diff --git a/Makefile b/Makefile
index c5a912f..1c2c33e 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ APPVERSION = $(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)-dev
 
 # Application source files
 APP_SOURCE_PATH += src src_features src_plugins
-ifeq ($(TARGET_NAME),TARGET_STAX)
+ifeq ($(TARGET_NAME),$(filter $(TARGET_NAME),TARGET_STAX TARGET_FLEX))
     APP_SOURCE_PATH += src_nbgl
 else
     APP_SOURCE_PATH += src_bagl
@@ -55,7 +55,7 @@ APP_SOURCE_FILES += ${BOLOS_SDK}/lib_standard_app/crypto_helpers.c
 APP_SOURCE_FILES += ${BOLOS_SDK}/lib_standard_app/format.c
 INCLUDES_PATH += ${BOLOS_SDK}/lib_standard_app
 
-ifeq ($(TARGET_NAME),TARGET_STAX)
+ifeq ($(TARGET_NAME),$(filter $(TARGET_NAME),TARGET_STAX TARGET_FLEX))
 NETWORK_ICONS_FILE = $(GEN_SRC_DIR)/net_icons.gen.c
 NETWORK_ICONS_DIR = $(shell dirname "$(NETWORK_ICONS_FILE)")
 
@@ -71,12 +71,13 @@ ICON_NANOS = icons/nanos_app_chain_$(CHAIN_ID).gif
 ICON_NANOX = icons/nanox_app_chain_$(CHAIN_ID).gif
 ICON_NANOSP = icons/nanox_app_chain_$(CHAIN_ID).gif
 ICON_STAX = icons/stax_app_chain_$(CHAIN_ID).gif
+ICON_FLEX = icons/flex_app_chain_$(CHAIN_ID).gif
 
 #prepare hsm generation
-ifeq ($(TARGET_NAME),TARGET_STAX)
-    DEFINES += ICONGLYPH=C_stax_chain_$(CHAIN_ID)_64px
-    DEFINES += ICONBITMAP=C_stax_chain_$(CHAIN_ID)_64px_bitmap
-    DEFINES += ICONGLYPH_SMALL=C_stax_chain_$(CHAIN_ID)
+ifeq ($(TARGET_NAME),$(filter $(TARGET_NAME),TARGET_STAX TARGET_FLEX))
+    DEFINES += ICONGLYPH=C_chain_$(CHAIN_ID)_64px
+    DEFINES += ICONBITMAP=C_chain_$(CHAIN_ID)_64px_bitmap
+    DEFINES += ICONGLYPH_SMALL=C_chain_$(CHAIN_ID)
 endif
 
