diff --git a/app/Makefile b/app/Makefile
index 3845ae9c..34a37920 100755
--- a/app/Makefile
+++ b/app/Makefile
@@ -89,17 +89,16 @@ $(info PATHS LIST = $(APPPATH))
 
 APP_LOAD_PARAMS = --curve ed25519 $(COMMON_LOAD_PARAMS) --path $(APPPATH)
 
-ifeq ($(TARGET_NAME),TARGET_NANOS)
-	APP_STACK_MIN_SIZE := 1600
-else
-	APP_STACK_MIN_SIZE := 1752
-endif
-
 include $(CURDIR)/../deps/ledger-zxlib/makefiles/Makefile.devices
 
-DEFAULT_ICON = nanos_$(ICON_NAME).gif
+DEFAULT_NANOS_ICON = nanos_$(ICON_NAME).gif
+DEFAULT_NBGL_ICON_32 = stax_$(ICON_NAME).gif
+DEFAULT_NBGL_ICON_64 = stax_$(ICON_NAME)_64.gif
+
 copy_icon:
-	cp $(DEFAULT_ICON) glyphs/icon_app.gif
+	cp $(DEFAULT_NANOS_ICON) glyphs/icon_app.gif
+	cp $(DEFAULT_NBGL_ICON_32) glyphs/icon_stax_32.gif
+	cp $(DEFAULT_NBGL_ICON_64) glyphs/icon_stax_64.gif
 
 all: copy_icon
 
diff --git a/app/Makefile.version b/app/Makefile.version
index b20579fa..2718d742 100644
--- a/app/Makefile.version
+++ b/app/Makefile.version
@@ -3,4 +3,4 @@ APPVERSION_M=100
 # This is the `spec_version` field of `Runtime`
 APPVERSION_N=0
 # This is the patch version of this release
-APPVERSION_P=5
+APPVERSION_P=8
diff --git a/app/flex_icon.gif b/app/flex_icon.gif
new file mode 100644
index 00000000..71c3a055
Binary files /dev/null and b/app/flex_icon.gif differ
diff --git a/app/flex_migration.gif b/app/flex_migration.gif
new file mode 100644
index 00000000..d24bdb7d
Binary files /dev/null and b/app/flex_migration.gif differ
diff --git a/app/src/common/migration.c b/app/src/common/migration.c
index b623614f..dce62e77 100644
--- a/app/src/common/migration.c
+++ b/app/src/common/migration.c
@@ -56,7 +56,7 @@ void migrationOk() {
 
 void migrationStartMessage() {
 #ifdef MIGRATION_APP
-#ifdef TARGET_STAX
+#if defined(TARGET_STAX) || defined(TARGET_FLEX)
     const review_type_e reviewType = REVIEW_UI;
 #else
     const review_type_e reviewType = REVIEW_MSG;
diff --git a/app/src/common/tx.c b/app/src/common/tx.c
index 17ab35f2..3a104776 100644
--- a/app/src/common/tx.c
+++ b/app/src/common/tx.c
@@ -28,7 +28,7 @@
 
 extern uint16_t blobLen;
 
-#if defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX)
+#if defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX) || defined(TARGET_FLEX)
 #define RAM_BUFFER_SIZE   16384  // 16 KiB
 #define FLASH_BUFFER_SIZE 16384  // 16 KiB
 #elif defined(TARGET_NANOS)
@@ -44,7 +44,7 @@ typedef struct {
     uint8_t buffer[FLASH_BUFFER_SIZE];
 } storage_t;
 
-#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX)
+#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX) || defined(TARGET_FLEX)
 storage_t NV_CONST N_appdata_impl __attribute__((aligned(64)));
 #define N_appdata (*(NV_VOLATILE storage_t *)PIC(&N_appdata_impl))
 #endif
diff --git a/app/src/crypto_helper.c b/app/src/crypto_helper.c
index 4f6cd487..1bcb6a5a 100644
--- a/app/src/crypto_helper.c
+++ b/app/src/crypto_helper.c
@@ -21,7 +21,7 @@
 const unsigned char SS58_BLAKE_PREFIX[] = "SS58PRE";
 #define SS58_BLAKE_PREFIX_LEN 7
 
