diff --git a/.changeset/good-boats-breathe.md b/.changeset/good-boats-breathe.md
new file mode 100644
index 000000000000..190b1a234f17
--- /dev/null
+++ b/.changeset/good-boats-breathe.md
@@ -0,0 +1,9 @@
+---
+"ledger-live-desktop": minor
+"live-mobile": minor
+"@ledgerhq/live-wallet": minor
+"@ledgerhq/trustchain": minor
+"@ledgerhq/web-tools": minor
+---
+
+Ledger Sync - Added a Loading screen on LLM and LLD when initializing ledger sync while accounts are synchronizing
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useAddMember.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useAddMember.ts
index ee1fe3701d99..2bff58d10c50 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useAddMember.ts
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useAddMember.ts
@@ -34,10 +34,12 @@ export function useAddMember({ device }: { device: Device | null }) {
       dispatch(
         setFlow({
           flow: Flow.Activation,
-          step:
+          step: Step.ActivationLoading,
+          nextStep:
             trustchainResult.type === TrustchainResultType.created
               ? Step.ActivationFinal
               : Step.SynchronizationFinal,
+          hasTrustchainBeenCreated: trustchainResult.type === TrustchainResultType.created,
         }),
       );
     },
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useFlows.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useFlows.ts
index 23b813d7b5ab..187b41c72902 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useFlows.ts
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useFlows.ts
@@ -23,9 +23,10 @@ export const FlowOptions: Record<
       1: Step.CreateOrSynchronize,
       2: Step.DeviceAction,
       3: Step.CreateOrSynchronizeTrustChain,
-      4: Step.ActivationFinal,
-      5: Step.SynchronizationFinal,
-      6: Step.SynchronizationError,
+      4: Step.ActivationLoading,
+      5: Step.ActivationFinal,
+      6: Step.SynchronizationFinal,
+      7: Step.SynchronizationError,
     },
   },
   [Flow.Synchronize]: {
@@ -33,7 +34,8 @@ export const FlowOptions: Record<
       1: Step.SynchronizeMode,
       2: Step.SynchronizeWithQRCode,
       3: Step.PinCode,
-      4: Step.Synchronized,
+      4: Step.SynchronizeLoading,
+      5: Step.Synchronized,
     },
   },
   [Flow.ManageBackup]: {
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
index 4e44acbc349f..a7f8c5a2d09e 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
@@ -25,6 +25,7 @@ export enum AnalyticsPage {
   DesktopSync = "Sync from a desktop",
   KeyCreated = "Backup creation success",
   KeyUpdated = "Sync apps success",
+  Loading = "Loading",
 