 
diff --git a/icons/flex_app_chain_1.gif b/icons/flex_app_chain_1.gif
new file mode 100644
index 0000000..f1c5e66
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diff --git a/icons/flex_app_chain_1030.gif b/icons/flex_app_chain_1030.gif
new file mode 100644
index 0000000..6a4039d
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diff --git a/icons/flex_app_chain_108.gif b/icons/flex_app_chain_108.gif
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index 0000000..1a053ab
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diff --git a/icons/flex_app_chain_1284.gif b/icons/flex_app_chain_1284.gif
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index 0000000..dd919fc
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diff --git a/icons/flex_app_chain_1285.gif b/icons/flex_app_chain_1285.gif
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index 0000000..f3ef9f4
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diff --git a/icons/flex_app_chain_1313114.gif b/icons/flex_app_chain_1313114.gif
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index 0000000..59da10a
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diff --git a/icons/flex_app_chain_137.gif b/icons/flex_app_chain_137.gif
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index 0000000..b49f73b
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diff --git a/icons/flex_app_chain_1620.gif b/icons/flex_app_chain_1620.gif
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diff --git a/icons/flex_app_chain_1818.gif b/icons/flex_app_chain_1818.gif
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index 0000000..6af034e
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diff --git a/icons/flex_app_chain_19.gif b/icons/flex_app_chain_19.gif
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index 0000000..2e0061d
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diff --git a/icons/flex_app_chain_1987.gif b/icons/flex_app_chain_1987.gif
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index 0000000..0c6c85a
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diff --git a/icons/flex_app_chain_199.gif b/icons/flex_app_chain_199.gif
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diff --git a/icons/flex_app_chain_2.gif b/icons/flex_app_chain_2.gif
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index 0000000..b59d301
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diff --git a/icons/flex_app_chain_200625.gif b/icons/flex_app_chain_200625.gif
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index 0000000..3fdb32f
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diff --git a/icons/flex_app_chain_20531811.gif b/icons/flex_app_chain_20531811.gif
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index 0000000..8c09a8d
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diff --git a/icons/flex_app_chain_20531812.gif b/icons/flex_app_chain_20531812.gif
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diff --git a/icons/flex_app_chain_237.gif b/icons/flex_app_chain_237.gif
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diff --git a/icons/flex_app_chain_24.gif b/icons/flex_app_chain_24.gif
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diff --git a/icons/flex_app_chain_24484.gif b/icons/flex_app_chain_24484.gif
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diff --git a/icons/flex_app_chain_246.gif b/icons/flex_app_chain_246.gif
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diff --git a/icons/flex_app_chain_246529.gif b/icons/flex_app_chain_246529.gif
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diff --git a/icons/flex_app_chain_248.gif b/icons/flex_app_chain_248.gif
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diff --git a/icons/flex_app_chain_269.gif b/icons/flex_app_chain_269.gif
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diff --git a/icons/flex_app_chain_2894.gif b/icons/flex_app_chain_2894.gif
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diff --git a/icons/flex_app_chain_30.gif b/icons/flex_app_chain_30.gif
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diff --git a/icons/flex_app_chain_31.gif b/icons/flex_app_chain_31.gif
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diff --git a/icons/flex_app_chain_31102.gif b/icons/flex_app_chain_31102.gif
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diff --git a/icons/flex_app_chain_3125659152.gif b/icons/flex_app_chain_3125659152.gif
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diff --git a/icons/flex_app_chain_336.gif b/icons/flex_app_chain_336.gif
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diff --git a/icons/flex_app_chain_50.gif b/icons/flex_app_chain_50.gif
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diff --git a/icons/flex_app_chain_51.gif b/icons/flex_app_chain_51.gif
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diff --git a/icons/flex_app_chain_56.gif b/icons/flex_app_chain_56.gif
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diff --git a/icons/flex_app_chain_592.gif b/icons/flex_app_chain_592.gif
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diff --git a/icons/flex_app_chain_60.gif b/icons/flex_app_chain_60.gif
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diff --git a/icons/flex_app_chain_61.gif b/icons/flex_app_chain_61.gif
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diff --git a/icons/flex_app_chain_62621.gif b/icons/flex_app_chain_62621.gif
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diff --git a/icons/flex_app_chain_64.gif b/icons/flex_app_chain_64.gif
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diff --git a/icons/flex_app_chain_66.gif b/icons/flex_app_chain_66.gif
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diff --git a/icons/flex_app_chain_7341.gif b/icons/flex_app_chain_7341.gif
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index 0000000..bf6bd61
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diff --git a/icons/flex_app_chain_73799.gif b/icons/flex_app_chain_73799.gif
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index 0000000..78e1fb5
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diff --git a/icons/flex_app_chain_76.gif b/icons/flex_app_chain_76.gif
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index 0000000..b3f48f7
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diff --git a/icons/flex_app_chain_7762959.gif b/icons/flex_app_chain_7762959.gif
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index 0000000..35e930a
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diff --git a/icons/flex_app_chain_78.gif b/icons/flex_app_chain_78.gif
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index 0000000..7507998
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diff --git a/icons/flex_app_chain_8.gif b/icons/flex_app_chain_8.gif
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index 0000000..88bab22
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diff --git a/icons/flex_app_chain_82.gif b/icons/flex_app_chain_82.gif
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index 0000000..d7cd90b
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diff --git a/icons/flex_app_chain_820.gif b/icons/flex_app_chain_820.gif
new file mode 100644
index 0000000..86a2c5a
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diff --git a/icons/flex_app_chain_846000.gif b/icons/flex_app_chain_846000.gif
new file mode 100644
index 0000000..c7babb5
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diff --git a/icons/flex_app_chain_88.gif b/icons/flex_app_chain_88.gif
new file mode 100644
index 0000000..e379af4
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diff --git a/icons/flex_app_chain_888.gif b/icons/flex_app_chain_888.gif
new file mode 100644
index 0000000..585536a
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diff --git a/icons/flex_app_chain_99.gif b/icons/flex_app_chain_99.gif
new file mode 100644
index 0000000..cd615c5
Binary files /dev/null and b/icons/flex_app_chain_99.gif differ
diff --git a/icons/nanos_app_chain_401697.gif b/icons/nanos_app_chain_401697.gif
deleted file mode 100644
index d15c937..0000000
Binary files a/icons/nanos_app_chain_401697.gif and /dev/null differ
diff --git a/icons/stax_app_chain_401697.gif b/icons/stax_app_chain_401697.gif
deleted file mode 100644
index cd3e946..0000000
Binary files a/icons/stax_app_chain_401697.gif and /dev/null differ
diff --git a/ledger_app.toml b/ledger_app.toml
index 5c2fe30..1636e4d 100644
--- a/ledger_app.toml
+++ b/ledger_app.toml
@@ -1,7 +1,7 @@
 [app]
 build_directory = "./"
 sdk = "C"
-devices = ["nanos", "nanox", "nanos+", "stax"]
+devices = ["nanos", "nanox", "nanos+", "stax", "flex"]
 