-#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX)
+#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX) || defined(TARGET_FLEX)
 #include "cx.h"
 
 cx_err_t ss58hash(const unsigned char *in, unsigned int inLen, unsigned char *out, unsigned int outLen) {
diff --git a/app/src/metadata_reader.c b/app/src/metadata_reader.c
index 01df27ae..fa205652 100644
--- a/app/src/metadata_reader.c
+++ b/app/src/metadata_reader.c
@@ -28,7 +28,7 @@
 #include "substrate_types.h"
 #include "zxmacros.h"
 
-#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX)
+#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX) || defined(TARGET_FLEX)
 #define STACK_SHIFT   20
 #define MINIMUM_STACK 400
 #else
@@ -42,7 +42,7 @@ static uint16_t recursionDepthCounter = 0;
  * @return parser_error_t Returns parser_running_out_of_stack if stack space is insufficient, otherwise parser_ok.
  */
 parser_error_t checkStack() {
-#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX)
+#if defined(TARGET_NANOS) || defined(TARGET_NANOX) || defined(TARGET_NANOS2) || defined(TARGET_STAX) || defined(TARGET_FLEX)
     // NOLINTNEXTLINE(readability-identifier-length): here `p` is fine
     void *p = NULL;
     const uint32_t availableStack = (uint32_t)((void *)&p) + STACK_SHIFT - (uint32_t)&app_stack_canary;
@@ -65,7 +65,8 @@ parser_error_t checkStack() {
  * @return parser_error_t Always returns parser_ok.
  */
 parser_error_t freeStack() {
-#if !defined(TARGET_NANOS) && !defined(TARGET_NANOX) && !defined(TARGET_NANOS2) && !defined(TARGET_STAX)
+#if !defined(TARGET_NANOS) && !defined(TARGET_NANOX) && !defined(TARGET_NANOS2) && !defined(TARGET_STAX) && \
+    !defined(TARGET_FLEX)
     if (recursionDepthCounter > 0) {
         recursionDepthCounter--;
     }
diff --git a/app/stax_icon_64.gif b/app/stax_icon_64.gif
new file mode 100644
index 00000000..3f402f27
Binary files /dev/null and b/app/stax_icon_64.gif differ
diff --git a/app/stax_migration.gif b/app/stax_migration.gif
index 979eee9e..b2deaa4a 100644
Binary files a/app/stax_migration.gif and b/app/stax_migration.gif differ
diff --git a/app/stax_migration_64.gif b/app/stax_migration_64.gif
new file mode 100644
index 00000000..7775cec4
Binary files /dev/null and b/app/stax_migration_64.gif differ
diff --git a/deps/ledger-zxlib b/deps/ledger-zxlib
index 6c1ef972..271f40ce 160000
--- a/deps/ledger-zxlib
+++ b/deps/ledger-zxlib
@@ -1 +1 @@
-Subproject commit 6c1ef9729af5621ec4031eaa0804e2f84aecbd98
+Subproject commit 271f40ce03219eac8396a309ce9704977cf59caa
diff --git a/deps/nanos-secure-sdk b/deps/nanos-secure-sdk
index 74ca336c..b9fa0e8d 160000
--- a/deps/nanos-secure-sdk
+++ b/deps/nanos-secure-sdk
@@ -1 +1 @@
-Subproject commit 74ca336caa23db2c64cc42424ac9e32f6988df09
+Subproject commit b9fa0e8dcffbdaa086b8a20bba1ae66a16c124fa
diff --git a/deps/nanosplus-secure-sdk b/deps/nanosplus-secure-sdk
index 3e726e74..b46b4b51 160000
--- a/deps/nanosplus-secure-sdk
+++ b/deps/nanosplus-secure-sdk
@@ -1 +1 @@
-Subproject commit 3e726e74daf9827663ad7003822d1d52fa17f035
+Subproject commit b46b4b516650c08dfe913054dc7535dd52e2503a
diff --git a/deps/nanox-secure-sdk b/deps/nanox-secure-sdk
index 3e726e74..b46b4b51 160000
--- a/deps/nanox-secure-sdk
+++ b/deps/nanox-secure-sdk
@@ -1 +1 @@
-Subproject commit 3e726e74daf9827663ad7003822d1d52fa17f035
+Subproject commit b46b4b516650c08dfe913054dc7535dd52e2503a
diff --git a/deps/stax-secure-sdk b/deps/stax-secure-sdk
index 3e726e74..b46b4b51 160000
--- a/deps/stax-secure-sdk
+++ b/deps/stax-secure-sdk
@@ -1 +1 @@
-Subproject commit 3e726e74daf9827663ad7003822d1d52fa17f035
+Subproject commit b46b4b516650c08dfe913054dc7535dd52e2503a
diff --git a/ledger_app.toml b/ledger_app.toml
index 3e4cbb1f..7f63dfec 100644
--- a/ledger_app.toml
+++ b/ledger_app.toml
@@ -1,7 +1,7 @@
 [app]
 build_directory = "./app/"
 sdk = "C"
-devices = ["nanos", "nanox", "nanos+", "stax"]
+devices = ["nanos", "nanox", "nanos+", "stax", "flex"]
 