   SyncWithQR = "Sync with QR code",
   PinCode = "Pin code",
@@ -60,6 +61,7 @@ export const StepMappedToAnalytics: Record<Step, string> = {
   [Step.CreateOrSynchronize]: AnalyticsPage.Activation,
   [Step.DeviceAction]: AnalyticsPage.DeviceActionActivation,
   [Step.CreateOrSynchronizeTrustChain]: AnalyticsPage.CreateOrSynchronizeTrustChain,
+  [Step.ActivationLoading]: AnalyticsPage.Loading,
   [Step.ActivationFinal]: AnalyticsPage.KeyCreated,
   [Step.SynchronizationFinal]: AnalyticsPage.KeyUpdated,
   [Step.SynchronizationError]: AnalyticsPage.SynchronizationError,
@@ -69,6 +71,7 @@ export const StepMappedToAnalytics: Record<Step, string> = {
   //Synchronize
   [Step.SynchronizeMode]: AnalyticsPage.SyncMethod,
   [Step.SynchronizeWithQRCode]: AnalyticsPage.SyncWithQR,
+  [Step.SynchronizeLoading]: AnalyticsPage.Loading,
   [Step.PinCode]: AnalyticsPage.PinCode,
   [Step.PinCodeError]: AnalyticsPage.PinCodeError,
   [Step.Synchronized]: AnalyticsPage.KeyUpdated,
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLoadingStep.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLoadingStep.ts
new file mode 100644
index 000000000000..75b9c1a1b592
--- /dev/null
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useLoadingStep.ts
@@ -0,0 +1,43 @@
+import { useEffect, useState } from "react";
+import { useDispatch, useSelector } from "react-redux";
+import { setFlow } from "~/renderer/actions/walletSync";
+import { walletSyncFlowSelector, walletSyncNextStepSelector } from "~/renderer/reducers/walletSync";
+import { useWalletSyncUserState } from "../components/WalletSyncContext";
+import { useFeature } from "@ledgerhq/live-common/featureFlags/index";
+
+export function useLoadingStep() {
+  const dispatch = useDispatch();
+  const [waitedWatchLoop, setWaitedWatchLoop] = useState(false);
+  const { visualPending } = useWalletSyncUserState();
+  const nextStep = useSelector(walletSyncNextStepSelector);
+  const flow = useSelector(walletSyncFlowSelector);
+  const featureWalletSync = useFeature("lldWalletSync");
+  const initialTimeout = featureWalletSync?.params?.watchConfig?.initialTimeout || 1000;
+  const visualPendingTimeout = 1000;
+
+  useEffect(() => {
+    const timeout = setTimeout(
+      () => {
+        setWaitedWatchLoop(true);
+      },
+      initialTimeout + visualPendingTimeout + 500,
+    );
+
+    return () => {
+      clearTimeout(timeout);
+    };
+  }, [initialTimeout]);
+
+  useEffect(() => {
+    if (waitedWatchLoop && !visualPending && nextStep) {
+      dispatch(
+        setFlow({
+          flow,
+          step: nextStep,
+          nextStep: null,
+          hasTrustchainBeenCreated: null,
+        }),
+      );
+    }
+  }, [waitedWatchLoop, visualPending, dispatch, flow, nextStep]);
+}
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useQRCode.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useQRCode.ts
index 255190e7ed8f..1bff7965d274 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useQRCode.ts
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useQRCode.ts
@@ -73,7 +73,14 @@ export function useQRCode() {
         if (newTrustchain) {
           dispatch(setTrustchain(newTrustchain));
         }
-        dispatch(setFlow({ flow: Flow.Synchronize, step: Step.Synchronized }));
+        dispatch(
+          setFlow({
+            flow: Flow.Synchronize,
+            step: Step.SynchronizeLoading,
+            nextStep: Step.Synchronized,
+            hasTrustchainBeenCreated: false,
+          }),
+        );
         queryClient.invalidateQueries({ queryKey: [QueryKey.getMembers] });
         setUrl(null);
         dispatch(setQrCodePinCode(null));
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useWatchWalletSync.ts b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useWatchWalletSync.ts
index 18dd0a23192d..48260ce2bca6 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useWatchWalletSync.ts
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/hooks/useWatchWalletSync.ts
@@ -129,7 +129,6 @@ export function useWatchWalletSync(): WalletSyncUserState {
   // pull and push wallet sync loop
   useEffect(() => {
     const canNotRunWatchLoop = !featureWalletSync?.enabled || !trustchain || !memberCredentials;
-
     if (canNotRunWatchLoop) {
       onUserRefreshRef.current = noop;
