diff --git a/README.md b/README.md
index 24d2a8f..94b8fe0 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ Board                          |  Connectivity     | Storage for credentials and
 `ST NUCLEO_L4R5ZI`                  | Wi-Fi ESP8266     | Internal Flash          | Build-only
 `Nuvoton NUMAKER_IOT_M487`          | Wi-Fi ESP8266     | SD card (NUSD)          | Build-only
 `Seeed ARCH_MAX`                    | Ethernet          | SD card                 | Build-only
+`Seeed Wio 3G`                      | Cellular          | Internal Flash          | Build-only
 `Renesas RZ_A1H`                    | Ethernet          | External Flash ([See security limitation of this board](https://os.mbed.com/platforms/Renesas-GR-PEACH/#security-limitation-of-this-platform)) | Build-only
 `Renesas GR_LYCHEE`                 | Wi-Fi (ESP32)     | External Flash ([See security limitation of this board](https://os.mbed.com/platforms/Renesas-GR-LYCHEE/#security-limitation-of-this-platform)) | Build-only
 
diff --git a/bootloader/mbed-bootloader-wio_3g-internal_flash-no_rot-v4.1.2.bin b/bootloader/mbed-bootloader-wio_3g-internal_flash-no_rot-v4.1.2.bin
new file mode 100644
index 0000000..8a8c1e6
Binary files /dev/null and b/bootloader/mbed-bootloader-wio_3g-internal_flash-no_rot-v4.1.2.bin differ
diff --git a/mbed_app.json b/mbed_app.json
index f8659bb..7217669 100644
--- a/mbed_app.json
+++ b/mbed_app.json
@@ -380,6 +380,35 @@
             "storage_tdb_internal.internal_base_address": "(MBED_ROM_START+4*1024*1024)",
             "storage_tdb_internal.internal_size"        : "(2*24*1024)",
             "storage.storage_type"                      : "TDB_INTERNAL"
+        },
+        "WIO_3G": {
+            "target.features_add"                       : ["LWIP", "STORAGE", "BOOTLOADER"],
+            "target.macros_add"                         : ["MBEDTLS_USER_CONFIG_FILE=\"mbedTLSConfig_mbedOS.h\""],
+            "target.device_has_remove"                  : ["SERIAL_FC"],
+            "target.network-default-interface-type"     : "CELLULAR",
+            "target.components_add"                     : ["FLASHIAP"],
+            "target.bootloader_img"                     : "bootloader/mbed-bootloader-wio_3g-internal_flash-no_rot-v4.1.2.bin",
+            "target.header_offset"                      : "0x8000",
+            "target.app_offset"                         : "0x8400",
+            "target.restrict_size"                      : "0xF4000",
+            "nsapi.default-cellular-plmn"               : 0,
+            "cellular.use-apn-lookup"                   : false,
+            "cellular.debug-at"                         : false,
+            "lwip.ipv4-enabled"                         : true,
+            "lwip.ethernet-enabled"                     : false,
+            "lwip.ppp-enabled"                          : true,
+            "lwip.tcp-enabled"                          : true,
+            "lwip.pbuf-pool-size"                       : 16,
+            "lwip.mem-size"                             : 12500,
+            "update-client.bootloader-details"          : "0x08005ee8",
+            "update-client.application-details"         : "(MBED_ROM_START + MBED_BOOTLOADER_SIZE)",
+            "update-client.storage-address"             : "(MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_BASE_ADDRESS+MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_SIZE)",
+            "update-client.storage-size"                : "(1024*1024-MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_SIZE)",
+            "update-client.storage-page"                : 1,
+            "mbed-cloud-client.update-storage"          : "ARM_UCP_FLASHIAP",
+            "storage_tdb_internal.internal_base_address": "(MBED_ROM_START+1024*1024)",
+            "storage_tdb_internal.internal_size"        : "(32*1024)",
+            "storage.storage_type"                      : "TDB_INTERNAL"
         }
     },
     "config": {