diff --git a/app/src/main/res/layout-land/onboarding_slide_final.xml b/app/src/main/res/layout-land/onboarding_slide_final.xml
index 6881cdcbcce..a62021edc69 100644
--- a/app/src/main/res/layout-land/onboarding_slide_final.xml
+++ b/app/src/main/res/layout-land/onboarding_slide_final.xml
@@ -79,6 +79,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toEndOf="@+id/slide_image_view"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />
diff --git a/app/src/main/res/layout-land/resume_lesson_fragment.xml b/app/src/main/res/layout-land/resume_lesson_fragment.xml
index 41675fc3d42..e317a2eff27 100644
--- a/app/src/main/res/layout-land/resume_lesson_fragment.xml
+++ b/app/src/main/res/layout-land/resume_lesson_fragment.xml
@@ -81,7 +81,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/start_over_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
@@ -100,7 +100,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/resume_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_4_text_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
diff --git a/app/src/main/res/layout-sw600dp-land/onboarding_slide_final.xml b/app/src/main/res/layout-sw600dp-land/onboarding_slide_final.xml
index 2877085c736..b33f3480486 100644
--- a/app/src/main/res/layout-sw600dp-land/onboarding_slide_final.xml
+++ b/app/src/main/res/layout-sw600dp-land/onboarding_slide_final.xml
@@ -73,6 +73,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="@+id/slide_title_text_view"
         app:layout_constraintStart_toStartOf="@+id/slide_title_text_view"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />
diff --git a/app/src/main/res/layout-sw600dp-land/resume_lesson_fragment.xml b/app/src/main/res/layout-sw600dp-land/resume_lesson_fragment.xml
index bd3bad52c20..5997f1069a4 100644
--- a/app/src/main/res/layout-sw600dp-land/resume_lesson_fragment.xml
+++ b/app/src/main/res/layout-sw600dp-land/resume_lesson_fragment.xml
@@ -111,7 +111,7 @@
             android:minWidth="144dp"
             android:minHeight="@dimen/clickable_item_min_height"
             android:text="@string/start_over_lesson_button"
-            android:textAllCaps="true"
+            android:textAllCaps="false"
             android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
             android:textSize="14sp"
             app:backgroundTint="@null"
@@ -130,7 +130,7 @@
             android:minWidth="144dp"
             android:minHeight="@dimen/clickable_item_min_height"
             android:text="@string/resume_lesson_button"
-            android:textAllCaps="true"
+            android:textAllCaps="false"
             android:textColor="@color/component_color_shared_secondary_4_text_color"
             android:textSize="14sp"
             app:backgroundTint="@null"
diff --git a/app/src/main/res/layout-sw600dp-port/onboarding_slide_final.xml b/app/src/main/res/layout-sw600dp-port/onboarding_slide_final.xml
index ce4f739f08d..7d56635942f 100644
--- a/app/src/main/res/layout-sw600dp-port/onboarding_slide_final.xml
+++ b/app/src/main/res/layout-sw600dp-port/onboarding_slide_final.xml
@@ -80,6 +80,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="20sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />
diff --git a/app/src/main/res/layout/add_profile_activity.xml b/app/src/main/res/layout/add_profile_activity.xml
index 6a0c53c3282..417092d77a1 100644
--- a/app/src/main/res/layout/add_profile_activity.xml
+++ b/app/src/main/res/layout/add_profile_activity.xml
@@ -237,7 +237,6 @@
             android:enabled="@{viewModel.isButtonActive()}"
             android:gravity="center"
             android:text="@string/add_profile_create_btn"
-            android:textAllCaps="true"
             android:textColor="@{viewModel.isButtonActive() ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/add_profile_activity_pin_constraint_layout" />
diff --git a/app/src/main/res/layout/concept_card_fragment_test_activity.xml b/app/src/main/res/layout/concept_card_fragment_test_activity.xml
