diff --git a/Inkplate.cpp b/Inkplate.cpp
index 3809939..de13162 100644
--- a/Inkplate.cpp
+++ b/Inkplate.cpp
@@ -191,6 +191,17 @@ void Inkplate::display()
         display3b();
 }
 
+//Load old bitmap to RAM (after deep sleep)
+void Inkplate::load1b()
+{
+    for (int i = 0; i < 60000; i++)
+    {
+        *(D_memory_new + i) &= *(_partial + i);
+        *(D_memory_new + i) |= (*(_partial + i));
+    }
+    _blockPartial = 0;
+}
+
 void Inkplate::partialUpdate()
 {
     if (_displayMode == 1)
diff --git a/Inkplate.h b/Inkplate.h
index 5c4e0f9..af86e17 100644
--- a/Inkplate.h
+++ b/Inkplate.h
@@ -192,6 +192,7 @@ public:
     void drawPixel(int16_t x0, int16_t y0, uint16_t color);
     void clearDisplay();
     void display();
+    void load1b();
     void partialUpdate();
     void drawBitmap3Bit(int16_t _x, int16_t _y, const unsigned char *_p, int16_t _w, int16_t _h);
     void setRotation(uint8_t);