diff --git a/src/graphics/Screen.cpp b/src/graphics/Screen.cpp
index 6c6be7580..a4bddaf17 100644
--- a/src/graphics/Screen.cpp
+++ b/src/graphics/Screen.cpp
@@ -31,6 +31,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "graphics/images.h"
 #include "main.h"
 #include "mesh-pb-constants.h"
+#include "mesh/generated/deviceonly.pb.h"
 #include "mesh/Channels.h"
 #include "modules/TextMessageModule.h"
 #include "sleep.h"
@@ -44,6 +45,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using namespace meshtastic; /** @todo remove */
 
+extern bool loadProto(const char *filename, size_t protoSize, size_t objSize, const pb_msgdesc_t *fields, void *dest_struct);
+
 namespace graphics
 {
 
@@ -77,6 +80,10 @@ static char ourId[5];
 // GeoCoord object for the screen
 GeoCoord geoCoord;
 
+// OEM Config File
+static const char *oemConfigFile = "/prefs/oem.proto";
+OEMStore oemStore;
+
 #ifdef SHOW_REDRAWS
 static bool heartbeat = false;
 #endif
@@ -148,6 +155,54 @@ static void drawBootScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int1
     drawIconScreen(region, display, state, x, y);
 }
 
+static void drawOEMIconScreen(const char *upperMsg, OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
+{
+    // draw an xbm image.
+    // Please note that everything that should be transitioned
+    // needs to be drawn relative to x and y
+
+    // draw centered icon left to right and centered above the one line of app text
+    display->drawXbm(x + (SCREEN_WIDTH - oemStore.oem_icon_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - oemStore.oem_icon_height) / 2 + 2,
+                     oemStore.oem_icon_width, oemStore.oem_icon_height, (const uint8_t *)oemStore.oem_icon_bits.bytes);
+
+    switch(oemStore.oem_font){
+        case 0:
+            display->setFont(FONT_SMALL);
+        break;
+        case 2:
+            display->setFont(FONT_LARGE);
+        break;
+        default:
+            display->setFont(FONT_MEDIUM);
+        break;
+    }
+    
+    display->setTextAlignment(TEXT_ALIGN_LEFT);
+    const char *title = oemStore.oem_text;
+    display->drawString(x + getStringCenteredX(title), y + SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM, title);
+    display->setFont(FONT_SMALL);
+
+    // Draw region in upper left
+    if (upperMsg)
+        display->drawString(x + 0, y + 0, upperMsg);
+
+    // Draw version in upper right
+    char buf[16];
+    snprintf(buf, sizeof(buf), "%s",
+             xstr(APP_VERSION_SHORT)); // Note: we don't bother printing region or now, it makes the string too long
+    display->drawString(x + SCREEN_WIDTH - display->getStringWidth(buf), y + 0, buf);
+    screen->forceDisplay();
+
+    // FIXME - draw serial # somewhere?
+}
+
+static void drawOEMBootScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
+{
+    // Draw region in upper left
+    const char *region = myRegion ? myRegion->name : NULL;
+    drawOEMIconScreen(region, display, state, x, y);
+}
+
 // Used on boot when a certificate is being created
 static void drawSSLScreen(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
 {
@@ -813,8 +868,8 @@ void Screen::setup()
     dispdev.setDetected(screen_model);
 #endif
 
-    // I think this is not needed - redundant with ui.init
-    // dispdev.resetOrientation();
+    // Load OEM config from Proto file if existent
+    loadProto(oemConfigFile, OEMStore_size, sizeof(oemConfigFile), OEMStore_fields, &oemStore);
 
     // Initialising the UI will init the display too.
     ui.init();
@@ -867,6 +922,7 @@ void Screen::setup()
     // twice initially.
     ui.update();
     ui.update();
+    serialSinceMsec = millis();
 
     // Subscribe to status updates
     powerStatusObserver.observe(&powerStatus->onNewStatus);
@@ -897,7 +953,7 @@ int32_t Screen::runOnce()
         return RUN_SAME;
     }
 