       setVisualPending(false);
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/04-LoadingStep.tsx b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/04-LoadingStep.tsx
new file mode 100644
index 000000000000..95d6b36eca72
--- /dev/null
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/04-LoadingStep.tsx
@@ -0,0 +1,25 @@
+import React from "react";
+import Loading from "../../components/LoadingStep";
+import { useTranslation } from "react-i18next";
+import { AnalyticsPage } from "../../hooks/useLedgerSyncAnalytics";
+import TrackPage from "~/renderer/analytics/TrackPage";
+import { useLoadingStep } from "../../hooks/useLoadingStep";
+import { walletSyncHasTrustchainBeenCreatedSelector } from "~/renderer/reducers/walletSync";
+import { useSelector } from "react-redux";
+
+export default function ActivationLoadingStep() {
+  useLoadingStep();
+  const hasTrustchainBeenCreated = useSelector(walletSyncHasTrustchainBeenCreatedSelector);
+  const { t } = useTranslation();
+  const title = "walletSync.loading.title";
+  const subtitle = hasTrustchainBeenCreated
+    ? "walletSync.loading.activation"
+    : "walletSync.loading.synch";
+
+  return (
+    <>
+      <TrackPage category={String(AnalyticsPage.Loading)} />
+      <Loading title={t(title)} subtitle={t(subtitle)} />
+    </>
+  );
+}
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/04-ActivationFinalStep.tsx b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/05-ActivationFinalStep.tsx
similarity index 100%
rename from apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/04-ActivationFinalStep.tsx
rename to apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/05-ActivationFinalStep.tsx
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/05-ActivationOrSyncError.tsx b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/06-ActivationOrSyncError.tsx
similarity index 100%
rename from apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/05-ActivationOrSyncError.tsx
rename to apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/06-ActivationOrSyncError.tsx
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/index.tsx b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/index.tsx
index 0094cbda03d0..ecf2fa2a1792 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/index.tsx
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Activation/index.tsx
@@ -8,9 +8,10 @@ import { FlowOptions, useFlows } from "../../hooks/useFlows";
 import CreateOrSynchronizeStep from "./01-CreateOrSynchronizeStep";
 import DeviceActionStep from "./02-DeviceActionStep";
 import ActivationOrSynchroWithTrustchain from "./03-ActivationOrSynchroWithTrustchain";
-import ActivationFinalStep from "./04-ActivationFinalStep";
+import LoadingStep from "./04-LoadingStep";
+import ActivationFinalStep from "./05-ActivationFinalStep";
 import { Device } from "@ledgerhq/live-common/hw/actions/types";
-import ErrorStep from "./05-ActivationOrSyncError";
+import ErrorStep from "./06-ActivationOrSyncError";
 import {
   AnalyticsPage,
   useLedgerSyncAnalytics,
@@ -70,6 +71,8 @@ const WalletSyncActivation = forwardRef<BackRef, BackProps>((_props, ref) => {
         return <DeviceActionStep goNext={goToActivationOrSynchroWithTrustchain} />;
       case Step.CreateOrSynchronizeTrustChain:
         return <ActivationOrSynchroWithTrustchain device={device} />;
+      case Step.ActivationLoading:
+        return <LoadingStep />;
       case Step.ActivationFinal:
         return <ActivationFinalStep isNewBackup={true} />;
       case Step.SynchronizationFinal:
diff --git a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Synchronize/index.tsx b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Synchronize/index.tsx
index a3a5dcd0d0f9..b81e76218a68 100644
--- a/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Synchronize/index.tsx
+++ b/apps/ledger-live-desktop/src/newArch/features/WalletSync/screens/Synchronize/index.tsx
@@ -18,6 +18,7 @@ import UnbackedErrorStep from "./05-UnbackedError";
 import { BackProps, BackRef } from "../router";
 import AlreadyCreatedWithSameSeedStep from "./06-ActivationAlreadyCreatedSame";
 import AlreadyCreatedOtherSeedStep from "./07-ActivationAlreadyCreatedOther";
+import ActivationLoadingStep from "../Activation/04-LoadingStep";
 