 [tests]
 unit_directory = "./tests/"
diff --git a/tests_zemu/package.json b/tests_zemu/package.json
index 85bf43cd..06f9e897 100644
--- a/tests_zemu/package.json
+++ b/tests_zemu/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "@zondax/ledger-js": "^0.10.0",
     "@zondax/ledger-substrate": "^0.44.3",
-    "@zondax/zemu": "^0.49.0"
+    "@zondax/zemu": "^0.50.2"
   },
   "devDependencies": {
     "@ledgerhq/hw-transport-node-hid": "^6.29.0",
@@ -37,8 +37,8 @@
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",
     "@types/jest": "^29.5.12",
     "@types/ledgerhq__hw-transport": "^4.21.8",
-    "@typescript-eslint/eslint-plugin": "^7.14.1",
-    "@typescript-eslint/parser": "^7.14.1",
+    "@typescript-eslint/eslint-plugin": "^7.17.0",
+    "@typescript-eslint/parser": "^7.17.0",
     "blakejs": "^1.2.1",
     "crypto-js": "4.2.0",
     "ed25519-supercop": "^2.0.1",
@@ -47,9 +47,9 @@
     "eslint-plugin-import": "^2.29.1",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-prettier": "^5.1.3",
-    "eslint-plugin-promise": "^6.2.0",
+    "eslint-plugin-promise": "^6.6.0",
     "eslint-plugin-tsdoc": "^0.3.0",
-    "eslint-plugin-unused-imports": "^4.0.0",
+    "eslint-plugin-unused-imports": "^4.0.1",
     "jest": "29.7.0",
     "jssha": "^3.3.1",
     "prettier": "^3.3.2",
diff --git a/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00000.png b/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00000.png
new file mode 100644
index 00000000..a107ccf7
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diff --git a/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00001.png b/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00001.png
new file mode 100644
index 00000000..c44d507a
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diff --git a/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00002.png b/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00002.png
new file mode 100644
index 00000000..6ba78633
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diff --git a/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00003.png b/tests_zemu/snapshots/fl-balances_force_transfer_rococo/00003.png
new file mode 100644
index 00000000..36bc8d67
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new file mode 100644
index 00000000..ecf393b9
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index 00000000..0bf2215b
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index 00000000..12b9d370
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diff --git a/tests_zemu/snapshots/fl-mainmenu/00000.png b/tests_zemu/snapshots/fl-mainmenu/00000.png
new file mode 100644
index 00000000..12b9d370
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index 00000000..1c012457
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new file mode 100644
index 00000000..96493534
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index 00000000..1c012457
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index 00000000..db7f23b7
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diff --git a/tests_zemu/snapshots/st-show_address_reject/00004.png b/tests_zemu/snapshots/st-show_address_reject/00004.png
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diff --git a/tests_zemu/snapshots/x-mainmenu/00004.png b/tests_zemu/snapshots/x-mainmenu/00004.png
index 84ef09ca..412f67a9 100644
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diff --git a/tests_zemu/snapshots/x-mainmenu/00010.png b/tests_zemu/snapshots/x-mainmenu/00010.png
index 84ef09ca..412f67a9 100644
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diff --git a/tests_zemu/tests/common.ts b/tests_zemu/tests/common.ts
index ef4c229b..661e8af7 100644
--- a/tests_zemu/tests/common.ts
+++ b/tests_zemu/tests/common.ts
@@ -7,17 +7,20 @@ const APP_PATH_S = resolve('../app/output/app_s.elf')
 const APP_PATH_X = resolve('../app/output/app_x.elf')
 const APP_PATH_SP = resolve('../app/output/app_s2.elf')
 const APP_PATH_ST = resolve('../app/output/app_stax.elf')
+const APP_PATH_FL = resolve('../app/output/app_flex.elf')
 