-    // Show boot screen for first 3 seconds, then switch to normal operation.
+    // Show boot screen for first 5 seconds, then switch to normal operation.
     // serialSinceMsec adjusts for additional serial wait time during nRF52 bootup
     static bool showingBootScreen = true;
     if (showingBootScreen && (millis() > (5000 + serialSinceMsec))) {
@@ -906,6 +962,21 @@ int32_t Screen::runOnce()
         showingBootScreen = false;
     }
 
+    // If we have an OEM Boot screen, toggle after 2,5 seconds
+    if(strlen(oemStore.oem_text) > 0){
+        static bool showingOEMBootScreen = true;
+        if (showingOEMBootScreen && (millis() > (2500 + serialSinceMsec))) {
+            DEBUG_MSG("Switch to OEM screen...\n");
+            // Change frames.
+            static FrameCallback bootOEMFrames[] = {drawOEMBootScreen};
+            static const int bootOEMFrameCount = sizeof(bootOEMFrames) / sizeof(bootOEMFrames[0]);
+            ui.setFrames(bootOEMFrames, bootOEMFrameCount);
+            ui.update();
+            ui.update();
+            showingOEMBootScreen = false;
+        }
+    }
+
 #ifndef DISABLE_WELCOME_UNSET
     if (showingNormalScreen && radioConfig.preferences.region == RegionCode_Unset) {
         setWelcomeFrames();
diff --git a/src/mesh/generated/deviceonly.pb.c b/src/mesh/generated/deviceonly.pb.c
index a91649052..76aba1aef 100644
--- a/src/mesh/generated/deviceonly.pb.c
+++ b/src/mesh/generated/deviceonly.pb.c
@@ -12,4 +12,8 @@ PB_BIND(DeviceState, DeviceState, 4)
 PB_BIND(ChannelFile, ChannelFile, 2)
 
 
+PB_BIND(OEMStore, OEMStore, 2)
+
+
+
 
diff --git a/src/mesh/generated/deviceonly.pb.h b/src/mesh/generated/deviceonly.pb.h
index 8250cf568..a8df04eae 100644
--- a/src/mesh/generated/deviceonly.pb.h
+++ b/src/mesh/generated/deviceonly.pb.h
@@ -11,6 +11,17 @@
 #error Regenerate this file with the current version of nanopb generator.
 #endif
 
+/* Enum definitions */
+/* TODO: REPLACE */
+typedef enum _ScreenFonts { 
+    /* TODO: REPLACE */
+    ScreenFonts_FONT_SMALL = 0, 
+    /* TODO: REPLACE */
+    ScreenFonts_FONT_MEDIUM = 1, 
+    /* TODO: REPLACE */
+    ScreenFonts_FONT_LARGE = 2 
+} ScreenFonts;
+
 /* Struct definitions */
 /* The on-disk saved channels */
 typedef struct _ChannelFile { 
@@ -33,7 +44,7 @@ typedef struct _DeviceState {
     User owner; 
     /* TODO: REPLACE */
     pb_size_t node_db_count;
-    NodeInfo node_db[80]; 
+    NodeInfo node_db[64]; 
     /* Received packets saved for delivery to the phone */
     pb_size_t receive_queue_count;
     MeshPacket receive_queue[1]; 
@@ -53,16 +64,40 @@ typedef struct _DeviceState {
     bool did_gps_reset; 
 } DeviceState;
 