 [use_cases] # Coherent build options that make sense for your application
 debug = "DEBUG=1"
diff --git a/src_nbgl/ui_approve_tx.c b/src_nbgl/ui_approve_tx.c
index 7e2f59d..8abcdf1 100644
--- a/src_nbgl/ui_approve_tx.c
+++ b/src_nbgl/ui_approve_tx.c
@@ -155,7 +155,7 @@ static void pageCallback(int token, uint8_t index) {
 static void reviewContinue(void) {
     if (tx_approval_context.blindSigning) {
         nbgl_pageInfoDescription_t info = {
-            .centeredInfo.icon = &C_round_warning_64px,
+            .centeredInfo.icon = &C_Important_Circle_64px,
             .centeredInfo.text1 = "Blind Signing",
             .centeredInfo.text2 =
                 "This transaction cannot be\nsecurely interpreted by Ledger\nStax. It might put "
diff --git a/src_nbgl/ui_message_signing.c b/src_nbgl/ui_message_signing.c
index 51e1a7e..40544df 100644
--- a/src_nbgl/ui_message_signing.c
+++ b/src_nbgl/ui_message_signing.c
@@ -33,7 +33,7 @@ void ui_message_start(const char *title,
                       void (*rejected_func)(void)) {
     g_approved_func = approved_func;
     g_rejected_func = rejected_func;
-    nbgl_useCaseReviewStart(&C_Message_64px,
+    nbgl_useCaseReviewStart(&C_Review_64px,
                             title,
                             NULL,
                             REJECT_BUTTON,
diff --git a/src_nbgl/ui_sign_712.c b/src_nbgl/ui_sign_712.c
index c612fcf..b4707f8 100644
--- a/src_nbgl/ui_sign_712.c
+++ b/src_nbgl/ui_sign_712.c
@@ -26,16 +26,12 @@ static bool display_review_page(uint8_t page, nbgl_pageContent_t *content) {
     switch (page) {
         case 0:
             // limit the value to one page
-            nbgl_getTextMaxLenInNbLines(BAGL_FONT_INTER_MEDIUM_32px,
+            nbgl_getTextMaxLenInNbLines(LARGE_MEDIUM_FONT,
                                         strings.tmp.tmp,
                                         SCREEN_WIDTH - (2 * BORDER_MARGIN),
                                         NB_MAX_LINES_IN_REVIEW,
-#if (API_LEVEL == 0 || API_LEVEL >= 14)
                                         &len,
                                         false);
-#else
-                                        &len);
-#endif
             strings.tmp.tmp[len] = '\0';
 
             pair.item = strings.tmp.tmp2;
diff --git a/src_nbgl/ui_sign_message.c b/src_nbgl/ui_sign_message.c
index a85d98b..50ec141 100644
--- a/src_nbgl/ui_sign_message.c
+++ b/src_nbgl/ui_sign_message.c
@@ -43,7 +43,7 @@ static bool display_message(nbgl_pageContent_t *content) {
         strncpy(g_stax_shared_buffer + eip191MessageIdx,
                 strings.tmp.tmp + stringsTmpTmpIdx,
                 SHARED_BUFFER_SIZE - eip191MessageIdx);
-        reached = nbgl_getTextMaxLenInNbLines(BAGL_FONT_INTER_MEDIUM_32px,
+        reached = nbgl_getTextMaxLenInNbLines(LARGE_MEDIUM_FONT,
                                               (char *) g_stax_shared_buffer,
                                               SCREEN_WIDTH - (2 * BORDER_MARGIN),
                                               NB_MAX_LINES_IN_REVIEW,
@@ -91,7 +91,7 @@ static bool display_sign(nbgl_pageContent_t *content) {
     bool ret = false;
 
     if (g_position != UI_SIGNING_POSITION_SIGN) {
-        content->type = INFO_LONG_PRESS, content->infoLongPress.icon = &C_Message_64px;
+        content->type = INFO_LONG_PRESS, content->infoLongPress.icon = &C_Review_64px;
         content->infoLongPress.text = TEXT_SIGN_EIP191;
         content->infoLongPress.longPressText = SIGN_BUTTON;
         g_position = UI_SIGNING_POSITION_SIGN;
diff --git a/src_nbgl/ui_warning_contract_data.c b/src_nbgl/ui_warning_contract_data.c
index 2619dce..6a0e317 100644
--- a/src_nbgl/ui_warning_contract_data.c
+++ b/src_nbgl/ui_warning_contract_data.c
@@ -12,7 +12,7 @@ static void ui_warning_contract_data_choice(bool confirm) {
 }
 
 void ui_warning_contract_data(void) {
-    nbgl_useCaseChoice(&C_warning64px,
+    nbgl_useCaseChoice(&C_Warning_64px,
                        "This message cannot\nbe clear-signed",
                        "Enable blind-signing in\nthe settings to sign\nthis transaction.",
                        "Exit",
diff --git a/tools/gen_networks.py b/tools/gen_networks.py
index 7c91b17..08b3da0 100755
--- a/tools/gen_networks.py
+++ b/tools/gen_networks.py
@@ -19,7 +19,7 @@ class Network:
 
 
 def get_network_glyph_name(net: Network) -> str:
-    return "stax_chain_%u_64px" % (net.chain_id)
+    return "chain_%u_64px" % (net.chain_id)
 
 
 def get_header() -> str: