode, CONST LPBYTE
 DEFINE_IME_ENTRY(BOOL, NotifyIME, (HIMC hIMC, DWORD dwAction, DWORD dwIndex, DWORD dwValue), FALSE)
 DEFINE_IME_ENTRY(BOOL, ImeSetCompositionString, (HIMC hIMC, DWORD dwIndex, LPCVOID lpComp, DWORD dwCompLen, LPCVOID lpRead, DWORD dwReadLen), FALSE)
 DEFINE_IME_ENTRY(DWORD, ImeGetImeMenuItems, (HIMC hIMC, DWORD dwFlags, DWORD dwType, LPIMEMENUITEMINFOW lpImeParentMenu, LPIMEMENUITEMINFOW lpImeMenu, DWORD dwSize), FALSE)
-DEFINE_IME_ENTRY(DWORD, CtfImeInquireExW, (VOID /* FIXME: unknown */), TRUE)
-DEFINE_IME_ENTRY(DWORD, CtfImeSelectEx, (VOID /* FIXME: unknown */), TRUE)
+DEFINE_IME_ENTRY(BOOL, CtfImeInquireExW, (LPIMEINFO lpIMEInfo, LPVOID lpszWndClass, DWORD dwSystemInfoFlags, HKL hKL), TRUE)
+DEFINE_IME_ENTRY(BOOL, CtfImeSelectEx, (HIMC hIMC, BOOL fSelect, HKL hKL), TRUE)
 DEFINE_IME_ENTRY(LRESULT, CtfImeEscapeEx, (HIMC hIMC, UINT uSubFunc, LPVOID lpData, HKL hKL), TRUE)
 DEFINE_IME_ENTRY(DWORD, CtfImeGetGuidAtom, (VOID /* FIXME: unknown */), TRUE)
 DEFINE_IME_ENTRY(DWORD, CtfImeIsGuidMapEnable, (VOID /* FIXME: unknown */), TRUE)