diff --git a/e2e/README.md b/e2e/README.md
index fc07ff97..cae5d1a7 100644
--- a/e2e/README.md
+++ b/e2e/README.md
@@ -4,8 +4,9 @@ This directory contains Maestro end-to-end smoke flows for Checkout Kit sample
 apps.
 
 The current runnable suite starts with React Native. It verifies a full guest
-checkout from a seeded cart in the sample app, through Shopify checkout, and
-back to the app after completion.
+checkout from a seeded cart and a hardcoded buyer identity checkout created
+through the sample app, through Shopify checkout, and back to the app after
+completion.
 
 ## Run locally
 
@@ -30,13 +31,15 @@ sample app, then run Maestro.
 
 - `config.yaml` configures Maestro for shared platform behavior.
 - `flows/` contains reusable Maestro subflows for app setup and checkout steps.
-- `tests/react-native/full-guest-checkout.yaml` composes the React Native guest
+- `tests/react-native/checkout-guest.yaml` composes the React Native guest
   checkout smoke test from those subflows.
+- `tests/react-native/checkout-hardcoded-buyer-identity.yaml` verifies the RN
+  sample can create a checkout from a cart with hardcoded buyer identity.
 
 ## Scope
 
 This smoke flow is intended to catch regressions in the React Native sample app
-integration surface: cart bootstrap, checkout presentation, checkout
-completion, and return to the sample app. It is not a replacement for
-checkout-web's browser-based coverage or for future native Swift and Android
-sample-app E2E coverage.
+integration surface: cart bootstrap, buyer identity configuration, checkout
+presentation, checkout completion, and return to the sample app. It is not a
+replacement for checkout-web's browser-based coverage or for future native
+Swift and Android sample-app E2E coverage.
diff --git a/e2e/flows/app/add-first-product-to-cart.yaml b/e2e/flows/app/add-first-product-to-cart.yaml
new file mode 100644
index 00000000..7df52bed
--- /dev/null
+++ b/e2e/flows/app/add-first-product-to-cart.yaml
@@ -0,0 +1,23 @@
+appId: ${APP_ID}
+---
+- tapOn:
+    id: catalog-tab
+- extendedWaitUntil:
+    visible:
+      id: product-0-grid-item
+    timeout: 30000
+- tapOn:
+    id: product-0-grid-item
+- extendedWaitUntil:
+    visible:
+      id: add-to-cart-button
+    timeout: 30000
+- tapOn:
+    id: add-to-cart-button
+    enabled: true
+- tapOn:
+    id: cart-tab
+- extendedWaitUntil:
+    visible:
+      id: checkout-button
+    timeout: 30000
diff --git a/e2e/flows/app/dismiss-dev-warning.yaml b/e2e/flows/app/dismiss-dev-warning.yaml
new file mode 100644
index 00000000..5ff44a5f
--- /dev/null
+++ b/e2e/flows/app/dismiss-dev-warning.yaml
@@ -0,0 +1,9 @@
+appId: ${APP_ID}
+---
+- runFlow:
+    when:
+      visible: "Open debugger to view warnings."
+    commands:
+      - tapOn:
+          point: "92%,92%"
+      - waitForAnimationToEnd
diff --git a/e2e/flows/app/launch.yaml b/e2e/flows/app/launch.yaml
index d6bad227..5a614844 100644
--- a/e2e/flows/app/launch.yaml
+++ b/e2e/flows/app/launch.yaml
@@ -10,3 +10,4 @@ appId: ${APP_ID}
     visible:
       id: checkout-kit-sample-ready
     timeout: 60000
+- runFlow: dismiss-dev-warning.yaml
diff --git a/e2e/flows/app/select-buyer-identity.yaml b/e2e/flows/app/select-buyer-identity.yaml
new file mode 100644
index 00000000..99da7cf1
--- /dev/null
+++ b/e2e/flows/app/select-buyer-identity.yaml
@@ -0,0 +1,20 @@
+appId: ${APP_ID}
+---
+- tapOn:
+    id: settings-tab
+- waitForAnimationToEnd
+- runFlow:
+    when:
+      notVisible:
+        id: settings-section-authentication
+    commands:
+      - tapOn:
+          id: settings-tab
+      - waitForAnimationToEnd
+- extendedWaitUntil:
+    visible:
+      id: settings-section-authentication
+    timeout: 10000
+- tapOn:
+    id: "settings-buyer-identity-option-${BUYER_IDENTITY_MODE}"
+- waitForAnimationToEnd
diff --git a/e2e/flows/checkout/present.yaml b/e2e/flows/checkout/present.yaml
index 1adae5e3..010fc7f8 100644
--- a/e2e/flows/checkout/present.yaml
+++ b/e2e/flows/checkout/present.yaml
@@ -5,5 +5,5 @@ appId: ${APP_ID}
     enabled: true
 - extendedWaitUntil:
     visible:
-      text: "^Email( or mobile phone number)?$"
+      text: "^(Email( or mobile phone number)?|Delivery|Card number)$"
     timeout: 60000
diff --git a/e2e/tests/react-native/full-guest-checkout.yaml b/e2e/tests/react-native/checkout-guest.yaml
similarity index 89%
rename from e2e/tests/react-native/full-guest-checkout.yaml
rename to e2e/tests/react-native/checkout-guest.yaml
index ed667b92..a491077a 100644
--- a/e2e/tests/react-native/full-guest-checkout.yaml
+++ b/e2e/tests/react-native/checkout-guest.yaml
@@ -1,8 +1,9 @@
 appId: ${APP_ID}
-name: React Native full guest checkout
+name: React Native checkout - guest
 