index 9fbbdcb7b6f..4894aac319d 100644
--- a/app/src/main/res/layout/concept_card_fragment_test_activity.xml
+++ b/app/src/main/res/layout/concept_card_fragment_test_activity.xml
@@ -7,11 +7,13 @@
     android:id="@+id/open_dialog_0"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Concept Card 1" />
+    android:text="Concept Card 1"
+    android:textAllCaps="false"/>
 
   <Button
     android:id="@+id/open_dialog_1"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Concept Card 2" />
+    android:text="Concept Card 2"
+    android:textAllCaps="false" />
 </LinearLayout>
diff --git a/app/src/main/res/layout/exploration_test_activity.xml b/app/src/main/res/layout/exploration_test_activity.xml
index 3ecfb09afe5..d693b80a73c 100644
--- a/app/src/main/res/layout/exploration_test_activity.xml
+++ b/app/src/main/res/layout/exploration_test_activity.xml
@@ -10,7 +10,8 @@
     android:id="@+id/play_exploration_button"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:text="Play exploration" />
+    android:text="Play exploration"
+    android:textAllCaps="false"/>
 
   <FrameLayout
     android:id="@+id/exploration_test_fragment_placeholder"
diff --git a/app/src/main/res/layout/hint_summary.xml b/app/src/main/res/layout/hint_summary.xml
index 1c622352582..f25a4fa3774 100644
--- a/app/src/main/res/layout/hint_summary.xml
+++ b/app/src/main/res/layout/hint_summary.xml
@@ -80,6 +80,7 @@
             android:text="@string/reveal_hint"
             android:textColor="@color/component_color_hints_and_solution_summary_button_text_color"
             android:textSize="14sp"
+            android:textAllCaps="false"
             android:visibility="@{viewModel.isHintRevealed? View.GONE : View.VISIBLE}"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/math_expression_parser_fragment.xml b/app/src/main/res/layout/math_expression_parser_fragment.xml
index eb89dbe458a..b69a79c2ad9 100644
--- a/app/src/main/res/layout/math_expression_parser_fragment.xml
+++ b/app/src/main/res/layout/math_expression_parser_fragment.xml
@@ -79,7 +79,6 @@
           android:enabled="true"
           android:onClick="@{(v) -> viewModel.onParseButtonClicked()}"
           android:text="@string/math_expression_parse_button_label"
-          android:textAllCaps="true"
           android:textSize="14sp"
           app:layout_constraintEnd_toEndOf="parent"
           app:layout_constraintTop_toTopOf="parent" />
diff --git a/app/src/main/res/layout/onboarding_slide_final.xml b/app/src/main/res/layout/onboarding_slide_final.xml
index ea11c502df8..ee4bc712c2b 100644
--- a/app/src/main/res/layout/onboarding_slide_final.xml
+++ b/app/src/main/res/layout/onboarding_slide_final.xml
@@ -81,6 +81,7 @@
         android:text="@string/get_started"
         android:textColor="@color/component_color_shared_secondary_4_text_color"
         android:textSize="14sp"
+        android:textAllCaps="false"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/slide_description_text_view" />
diff --git a/app/src/main/res/layout/profile_rename_fragment.xml b/app/src/main/res/layout/profile_rename_fragment.xml
index a295c823615..2c78c153a4b 100644
--- a/app/src/main/res/layout/profile_rename_fragment.xml
+++ b/app/src/main/res/layout/profile_rename_fragment.xml
@@ -61,7 +61,6 @@
         android:clickable="@{viewModel.inputName.length > 0}"
         android:enabled="@{viewModel.inputName.length > 0}"
         android:text="@string/profile_rename_save"
-        android:textAllCaps="true"
         android:textColor="@{viewModel.inputName.length > 0 ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
         android:textSize="14sp"
         app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/profile_reset_pin_fragment.xml b/app/src/main/res/layout/profile_reset_pin_fragment.xml
index 98a19bb8e75..009f5ca5388 100644
--- a/app/src/main/res/layout/profile_reset_pin_fragment.xml
+++ b/app/src/main/res/layout/profile_reset_pin_fragment.xml
@@ -105,7 +105,6 @@
           android:clickable="@{viewModel.isButtonActive()}"
