diff --git a/src/location/trackLocation.js b/src/location/trackLocation.js
index 3dde4f6..5bab556 100644
--- a/src/location/trackLocation.js
+++ b/src/location/trackLocation.js
@@ -79,6 +79,50 @@ export default async function trackLocation() {
   // Throttling configuration for auth reload only
   const AUTH_RELOAD_THROTTLE = 5000; // 5 seconds throttle
 
+  // The core auth reload function that will be throttled
+  async function _reloadAuth() {
+    locationLogger.info("Refreshing authentication token via sync endpoint");
+
+    try {
+      // Get current auth state to check if we have an auth token
+      const { authToken, userToken } = getAuthState();
+
+      if (!authToken) {
+        locationLogger.warn("No auth token available for refresh");
+        return;
+      }
+
+      locationLogger.debug(
+        "Auth token available, updating BackgroundGeolocation config",
+      );
+
+      // Update BackgroundGeolocation config to include X-Auth-Token header
+      await BackgroundGeolocation.setConfig({
+        headers: {
+          Authorization: `Bearer ${userToken}`, // Keep existing user token (may be expired)
+          "X-Auth-Token": authToken, // Add auth token for refresh
+        },
+      });
+
+      // Trigger sync to refresh token
+      await BackgroundGeolocation.changePace(true);
+      await BackgroundGeolocation.sync();
+
+      locationLogger.info("Token refresh sync triggered successfully");
+    } catch (error) {
+      locationLogger.error("Failed to refresh authentication token", {
+        error: error.message,
+        stack: error.stack,
+      });
+    }
+  }
+
+  // Create throttled version of auth reload with lodash
+  const reloadAuth = throttle(_reloadAuth, AUTH_RELOAD_THROTTLE, {
+    leading: true,
+    trailing: false, // Prevent trailing calls to avoid duplicate refreshes
+  });
+
   // Handle auth function - no throttling or cooldown
   async function handleAuth(userToken) {
     locationLogger.info("Handling auth token update", {
@@ -236,6 +280,92 @@ export default async function trackLocation() {
       status: statusCode,
       responseText: response?.responseText,
     });
+
+    switch (statusCode) {
+      case 200:
+        // Successful response, check for token refresh
+        try {
+          const responseBody = response?.responseText
+            ? JSON.parse(response.responseText)
+            : null;
+
+          if (responseBody?.userBearerJwt) {
+            locationLogger.info(
+              "Token refresh successful, updating stored token",
+            );
+
+            // Use auth action to update both in-memory and persistent storage
+            await authActions.setUserToken(responseBody.userBearerJwt);
+
+            // Update BackgroundGeolocation config with new token
+            await BackgroundGeolocation.setConfig({
+              headers: {
+                Authorization: `Bearer ${responseBody.userBearerJwt}`,
+              },
+            });
+
+            locationLogger.debug(
+              "Updated BackgroundGeolocation with refreshed token and removed X-Auth-Token header",
+            );
+
+            Sentry.addBreadcrumb({
+              message: "Token refreshed successfully",
+              category: "geolocation-auth",
+              level: "info",
+            });
+          }
+        } catch (e) {
+          locationLogger.debug("Failed to parse successful response", {
+            error: e.message,
+            responseText: response?.responseText,
+          });
+        }
+        break;
+      case 410:
+        // Auth token expired, logout
+        locationLogger.info("Auth token expired (410), logging out");
+        Sentry.addBreadcrumb({
+          message: "Auth token expired - logging out",
+          category: "geolocation-auth",
+          level: "warning",
+        });
+        authActions.logout();
+        break;
+      case 401:
+        // Unauthorized: User token expired, refresh using throttled reload
+        locationLogger.info("Unauthorized (401), attempting to refresh token");
+
+        // Add more detailed logging of the error response
+        try {
+          const errorBody = response?.responseText
+            ? JSON.parse(response.responseText)
+            : null;
+          locationLogger.debug("Unauthorized error details", {
+            errorBody,
+            errorType: errorBody?.error?.type,
+            errorMessage: errorBody?.error?.message,
+            errorPath: errorBody?.error?.errors?.[0]?.path,
+          });
+
+          Sentry.addBreadcrumb({
+            message: "Unauthorized - refreshing token",
+            category: "geolocation-auth",
+            level: "warning",
+            data: {
+              errorType: errorBody?.error?.type,
+              errorMessage: errorBody?.error?.message,
+            },
+          });
+        } catch (e) {
+          locationLogger.debug("Failed to parse error response", {
+            error: e.message,
+            responseText: response?.responseText,
+          });
+        }
+
+        reloadAuth();
+        break;
+    }
   });
 
   try {
diff --git a/src/stores/auth.js b/src/stores/auth.js
index ca46553..4a0e602 100644
--- a/src/stores/auth.js
+++ b/src/stores/auth.js
@@ -275,6 +275,31 @@ export default createAtom(({ get, merge, getActions }) => {
     triggerReload();
   };
 
+  const setUserToken = async (userToken) => {
+    authLogger.info("Setting user token", {
+      hasToken: !!userToken,
+    });
+
+    try {
+      // Update secure storage
+      await secureStore.setItemAsync("userToken", userToken);
+
+      // Update in-memory state
+      merge({ userToken });
+
+      // Update session from JWT
+      if (userToken) {
+        const jwtData = jwtDecode(userToken);
+        sessionActions.loadSessionFromJWT(jwtData);
+      }
+
+      authLogger.debug("User token updated successfully");
+    } catch (error) {
+      authLogger.error("Failed to set user token", { error: error.message });
+      throw error;
+    }
+  };
+
   return {
     default: {
       userToken: null,
@@ -294,6 +319,7 @@ export default createAtom(({ get, merge, getActions }) => {
       logout,
       onReload,
       userOnMode,
+      setUserToken,
     },
   };
 });