 const MIG_PATH_S = resolve('../app/output/migration_s.elf')
 const MIG_PATH_X = resolve('../app/output/migration_x.elf')
 const MIG_PATH_SP = resolve('../app/output/migration_s2.elf')
 const MIG_PATH_ST = resolve('../app/output/migration_stax.elf')
+const MIG_PATH_FL = resolve('../app/output/migration_flex.elf')
 
 export const models: IDeviceModel[] = [
   { name: 'nanos', prefix: 'S', path: APP_PATH_S },
   { name: 'nanox', prefix: 'X', path: APP_PATH_X },
   { name: 'nanosp', prefix: 'SP', path: APP_PATH_SP },
   { name: 'stax', prefix: 'ST', path: APP_PATH_ST },
+  { name: 'flex', prefix: 'FL', path: APP_PATH_FL },
 ]
 
 export const migrationModels: IDeviceModel[] = [
@@ -25,6 +28,7 @@ export const migrationModels: IDeviceModel[] = [
   { name: 'nanox', prefix: 'X', path: MIG_PATH_X },
   { name: 'nanosp', prefix: 'SP', path: MIG_PATH_SP },
   { name: 'stax', prefix: 'ST', path: MIG_PATH_ST },
+  { name: 'flex', prefix: 'FL', path: MIG_PATH_FL },
 ]
 
 export const defaultOptions = {
@@ -45,7 +49,7 @@ export const TEST_TRANSACTIONS = [
     blob: '04020345b98de14f55fc5171cd60c8f20ab891520610529700bb6a460e6ffeefe01a240306dae85c2cfafaef7fbe1b429bd684ca7002e55e9fff354bdacc349069fbe09a33d7607f18f06fbc4afd3990496390a89df400031a20835133efde6e46ae100c27795afb90d9257c120121710f001a0000006408de7737c59c238890533af25896a2c20608d8b380bb01029acb392781063ee62d3e65bc11b648222e470666763d880c3025f5a4b267f0edb1c301a4a6f3d501<rootHash>',
     rootHash: 'b6648e3f302d557ff1ee5e6d2462f2c668b1c4ac92db6a05c6ab857372c10a13',
     metadata:
-        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   },
 ]
 
diff --git a/tests_zemu/tests/migration.test.ts b/tests_zemu/tests/migration.test.ts
index 23c4edcd..ba4ec3ab 100644
--- a/tests_zemu/tests/migration.test.ts
+++ b/tests_zemu/tests/migration.test.ts
@@ -14,11 +14,11 @@
  *  limitations under the License.
  ******************************************************************************/
 
-import Zemu, { ButtonKind, ClickNavigation, TouchNavigation } from '@zondax/zemu'
+import Zemu, { ButtonKind, ClickNavigation, TouchNavigation, isTouchDevice } from '@zondax/zemu'
 
 import { ASTAR_PATH, defaultOptions, DOT_SS58_PREFIX, migrationModels, PATH } from './common'
 import { PolkadotGenericApp } from '@zondax/ledger-substrate'
-import { IButton } from '@zondax/zemu/dist/types'
+import { IButton, SwipeDirection } from '@zondax/zemu/dist/types'
 
 const polkadot_pk = 'e1b4d72d27b3e91b9b6116555b4ea17138ddc12ca7cdbab30e2e0509bd848419'
 const astar_pk = 'cf557b2d2bebf3e14f932fec31d2b3ea776b63eede6658e282c9ab3f27d1287b'
@@ -29,44 +29,41 @@ describe('Migration', function () {
   test.concurrent.each(migrationModels)('main menu + get version', async function (m) {
     const sim = new Zemu(m.path)
     try {
-      let migrationStartText = ''
-      switch (m.name) {
-        case 'nanos':
-          migrationStartText = 'Migration'
-          break;
-
-        case 'nanosp':
-        case 'nanox':
-          migrationStartText = 'Please'
-          break;
-
-        case 'stax':
-          migrationStartText = 'Review'
-          break;
+      let migrationStartText = 'review'
+      if (m.name === 'nanos') {
+        migrationStartText = 'Migration'
       }
 