 const SynchronizeWallet = forwardRef<BackRef, BackProps>((_props, ref) => {
   const dispatch = useDispatch();
@@ -80,6 +81,8 @@ const SynchronizeWallet = forwardRef<BackRef, BackProps>((_props, ref) => {
         return <AlreadyCreatedWithSameSeedStep />;
       case Step.AlreadySecuredOtherSeed:
         return <AlreadyCreatedOtherSeedStep />;
+      case Step.SynchronizeLoading:
+        return <ActivationLoadingStep />;
 
       case Step.Synchronized:
         return <SyncFinalStep />;
diff --git a/apps/ledger-live-desktop/src/renderer/actions/walletSync.ts b/apps/ledger-live-desktop/src/renderer/actions/walletSync.ts
index 70d274509d8b..6c857dc5e9f6 100644
--- a/apps/ledger-live-desktop/src/renderer/actions/walletSync.ts
+++ b/apps/ledger-live-desktop/src/renderer/actions/walletSync.ts
@@ -1,7 +1,7 @@
 import { TrustchainMember } from "@ledgerhq/trustchain/types";
-import { Flow, Step } from "../reducers/walletSync";
+import { ChangeFlowPayload } from "../reducers/walletSync";
 
-export const setFlow = (payload: { flow: Flow; step: Step }) => ({
+export const setFlow = (payload: ChangeFlowPayload) => ({
   type: "WALLET_SYNC_CHANGE_FLOW",
   payload,
 });
diff --git a/apps/ledger-live-desktop/src/renderer/reducers/walletSync.ts b/apps/ledger-live-desktop/src/renderer/reducers/walletSync.ts
index 14734ae73e27..49bca4bb680a 100644
--- a/apps/ledger-live-desktop/src/renderer/reducers/walletSync.ts
+++ b/apps/ledger-live-desktop/src/renderer/reducers/walletSync.ts
@@ -21,6 +21,7 @@ export enum Step {
   CreateOrSynchronize = "CreateOrSynchronize",
   DeviceAction = "DeviceAction",
   CreateOrSynchronizeTrustChain = "CreateOrSynchronizeTrustChain",
+  ActivationLoading = "ActivationLoading",
   ActivationFinal = "ActivationFinal",
   SynchronizationFinal = "SynchronizationFinal",
   SynchronizationError = "SynchronizationError",
@@ -32,6 +33,7 @@ export enum Step {
   SynchronizeWithQRCode = "SynchronizeWithQRCode",
   PinCode = "PinCode",
   PinCodeError = "PinCodeError",
+  SynchronizeLoading = "SynchronizeLoading",
   UnbackedError = "UnbackedError",
   Synchronized = "Synchronized",
 
@@ -52,6 +54,8 @@ export type WalletSyncState = {
   isDrawerOpen: boolean;
   flow: Flow;
   step: Step;
+  nextStep: Step | null;
+  hasTrustchainBeenCreated: boolean | null;
   instances: TrustchainMember[];
   hasBeenfaked: boolean;
   qrCodeUrl: string | null;
@@ -62,15 +66,24 @@ export const initialStateWalletSync: WalletSyncState = {
   isDrawerOpen: false,
   flow: Flow.Activation,
   step: Step.CreateOrSynchronize,
+  nextStep: null,
+  hasTrustchainBeenCreated: null,
   instances: [],
   hasBeenfaked: false,
   qrCodePinCode: null,
   qrCodeUrl: null,
 };
 
+export type ChangeFlowPayload = {
+  flow: Flow;
+  step: Step;
+  nextStep?: Step | null;
+  hasTrustchainBeenCreated?: boolean | null;
+};
+
 type HandlersPayloads = {
   WALLET_SYNC_CHANGE_DRAWER_VISIBILITY: boolean;
-  WALLET_SYNC_CHANGE_FLOW: { flow: Flow; step: Step };
+  WALLET_SYNC_CHANGE_FLOW: ChangeFlowPayload;
   WALLET_SYNC_CHANGE_ADD_INSTANCE: TrustchainMember;
   WALLET_SYNC_CHANGE_REMOVE_INSTANCE: TrustchainMember;
   WALLET_SYNC_CHANGE_CLEAN_INSTANCES: undefined;
@@ -96,11 +109,15 @@ const handlers: WalletSyncHandlers = {
   }),
   WALLET_SYNC_CHANGE_FLOW: (
     state: WalletSyncState,
-    { payload: { flow, step } }: { payload: { flow: Flow; step: Step } },
+    {
+      payload: { flow, step, nextStep = null, hasTrustchainBeenCreated = null },
+    }: { payload: ChangeFlowPayload },
   ) => ({
     ...state,
     flow,
     step,
+    nextStep,
+    hasTrustchainBeenCreated,
   }),
   WALLET_SYNC_CHANGE_ADD_INSTANCE: (
     state: WalletSyncState,
@@ -151,6 +168,11 @@ export const walletSyncFlowSelector = (state: { walletSync: WalletSyncState }) =
   state.walletSync.flow;
 export const walletSyncStepSelector = (state: { walletSync: WalletSyncState }) =>
   state.walletSync.step;
+export const walletSyncNextStepSelector = (state: { walletSync: WalletSyncState }) =>
+  state.walletSync.nextStep;
+export const walletSyncHasTrustchainBeenCreatedSelector = (state: {
+  walletSync: WalletSyncState;
+}) => state.walletSync.hasTrustchainBeenCreated;
 export const walletSyncInstancesSelector = (state: { walletSync: WalletSyncState }) =>
   state.walletSync.instances;
 