 env:
   # Checkout contact fixture
+  BUYER_IDENTITY_MODE: "guest"
   EMAIL: "maestro.e2e@shopify.com"
   FIRST_NAME: "Maestro"
   LAST_NAME: "Shopify"
@@ -24,6 +25,7 @@ env:
   POST_SUBMIT_RESULT_PATTERN: ".*(Thank you|Your order|Order confirmed|confirmation).*"
 ---
 - runFlow: ../../flows/app/launch.yaml
+- runFlow: ../../flows/app/select-buyer-identity.yaml
 - runFlow: ../../flows/app/bootstrap-cart-from-link.yaml
 - runFlow: ../../flows/checkout/present.yaml
 - runFlow: ../../flows/checkout/fill-contact.yaml
diff --git a/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml b/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml
new file mode 100644
index 00000000..90eab183
--- /dev/null
+++ b/e2e/tests/react-native/checkout-hardcoded-buyer-identity.yaml
@@ -0,0 +1,26 @@
+appId: ${APP_ID}
+name: React Native checkout - hardcoded buyer identity
+
+env:
+  # Sample app buyer identity configuration
+  BUYER_IDENTITY_MODE: "hardcoded"
+
+  # Checkout payment fixture
+  CARD_NUMBER: "1"
+  CARD_SECURITY_CODE: "123"
+
+  # Accepted successful checkout states for this smoke test.
+  POST_SUBMIT_RESULT_PATTERN: ".*(Thank you|Your order|Order confirmed|confirmation).*"
+---
+- runFlow: ../../flows/app/launch.yaml
+- runFlow: ../../flows/app/select-buyer-identity.yaml
+- extendedWaitUntil:
+    visible:
+      id: settings-buyer-identity-details
+    timeout: 5000
+- runFlow: ../../flows/app/add-first-product-to-cart.yaml
+- runFlow: ../../flows/checkout/present.yaml
+- runFlow: ../../flows/checkout/fill-payment-card.yaml
+- runFlow: ../../flows/checkout/submit.yaml
+- runFlow: ../../flows/checkout/assert-complete.yaml
+- runFlow: ../../flows/checkout/assert-returned-to-empty-cart.yaml
diff --git a/platforms/react-native/package.json b/platforms/react-native/package.json
index 37015e77..dcf2e47b 100644
--- a/platforms/react-native/package.json
+++ b/platforms/react-native/package.json
@@ -39,8 +39,8 @@
     "snapshot": "./scripts/create_snapshot",
     "compare-snapshot": "./scripts/compare_snapshot",
     "test": "jest",
-    "e2e:ios": "maestro --platform ios test --config ../../e2e/config.yaml -e APP_ID=com.shopify.checkoutkit.reactnativedemo -e 'CART_BOOTSTRAP_LINK=com.shopify.checkoutkit.reactnativedemo://cart?productIndex=0&quantity=1' ../../e2e/tests/react-native/full-guest-checkout.yaml",
-    "e2e:android": "maestro --platform android test --config ../../e2e/config.yaml -e APP_ID=com.shopify.checkoutkit.reactnativedemo -e 'CART_BOOTSTRAP_LINK=com.shopify.checkoutkit.reactnativedemo://cart?productIndex=0&quantity=1' ../../e2e/tests/react-native/full-guest-checkout.yaml"
+    "e2e:ios": "maestro --platform ios test --config ../../e2e/config.yaml -e APP_ID=com.shopify.checkoutkit.reactnativedemo -e 'CART_BOOTSTRAP_LINK=com.shopify.checkoutkit.reactnativedemo://cart?productIndex=0&quantity=1' ../../e2e/tests/react-native",
+    "e2e:android": "maestro --platform android test --config ../../e2e/config.yaml -e APP_ID=com.shopify.checkoutkit.reactnativedemo -e 'CART_BOOTSTRAP_LINK=com.shopify.checkoutkit.reactnativedemo://cart?productIndex=0&quantity=1' ../../e2e/tests/react-native"
   },
   "devDependencies": {
     "@babel/core": "^7.29.7",