diff --git a/android/java/org/chromium/chrome/browser/app/BraveActivity.java b/android/java/org/chromium/chrome/browser/app/BraveActivity.java
index 3f1ba22f1dc..4814807ec0a 100644
--- a/android/java/org/chromium/chrome/browser/app/BraveActivity.java
+++ b/android/java/org/chromium/chrome/browser/app/BraveActivity.java
@@ -287,7 +287,7 @@ public abstract class BraveActivity extends ChromeActivity
     private JsonRpcService mJsonRpcService;
     private MiscAndroidMetrics mMiscAndroidMetrics;
     private SwapService mSwapService;
-    private WalletModel mWalletModel;
+    @Nullable private WalletModel mWalletModel;
     private BlockchainRegistry mBlockchainRegistry;
     private TxService mTxService;
     private EthTxManagerProxy mEthTxManagerProxy;
@@ -481,6 +481,11 @@ public abstract class BraveActivity extends ChromeActivity
         cleanUpMiscAndroidMetrics();
     }
 
+    /**
+     * Gets Wallet model for Brave activity. It may be {@code null} if native initialization has not
+     * completed yet.
+     */
+    @Nullable
     public WalletModel getWalletModel() {
         return mWalletModel;
     }
@@ -509,9 +514,10 @@ public abstract class BraveActivity extends ChromeActivity
     }
 
     private void maybeShowPendingTransactions() {
-        assert mWalletModel != null;
-        // trigger to observer to refresh data to process the pending request
-        mWalletModel.getCryptoModel().refreshTransactions();
+        if (mWalletModel != null) {
+            // Trigger to observer to refresh data to process the pending request.
+            mWalletModel.getCryptoModel().refreshTransactions();
+        }
     }
 
     private void maybeShowSignTxRequestLayout() {
@@ -683,13 +689,15 @@ public abstract class BraveActivity extends ChromeActivity
     }
 
     public void showAccountCreation(@CoinType.EnumType int coinType) {
-        assert mWalletModel != null : " mWalletModel is null ";
-        mWalletModel.getDappsModel().addAccountCreationRequest(coinType);
+        if (mWalletModel != null) {
+            mWalletModel.getDappsModel().addAccountCreationRequest(coinType);
+        }
     }
 
     private void updateWalletBadgeVisibility() {
-        assert mWalletModel != null;
-        mWalletModel.getDappsModel().updateWalletBadgeVisibility();
+        if (mWalletModel != null) {
+            mWalletModel.getDappsModel().updateWalletBadgeVisibility();
+        }
     }
 
     private void verifySubscription() {
diff --git a/android/java/org/chromium/chrome/browser/app/domain/WalletModel.java b/android/java/org/chromium/chrome/browser/app/domain/WalletModel.java
index 0ee62b29470..6b663df0502 100644
--- a/android/java/org/chromium/chrome/browser/app/domain/WalletModel.java
+++ b/android/java/org/chromium/chrome/browser/app/domain/WalletModel.java
@@ -7,6 +7,8 @@ package org.chromium.chrome.browser.app.domain;
 
 import android.content.Context;
 
+import androidx.annotation.NonNull;
+
 import org.chromium.brave_wallet.mojom.AssetRatioService;
 import org.chromium.brave_wallet.mojom.BlockchainRegistry;
 import org.chromium.brave_wallet.mojom.BraveWalletService;
@@ -31,7 +33,7 @@ public class WalletModel {
     private AssetRatioService mAssetRatioService;
     private SwapService mSwapService;
     private final CryptoModel mCryptoModel;
-    private final DappsModel mDappsModel;
+    @NonNull private final DappsModel mDappsModel;
     private final KeyringModel mKeyringModel;
     private Context mContext;
     private CryptoActions mCryptoActions;
@@ -140,6 +142,7 @@ public class WalletModel {
         return mCryptoModel.getNetworkModel();
     }
 
+    @NonNull
     public DappsModel getDappsModel() {
         return mDappsModel;
     }