       await sim.start({
         ...defaultOptions, startText: migrationStartText, model: m.name,
-        approveKeyword: m.name === 'stax' ? 'frequently' : '',
-        approveAction: ButtonKind.ApproveTapButton,
+        approveKeyword: isTouchDevice(m.name) ? 'Accept' : '',
+        approveAction: ButtonKind.DynamicTapButton,
       })
 
       let nav = undefined;
-      if (m.name === 'stax') {
+      if (isTouchDevice(m.name)) {
         const okButton: IButton = {
           x: 200,
           y: 550,
           delay: 0.25,
+          direction: SwipeDirection.NoSwipe,
         };
-        nav = new TouchNavigation([
-          ButtonKind.TapContinueButton,
+        nav = new TouchNavigation(m.name, [
+          ButtonKind.SwipeContinueButton,
           ButtonKind.ConfirmYesButton,
         ]);
         nav.schedule[1].button = okButton;
       } else {
         nav = new ClickNavigation([4, 0]);
       }
-      await sim.navigate('.', `${m.prefix.toLowerCase()}-migration-mainmenu`, nav.schedule);
+
+      const path = '.'
+      const testcaseName = `${m.prefix.toLowerCase()}-migration-mainmenu`
+
+      const lastIndex = await sim.navigate(path, testcaseName, nav.schedule);
+      await sim.compareSnapshots(path, testcaseName, lastIndex)
+      await sim.takeSnapshotAndOverwrite(path, testcaseName, lastIndex);
+
       const app = new PolkadotGenericApp(sim.getTransport(), 'dot')
 
       // Verify app version
diff --git a/tests_zemu/tests/raw.test.ts b/tests_zemu/tests/raw.test.ts
index 1c697d58..fd75d434 100644
--- a/tests_zemu/tests/raw.test.ts
+++ b/tests_zemu/tests/raw.test.ts
@@ -21,7 +21,7 @@ import { defaultOptions, DOT_SS58_PREFIX, PATH, models } from './common'
 import ed25519 from 'ed25519-supercop'
 import { blake2bFinal, blake2bInit, blake2bUpdate } from 'blakejs'
 import { PolkadotGenericApp } from '@zondax/ledger-substrate'
-import {ResponseError} from "@zondax/ledger-js";
+import { ResponseError } from "@zondax/ledger-js";
 
 jest.setTimeout(180000)
 
@@ -72,7 +72,7 @@ describe.each(TESTS)('Raw signing', function (data) {
   })
 })
 
-test.concurrent.each(models)('raw signing - incorrect', async function (m) {
+test.concurrent.each(models)('Raw signing - incorrect', async function (m) {
   const sim = new Zemu(m.path)
   try {
     await sim.start({ ...defaultOptions, model: m.name })
@@ -80,7 +80,7 @@ test.concurrent.each(models)('raw signing - incorrect', async function (m) {
 
     const txBlob = Buffer.from('<Bytes>Incorrect blob/Bytes>')
 
-    let errorFound:any = undefined
+    let errorFound: any = undefined
     try {
       await app.signRaw(PATH, txBlob)
     } catch (error) {
@@ -88,15 +88,15 @@ test.concurrent.each(models)('raw signing - incorrect', async function (m) {
     }
 
     console.log(errorFound)
-    
+
     expect(errorFound).toBeDefined()
     expect('returnCode' in errorFound).toBeTruthy()
     expect('errorMessage' in errorFound).toBeTruthy()
 
-    if('returnCode' in errorFound){
+    if ('returnCode' in errorFound) {
       expect(errorFound.returnCode).toBe(27012)
     }
-    if('errorMessage' in errorFound){
+    if ('errorMessage' in errorFound) {
       expect(errorFound.errorMessage).toBe("Data is invalid : Unexpected value")
     }
 
diff --git a/tests_zemu/tests/standard.test.ts b/tests_zemu/tests/standard.test.ts
index 6bd92771..f13fa450 100644
--- a/tests_zemu/tests/standard.test.ts
+++ b/tests_zemu/tests/standard.test.ts
@@ -14,7 +14,7 @@
  *  limitations under the License.
  ******************************************************************************* */
 