diff --git a/apps/ledger-live-mobile/src/components/RootNavigator/types/WalletSyncNavigator.ts b/apps/ledger-live-mobile/src/components/RootNavigator/types/WalletSyncNavigator.ts
index 7e823a4d5672..3c235e807c66 100644
--- a/apps/ledger-live-mobile/src/components/RootNavigator/types/WalletSyncNavigator.ts
+++ b/apps/ledger-live-mobile/src/components/RootNavigator/types/WalletSyncNavigator.ts
@@ -8,6 +8,10 @@ export type WalletSyncNavigatorStackParamList = {
     created: boolean;
   };
 
+  [ScreenName.WalletSyncLoading]: {
+    created: boolean;
+  };
+
   [ScreenName.WalletSyncActivationProcess]: undefined;
   [ScreenName.WalletSyncActivated]: undefined;
 
diff --git a/apps/ledger-live-mobile/src/const/navigation.ts b/apps/ledger-live-mobile/src/const/navigation.ts
index 29aa26204fee..18276c9d3d7b 100644
--- a/apps/ledger-live-mobile/src/const/navigation.ts
+++ b/apps/ledger-live-mobile/src/const/navigation.ts
@@ -514,6 +514,7 @@ export enum ScreenName {
   WalletSyncActivationInit = "WalletSyncActivationInit",
   WalletSyncActivationProcess = "WalletSyncActivationProcess",
   WalletSyncSuccess = "WalletSyncSuccess",
+  WalletSyncLoading = "WalletSyncLoading",
   WalletSyncActivated = "WalletSyncActivated",
   WalletSyncManageKeyDeleteSuccess = "WalletSyncManageKeyDeleteSuccess",
   WalletSyncUnSynchSuccess = "WalletSyncUnSynchSuccess",
diff --git a/apps/ledger-live-mobile/src/locales/en/common.json b/apps/ledger-live-mobile/src/locales/en/common.json
index ce63fc761d40..7c761ca6e0ed 100644
--- a/apps/ledger-live-mobile/src/locales/en/common.json
+++ b/apps/ledger-live-mobile/src/locales/en/common.json
@@ -6746,6 +6746,11 @@
       "title": "Continue on your Ledger {{wording}}",
       "description": "Follow the instruction which appear on your Ledger’s Trusted Display."
     },
+    "loading": {
+      "title": "Hang tight...",
+      "activation": "Your data is being end-to-end encrypted... ",
+      "synch": "We are updating the synched instances..."
+    },
     "success": {
       "sync": "Synchronization successful!",
       "syncDesc": "Changes in your accounts will now automatically appear across all apps and platforms.",
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/WalletSyncNavigator.tsx b/apps/ledger-live-mobile/src/newArch/features/WalletSync/WalletSyncNavigator.tsx
index cc979921e68d..4569adcf6a7c 100644
--- a/apps/ledger-live-mobile/src/newArch/features/WalletSync/WalletSyncNavigator.tsx
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/WalletSyncNavigator.tsx
@@ -7,12 +7,14 @@ import { WalletSyncNavigatorStackParamList } from "../../../components/RootNavig
 import WalletSyncActivation from "LLM/features/WalletSync/screens/Activation";
 import { ActivationProcess } from "./screens/Activation/ActivationProcess";
 import { ActivationSuccess } from "./screens/Activation/ActivationSuccess";
+import { ActivationLoading } from "./screens/Activation/ActivationLoading";
 import { useInitMemberCredentials } from "./hooks/useInitMemberCredentials";
 import WalletSyncManage from "./screens/Manage";
 import { useTranslation } from "react-i18next";
 import { WalletSyncManageKeyDeletionSuccess } from "./screens/ManageKey/DeletionSuccess";
 import { ManageInstancesProcess } from "./screens/ManageInstances/ManageInstancesProcess";
 import { WalletSyncManageInstanceDeletionSuccess } from "./screens/ManageInstances/DeletionSuccess";
+import { NavigationHeaderCloseButton } from "~/components/NavigationHeaderCloseButton";
 
 const Stack = createStackNavigator<WalletSyncNavigatorStackParamList>();
 
