diff --git a/esp-link/config.c b/esp-link/config.c
index 1af160a..cbab480 100644
--- a/esp-link/config.c
+++ b/esp-link/config.c
@@ -195,3 +195,43 @@ getFlashSize() {
     return 0;
   return 1 << size_id;
 }
+
+const uint32_t getUserPageSectionStart()
+{
+  enum flash_size_map map = system_get_flash_size_map();
+  switch(map)
+  {
+    case FLASH_SIZE_4M_MAP_256_256:
+      return FLASH_SECT + FIRMWARE_SIZE - 3*FLASH_SECT;// bootloader + firmware - 12KB (highly risky...)
+    case FLASH_SIZE_8M_MAP_512_512:
+      return FLASH_SECT + FIRMWARE_SIZE;
+    case FLASH_SIZE_16M_MAP_512_512:
+    case FLASH_SIZE_16M_MAP_1024_1024:
+    case FLASH_SIZE_32M_MAP_512_512:
+    case FLASH_SIZE_32M_MAP_1024_1024:
+      return 0x0FC000;
+    default:
+      return 0xFFFFFFFF;
+  }
+}
+
+const uint32_t getUserPageSectionEnd()
+{
+  enum flash_size_map map = system_get_flash_size_map();
+  switch(map)
+  {
+    case FLASH_SIZE_4M_MAP_256_256:
+      return FLASH_SECT + FIRMWARE_SIZE - 2*FLASH_SECT;
+    case FLASH_SIZE_8M_MAP_512_512:
+      return FLASH_SECT + FIRMWARE_SIZE + 2*FLASH_SECT;
+    case FLASH_SIZE_16M_MAP_512_512:
+    case FLASH_SIZE_16M_MAP_1024_1024:
+      return 0x1FC000;
+    case FLASH_SIZE_32M_MAP_512_512:
+    case FLASH_SIZE_32M_MAP_1024_1024:
+      return 0x3FC000;
+    default:
+      return 0xFFFFFFFF;
+  }
+}
+
diff --git a/esp-link/config.h b/esp-link/config.h
index 341d7e1..bf08df4 100644
--- a/esp-link/config.h
+++ b/esp-link/config.h
@@ -46,4 +46,7 @@ bool configRestore(void);
 void configWipe(void);
 const size_t getFlashSize();
 
+const uint32_t getUserPageSectionStart();
+const uint32_t getUserPageSectionEnd();
+
 #endif