           android:enabled="@{viewModel.isButtonActive()}"
           android:text="@string/profile_rename_save"
-          android:textAllCaps="true"
           android:textColor="@{viewModel.isButtonActive() ? @color/component_color_shared_secondary_4_text_color : @color/component_color_shared_button_inactive_text_color }"
           app:layout_constraintEnd_toEndOf="parent"
           app:layout_constraintTop_toBottomOf="@id/profile_reset_input_confirm_pin" />
diff --git a/app/src/main/res/layout/resume_lesson_fragment.xml b/app/src/main/res/layout/resume_lesson_fragment.xml
index 4a2ee1e4fd6..9b07c7743ba 100644
--- a/app/src/main/res/layout/resume_lesson_fragment.xml
+++ b/app/src/main/res/layout/resume_lesson_fragment.xml
@@ -96,7 +96,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/start_over_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_button_background_trim_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
@@ -114,7 +114,7 @@
           android:minWidth="144dp"
           android:minHeight="@dimen/clickable_item_min_height"
           android:text="@string/resume_lesson_button"
-          android:textAllCaps="true"
+          android:textAllCaps="false"
           android:textColor="@color/component_color_shared_secondary_4_text_color"
           android:textSize="14sp"
           app:backgroundTint="@null"
diff --git a/app/src/main/res/layout/solution_summary.xml b/app/src/main/res/layout/solution_summary.xml
index 4c71087fc2f..9a6e50ed026 100644
--- a/app/src/main/res/layout/solution_summary.xml
+++ b/app/src/main/res/layout/solution_summary.xml
@@ -80,6 +80,7 @@
             android:text="@string/show_solution"
             android:textColor="@color/component_color_hints_and_solution_summary_button_text_color"
             android:textSize="14sp"
+            android:textAllCaps="false"
             android:visibility="@{viewModel.isSolutionRevealed()? View.GONE : View.VISIBLE}"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/state_fragment_test_activity.xml b/app/src/main/res/layout/state_fragment_test_activity.xml
index ed973f239e2..168334e4845 100644
--- a/app/src/main/res/layout/state_fragment_test_activity.xml
+++ b/app/src/main/res/layout/state_fragment_test_activity.xml
@@ -32,6 +32,7 @@
       android:layout_height="wrap_content"
       android:layout_marginTop="16dp"
       android:text="Play exploration"
+      android:textAllCaps="false"
       android:visibility="@{viewModel.hasExplorationStarted ? View.GONE : View.VISIBLE}" />
   </FrameLayout>
 </layout>
diff --git a/app/src/main/res/values-v21/themes.xml b/app/src/main/res/values-v21/themes.xml
index dea4baa8df3..4b80e568427 100644
--- a/app/src/main/res/values-v21/themes.xml
+++ b/app/src/main/res/values-v21/themes.xml
@@ -42,5 +42,6 @@
     <item name="android:textColorPrimary">@color/component_color_shared_primary_dark_text_color</item>
     <item name="android:buttonBarNegativeButtonStyle">@style/textAllCaps</item>
     <item name="android:buttonBarPositiveButtonStyle">@style/textAllCaps</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3f48fef86cc..91bddd9bb59 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -15,13 +15,13 @@
   <string name="audio_play_description">Play audio</string>
   <string name="audio_pause_description">Pause audio</string>
   <string name="audio_unavailable_in_selected_language">%s audio is unavailable.</string>
-  <string name="audio_language_select_dialog_okay_button">OK</string>
+  <string name="audio_language_select_dialog_okay_button">Ok</string>
   <string name="audio_language_select_dialog_cancel_button">Cancel</string>
   <string name="audio_language_select_dialog_title">Audio Language</string>
   <string name="audio_dialog_offline_title">Currently Offline</string>
   <string name="audio_dialog_offline_message">Make sure Wi-Fi or cellular data is turned on, then try again.</string>
-  <string name="audio_dialog_offline_positive">OK</string>
-  <string name="cellular_data_alert_dialog_okay_button">OK</string>