+typedef PB_BYTES_ARRAY_T(2048) OEMStore_oem_icon_bits_t;
+/* This can be used for customizing the firmware distribution. If populated,
+ show a secondary bootup screen with cuatom logo and text for 2.5 seconds. */
+typedef struct _OEMStore { 
+    /* The Logo width in Px */
+    uint32_t oem_icon_width; 
+    /* The Logo height in Px */
+    uint32_t oem_icon_height; 
+    /* The Logo in xbm bytechar format */
+    OEMStore_oem_icon_bits_t oem_icon_bits; 
+    /* Use this font for the OEM text. */
+    ScreenFonts oem_font; 
+    /* Use this font for the OEM text. */
+    char oem_text[40]; 
+} OEMStore;
+
+
+/* Helper constants for enums */
+#define _ScreenFonts_MIN ScreenFonts_FONT_SMALL
+#define _ScreenFonts_MAX ScreenFonts_FONT_LARGE
+#define _ScreenFonts_ARRAYSIZE ((ScreenFonts)(ScreenFonts_FONT_LARGE+1))
+
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /* Initializer values for message structs */
-#define DeviceState_init_default                 {false, MyNodeInfo_init_default, false, User_init_default, 0, {NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default}, 0, {MeshPacket_init_default}, false, MeshPacket_init_default, 0, 0, 0}
+#define DeviceState_init_default                 {false, MyNodeInfo_init_default, false, User_init_default, 0, {NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default, NodeInfo_init_default}, 0, {MeshPacket_init_default}, false, MeshPacket_init_default, 0, 0, 0}
 #define ChannelFile_init_default                 {0, {Channel_init_default, Channel_init_default, Channel_init_default, Channel_init_default, Channel_init_default, Channel_init_default, Channel_init_default, Channel_init_default}}
-#define DeviceState_init_zero                    {false, MyNodeInfo_init_zero, false, User_init_zero, 0, {NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero}, 0, {MeshPacket_init_zero}, false, MeshPacket_init_zero, 0, 0, 0}
+#define OEMStore_init_default                    {0, 0, {0, {0}}, _ScreenFonts_MIN, ""}
+#define DeviceState_init_zero                    {false, MyNodeInfo_init_zero, false, User_init_zero, 0, {NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero, NodeInfo_init_zero}, 0, {MeshPacket_init_zero}, false, MeshPacket_init_zero, 0, 0, 0}
 #define ChannelFile_init_zero                    {0, {Channel_init_zero, Channel_init_zero, Channel_init_zero, Channel_init_zero, Channel_init_zero, Channel_init_zero, Channel_init_zero, Channel_init_zero}}
+#define OEMStore_init_zero                       {0, 0, {0, {0}}, _ScreenFonts_MIN, ""}
 
 /* Field tags (for use in manual encoding/decoding) */
 #define ChannelFile_channels_tag                 1
@@ -74,6 +109,11 @@ extern "C" {
 #define DeviceState_version_tag                  8
 #define DeviceState_no_save_tag                  9
 #define DeviceState_did_gps_reset_tag            11
+#define OEMStore_oem_icon_width_tag              1
+#define OEMStore_oem_icon_height_tag             2
+#define OEMStore_oem_icon_bits_tag               3
+#define OEMStore_oem_font_tag                    4
+#define OEMStore_oem_text_tag                    5
 
 /* Struct field encoding specification for nanopb */
 #define DeviceState_FIELDLIST(X, a) \
@@ -99,16 +139,28 @@ X(a, STATIC,   REPEATED, MESSAGE,  channels,          1)
 #define ChannelFile_DEFAULT NULL
 #define ChannelFile_channels_MSGTYPE Channel
 
+#define OEMStore_FIELDLIST(X, a) \
+X(a, STATIC,   SINGULAR, UINT32,   oem_icon_width,    1) \
+X(a, STATIC,   SINGULAR, UINT32,   oem_icon_height,   2) \
+X(a, STATIC,   SINGULAR, BYTES,    oem_icon_bits,     3) \
+X(a, STATIC,   SINGULAR, UENUM,    oem_font,          4) \
+X(a, STATIC,   SINGULAR, STRING,   oem_text,          5)
+#define OEMStore_CALLBACK NULL
+#define OEMStore_DEFAULT NULL
+
 extern const pb_msgdesc_t DeviceState_msg;
 extern const pb_msgdesc_t ChannelFile_msg;
+extern const pb_msgdesc_t OEMStore_msg;
 
 /* Defines for backwards compatibility with code written before nanopb-0.4.0 */
 #define DeviceState_fields &DeviceState_msg
 #define ChannelFile_fields &ChannelFile_msg
+#define OEMStore_fields &OEMStore_msg
 
 /* Maximum encoded size of messages (where known) */
 #define ChannelFile_size                         832
-#define DeviceState_size                         23903
+#define DeviceState_size                         19327
+#define OEMStore_size                            2106
 
 #ifdef __cplusplus
 } /* extern "C" */