@@ -40,6 +42,15 @@ export default function WalletSyncNavigator() {
           headerRight: () => null,
         }}
       />
+      <Stack.Screen
+        name={ScreenName.WalletSyncLoading}
+        component={ActivationLoading}
+        options={{
+          title: "",
+          headerLeft: () => null,
+          headerRight: () => <NavigationHeaderCloseButton />,
+        }}
+      />
 
       <Stack.Screen
         name={ScreenName.WalletSyncSuccess}
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useAddMember.ts b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useAddMember.ts
index ec3833947489..39934b99a3b0 100644
--- a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useAddMember.ts
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useAddMember.ts
@@ -23,7 +23,7 @@ export function useAddMember({ device }: { device: Device | null }): DrawerProps
   const transitionToNextScreen = useCallback(
     (trustchainResult: TrustchainResult) => {
       dispatch(setTrustchain(trustchainResult.trustchain));
-      navigation.navigate(ScreenName.WalletSyncSuccess, {
+      navigation.navigate(ScreenName.WalletSyncLoading, {
         created: trustchainResult.type === TrustchainResultType.created,
       });
     },
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
index 1a1538e9b6cb..73488470b292 100644
--- a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLedgerSyncAnalytics.ts
@@ -9,6 +9,7 @@ export enum AnalyticsPage {
   SyncWithQrCode = "Sync with QR code",
   PinCode = "Pin code",
   PinCodesDoNotMatch = "Pin codes don't match",
+  Loading = "Loading",
   SettingsGeneral = "Settings General",
   LedgerSyncSettings = "Ledger Sync Settings",
   ManageSyncInstances = "Manage synchronized instances",
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLoadingStep.ts b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLoadingStep.ts
new file mode 100644
index 000000000000..db5811dc387a
--- /dev/null
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useLoadingStep.ts
@@ -0,0 +1,38 @@
+import { useEffect, useState } from "react";
+import { useWalletSyncUserState } from "../components/WalletSyncContext";
+import { useFeature } from "@ledgerhq/live-common/featureFlags/index";
+import { NavigatorName, ScreenName } from "~/const";
+import { useNavigation } from "@react-navigation/core";
+
+export function useLoadingStep(created: boolean) {
+  const [waitedWatchLoop, setWaitedWatchLoop] = useState(false);
+  const { visualPending } = useWalletSyncUserState();
+  const featureWalletSync = useFeature("llmWalletSync");
+  const initialTimeout = featureWalletSync?.params?.watchConfig?.initialTimeout || 1000;
+  const visualPendingTimeout = 1000;
+  const navigation = useNavigation();
+
+  useEffect(() => {
+    const timeout = setTimeout(
+      () => {
+        setWaitedWatchLoop(true);
+      },
+      initialTimeout + visualPendingTimeout + 500,
+    );
+
+    return () => {
+      clearTimeout(timeout);
+    };
+  }, [initialTimeout]);
+
+  useEffect(() => {
+    if (waitedWatchLoop && !visualPending) {
+      navigation.navigate(NavigatorName.WalletSync, {
+        screen: ScreenName.WalletSyncSuccess,
+        params: {
+          created,
+        },
+      });
+    }
+  }, [waitedWatchLoop, visualPending, navigation, created]);
+}
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useQRCodeHost.ts b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useQRCodeHost.ts
index fa314a197dad..2930b58249f5 100644
--- a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useQRCodeHost.ts
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useQRCodeHost.ts
@@ -74,7 +74,7 @@ export function useQRCodeHost({ setCurrentStep, currentStep, currentOption }: Pr
         }
         queryClient.invalidateQueries({ queryKey: [QueryKey.getMembers] });
         navigation.navigate(NavigatorName.WalletSync, {
-          screen: ScreenName.WalletSyncSuccess,
+          screen: ScreenName.WalletSyncLoading,