-import Zemu, { ButtonKind, zondaxMainmenuNavigation } from '@zondax/zemu'
+import Zemu, { ButtonKind, zondaxMainmenuNavigation, isTouchDevice } from '@zondax/zemu'
 import { defaultOptions, DOT_SS58_PREFIX, PATH, models } from './common'
 import { PolkadotGenericApp } from '@zondax/ledger-substrate'
 
@@ -85,11 +85,10 @@ describe('Standard', function () {
       await sim.start({
         ...defaultOptions,
         model: m.name,
-        approveKeyword: m.name === 'stax' ? 'Public key' : '',
-        approveAction: ButtonKind.ApproveTapButton,
+        approveKeyword: isTouchDevice(m.name) ? 'Confirm' : '',
+        approveAction: ButtonKind.DynamicTapButton,
       })
       const app = new PolkadotGenericApp(sim.getTransport(), 'dot', '')
-
       const respRequest = app.getAddress(PATH, DOT_SS58_PREFIX, true)
       // Wait until we are not in the main menu
       await sim.waitUntilScreenIsNot(sim.getMainMenuSnapshot())
@@ -112,7 +111,7 @@ describe('Standard', function () {
       await sim.start({
         ...defaultOptions,
         model: m.name,
-        rejectKeyword: m.name === 'stax' ? 'Public key' : '',
+        rejectKeyword: isTouchDevice(m.name) ? 'Public key' : '',
       })
       const app = new PolkadotGenericApp(sim.getTransport(), 'dot')
 
diff --git a/tests_zemu/tests/transactions.test.ts b/tests_zemu/tests/transactions.test.ts
index 62cb4dc9..580163cb 100644
--- a/tests_zemu/tests/transactions.test.ts
+++ b/tests_zemu/tests/transactions.test.ts
@@ -26,7 +26,7 @@ import { blake2bFinal, blake2bInit, blake2bUpdate } from 'blakejs'
 jest.setTimeout(180000)
 
 describe.each(TEST_TRANSACTIONS)('Transactions - OK', function (data) {
-  test.each(models)(`Test: ${data.name}`, async function (m) {
+  test.concurrent.each(models)(`Test: ${data.name}`, async function (m) {
     const sim = new Zemu(m.path)
     try {
       await sim.start({ ...defaultOptions, model: m.name })
@@ -63,13 +63,13 @@ describe.each(TEST_TRANSACTIONS)('Transactions - OK', function (data) {
 })
 
 describe.each(TEST_TRANSACTIONS)('Transactions - API - OK', function (data) {
-  test.each(models)(`Test: ${data.name}`, async function (m) {
+  test.concurrent.each(models)(`Test: ${data.name}`, async function (m) {
     const sim = new Zemu(m.path)
     try {
       await sim.start({ ...defaultOptions, model: m.name })
       const app = new PolkadotGenericApp(sim.getTransport(), 'roc', 'https://api.zondax.ch/polkadot/transaction/metadata')
 
-      const resp = await axios.post("https://api.zondax.ch/polkadot/node/metadata/hash", {id: 'roc'})
+      const resp = await axios.post("https://api.zondax.ch/polkadot/node/metadata/hash", { id: 'roc' })
       const blob = Buffer.from(data.blob.replace("<rootHash>", resp.data.metadataHash), 'hex')
 
       const { pubKey } = await app.getAddress(PATH, DOT_SS58_PREFIX)
@@ -100,7 +100,7 @@ describe.each(TEST_TRANSACTIONS)('Transactions - API - OK', function (data) {
 })
 
 describe.each(TEST_TRANSACTIONS_FAIL)('Transactions - FAIL', function (data) {
-  test.each(models)(`Test: ${data.name} - ${data.description}`, async function (m) {
+  test.concurrent.each(models)(`Test: ${data.name} - ${data.description}`, async function (m) {
     const sim = new Zemu(m.path)
     try {
       await sim.start({ ...defaultOptions, model: m.name })