diff --git a/tfjs-layers/BUILD.bazel b/tfjs-layers/BUILD.bazel
index cb1a4e602c2..88f1358c418 100644
--- a/tfjs-layers/BUILD.bazel
+++ b/tfjs-layers/BUILD.bazel
@@ -55,7 +55,7 @@ tfjs_web_test(
         # disabled android test due to training flakiness
         # "bs_android_10",
         "win_10_chrome",
-        "bs_ios_15",
+        "bs_ios_17",
     ],
     headless = False,
     seed = "12345",
diff --git a/tools/karma_template.conf.js b/tools/karma_template.conf.js
index d6bc26ec529..1e90d9bcba4 100644
--- a/tools/karma_template.conf.js
+++ b/tools/karma_template.conf.js
@@ -62,11 +62,11 @@ const CUSTOM_LAUNCHERS = {
     os_version: '12.3',
     real_mobile: true
   },
-  bs_ios_15: {
+  bs_ios_17: {
     base: 'BrowserStack',
-    device: 'iPhone 11 Pro',
+    device: 'iPhone 15 Pro Max',
     os: 'ios',
-    os_version: '15',
+    os_version: '17',
     real_mobile: true
   },
   bs_android_10: {