diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_MTB_ADV_WISE_1570/system_clock.c b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_MTB_ADV_WISE_1570/system_clock.c
index 7867685d3a..ab36318872 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_MTB_ADV_WISE_1570/system_clock.c
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_MTB_ADV_WISE_1570/system_clock.c
@@ -97,7 +97,7 @@ void SystemInit(void)
 #ifdef VECT_TAB_SRAM
     SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
 #else
-    SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+    SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; /* Vector Table Relocation in Internal FLASH */
 #endif
 
 }
@@ -214,7 +214,7 @@ uint8_t SetSysClock_PLL_HSE(uint8_t bypass)
         return 0; // FAIL
     }
 #endif
-    
+
     // Select LSE output as LPUART1 clock source
     RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC | RCC_PERIPHCLK_LPUART1;
     RCC_PeriphClkInit.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_LSE;
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_MICRO/stm32l486xx.sct b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_MICRO/stm32l486xx.sct
index 39fbb380c4..a657759b32 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_MICRO/stm32l486xx.sct
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_MICRO/stm32l486xx.sct
@@ -1,3 +1,4 @@
+#! armcc -E
 ; Scatter-Loading Description File
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Copyright (c) 2015, STMicroelectronics
@@ -27,10 +28,18 @@
 ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
-LR_IROM1 0x08000000 0x100000  {    ; load region size_region
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
 
-  ER_IROM1 0x08000000 0x100000  {  ; load address = execution address
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x100000
+#endif
+
+; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_STD/stm32l486xx.sct b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_STD/stm32l486xx.sct
index 39fbb380c4..a657759b32 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_STD/stm32l486xx.sct
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_ARM_STD/stm32l486xx.sct
@@ -1,3 +1,4 @@
+#! armcc -E
 ; Scatter-Loading Description File
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Copyright (c) 2015, STMicroelectronics
@@ -27,10 +28,18 @@
 ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
-LR_IROM1 0x08000000 0x100000  {    ; load region size_region
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
 
-  ER_IROM1 0x08000000 0x100000  {  ; load address = execution address
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x100000
+#endif
+
+; 1MB FLASH (0x100000) + 128KB SRAM (0x20000)
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_GCC_ARM/STM32L486XX.ld b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_GCC_ARM/STM32L486XX.ld
index 9fc7632389..57cbbbbd5c 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_GCC_ARM/STM32L486XX.ld
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_GCC_ARM/STM32L486XX.ld
@@ -1,7 +1,15 @@
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 1024k
+#endif
+
 /* Linker script to configure memory regions. */
 MEMORY
-{ 
-  FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
+{
+  FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
   SRAM2 (rwx)  : ORIGIN = 0x10000188, LENGTH = 32k - 0x188
   SRAM1 (rwx)  : ORIGIN = 0x20000000, LENGTH = 96k
 }
@@ -10,7 +18,7 @@ MEMORY
  * with other linker script that defines memory regions FLASH and RAM.
  * It references following symbols, which must be defined in code:
  *   Reset_Handler : Entry of reset handler
- * 
+ *
  * It defines following symbols, which code can use without definition:
  *   __exidx_start
  *   __exidx_end
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_IAR/stm32l486xx.icf b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_IAR/stm32l486xx.icf
index b62849c85a..0ce14846c2 100644
--- a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_IAR/stm32l486xx.icf
+++ b/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/device/TOOLCHAIN_IAR/stm32l486xx.icf
@@ -1,7 +1,10 @@
+if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
+if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x80000; }
+
 /* [ROM = 1024kb = 0x100000] */
-define symbol __intvec_start__     = 0x08000000;
-define symbol __region_ROM_start__ = 0x08000000;
-define symbol __region_ROM_end__   = 0x080FFFFF;
+define symbol __intvec_start__     = MBED_APP_START;
+define symbol __region_ROM_start__ = MBED_APP_START;
+define symbol __region_ROM_end__   = MBED_APP_START + MBED_APP_SIZE - 1;
 
 /* [RAM = 96kb + 32kb = 0x20000] */
 /* Vector table dynamic copy: Total: 98 vectors = 392 bytes (0x188) to be reserved in RAM */
diff --git a/targets/targets.json b/targets/targets.json
index e8e83d7568..cbef0f4c16 100755
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -1711,6 +1711,7 @@
         "device_has_remove": ["LPTICKER"],
         "release_versions": ["5"],
         "device_name": "STM32L486RG",
+        "bootloader_supported": true,
         "OUTPUT_EXT": "hex"
     },
     "ARCH_MAX": {