           params: {
             created: false,
           },
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useSyncWithQrCode.ts b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useSyncWithQrCode.ts
index 66a613cde89e..475eb22f71e4 100644
--- a/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useSyncWithQrCode.ts
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/hooks/useSyncWithQrCode.ts
@@ -35,7 +35,7 @@ export const useSyncWithQrCode = () => {
     setInput(null);
     setInputCallback(null);
     navigation.navigate(NavigatorName.WalletSync, {
-      screen: ScreenName.WalletSyncSuccess,
+      screen: ScreenName.WalletSyncLoading,
       params: {
         created: false,
       },
diff --git a/apps/ledger-live-mobile/src/newArch/features/WalletSync/screens/Activation/ActivationLoading.tsx b/apps/ledger-live-mobile/src/newArch/features/WalletSync/screens/Activation/ActivationLoading.tsx
new file mode 100644
index 000000000000..ea78ef6bc97c
--- /dev/null
+++ b/apps/ledger-live-mobile/src/newArch/features/WalletSync/screens/Activation/ActivationLoading.tsx
@@ -0,0 +1,51 @@
+import React from "react";
+import { WalletSyncNavigatorStackParamList } from "~/components/RootNavigator/types/WalletSyncNavigator";
+import { ScreenName } from "~/const";
+import { BaseComposite, StackNavigatorProps } from "~/components/RootNavigator/types/helpers";
+import { useLoadingStep } from "../../hooks/useLoadingStep";
+import { TrackScreen } from "~/analytics";
+import { AnalyticsPage } from "../../hooks/useLedgerSyncAnalytics";
+import GradientContainer from "~/components/GradientContainer";
+import Animation from "~/components/Animation";
+import { Flex, Text } from "@ledgerhq/native-ui";
+import lottie from "~/screens/ReceiveFunds/assets/lottie.json";
+import { useTheme } from "styled-components/native";
+import { useTranslation } from "react-i18next";
+
+type Props = BaseComposite<
+  StackNavigatorProps<WalletSyncNavigatorStackParamList, ScreenName.WalletSyncLoading>
+>;
+
+export function ActivationLoading({ route }: Props) {
+  const { created } = route.params;
+  const { colors } = useTheme();
+  const { t } = useTranslation();
+  const title = "walletSync.loading.title";
+  const subtitle = created ? "walletSync.loading.activation" : "walletSync.loading.synch";
+  useLoadingStep(created);
+
+  return (
+    <>
+      <TrackScreen category={AnalyticsPage.Loading} />
+      <GradientContainer
+        color={colors.background.main}
+        startOpacity={1}
+        endOpacity={0}
+        containerStyle={{ borderRadius: 0, position: "absolute", bottom: 0, left: 0 }}
+        gradientStyle={{ zIndex: 1 }}
+      >
+        <Animation style={{ width: "100%" }} source={lottie} />
+      </GradientContainer>
+      <Flex flex={1} position="relative">
+        <Flex flex={1} alignItems="center" justifyContent="center" m={6}>
+          <Text variant="h4" fontWeight="semiBold" textAlign="center">
+            {t(title)}
+          </Text>
+          <Text mt={6} textAlign="center" variant="body" fontWeight="medium" color="neutral.c80">
+            {t(subtitle)}
+          </Text>
+        </Flex>
+      </Flex>
+    </>
+  );
+}
diff --git a/libs/live-wallet/src/walletsync/createWalletSyncWatchLoop.ts b/libs/live-wallet/src/walletsync/createWalletSyncWatchLoop.ts
index a1e54dba9ab4..60c9de17f14c 100644
--- a/libs/live-wallet/src/walletsync/createWalletSyncWatchLoop.ts
+++ b/libs/live-wallet/src/walletsync/createWalletSyncWatchLoop.ts
@@ -171,7 +171,7 @@ export function createWalletSyncWatchLoop<UserState, LocalState, Update, Schema
 
   const notificationsEnabled = watchConfig?.notificationsEnabled || false;
   const pollingInterval = watchConfig?.pollingInterval || 10000;
-  const initialTimeout = watchConfig?.initialTimeout || 5000;
+  const initialTimeout = watchConfig?.initialTimeout || 1000;
   const userIntentDebounce = watchConfig?.userIntentDebounce || 1000;
 
   // main loop