+  <string name="audio_dialog_offline_positive">Ok</string>
+  <string name="cellular_data_alert_dialog_okay_button">Ok</string>
   <string name="cellular_data_alert_dialog_cancel_button">Cancel</string>
   <string name="cellular_data_alert_dialog_title">Currently on Cellular Data</string>
   <string name="cellular_data_alert_dialog_description">Streaming audio may use a lot of cellular data.</string>
@@ -376,7 +376,7 @@
   <!-- ProfileRenameActivity -->
   <string name="profile_rename_activity_title">Rename Profile</string>
   <string name="profile_rename_label">New Name</string>
-  <string name="profile_rename_save">save</string>
+  <string name="profile_rename_save">Save</string>
   <!-- ProfileResetPinActivity -->
   <string name="profile_reset_pin_activity_title">Reset PIN</string>
   <string name="profile_reset_pin_main">Enter a new PIN for the user to enter when accessing their profile.</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 149d87fd1d1..815ceccc4b7 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -68,7 +68,7 @@
     <item name="android:background">@drawable/state_button_primary_background</item>
     <item name="android:fontFamily">sans-serif-medium</item>
     <item name="android:minHeight">@dimen/clickable_item_min_height</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:textColor">@color/component_color_shared_secondary_4_text_color</item>
     <item name="android:textSize">14sp</item>
   </style>
@@ -125,7 +125,7 @@
     <item name="android:layout_width">wrap_content</item>
     <item name="android:layout_height">wrap_content</item>
     <item name="android:padding">8dp</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:background">@android:color/transparent</item>
     <item name="android:textColor">#56000000</item>
     <item name="android:textSize">14sp</item>
@@ -418,7 +418,7 @@
     <item name="android:minWidth">144dp</item>
     <item name="android:drawablePadding">4dp</item>
     <item name="drawableTint">@color/component_color_shared_secondary_button_background_trim_color</item>
-    <item name="android:textAllCaps">true</item>
+    <item name="android:textAllCaps">false</item>
     <item name="android:textColor">@color/component_color_shared_secondary_button_background_trim_color</item>
     <item name="android:textSize">14sp</item>
   </style>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 133c3165692..53afcd7a7db 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -38,6 +38,7 @@
     <item name="textColorAlertDialogListItem">@color/component_color_shared_primary_dark_text_color</item>
     <item name="colorControlNormal">@color/component_color_shared_dialogs_radio_button_unchecked_color</item>
     <item name="colorControlActivated">@color/component_color_shared_dialogs_radio_button_checked_color</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 
   <style name="OppiaSwitchCompatTheme" parent="Theme.MaterialComponents.Light.NoActionBar.Bridge">
@@ -50,6 +51,7 @@
     <item name="colorAccent">@color/component_color_shared_dialogs_primary_color</item>
     <item name="colorBackgroundFloating">@color/component_color_shared_item_background_solid_color</item>
     <item name="android:textColorPrimary">@color/component_color_shared_primary_dark_text_color</item>
+    <item name="android:textAllCaps">false</item>
   </style>
 
   <style name="DeprecationAlertDialogTheme" parent="OppiaAlertDialogTheme">
diff --git a/app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioFragmentTest.kt b/app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioFragmentTest.kt
index 48353183d5c..bf224018f5e 100644
--- a/app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioFragmentTest.kt
+++ b/app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioFragmentTest.kt
@@ -334,7 +334,7 @@ class AudioFragmentTest {
         .perform(click())
 
       testCoroutineDispatchers.runCurrent()
-      onView(withText("OK")).inRoot(isDialog()).perform(click())
+      onView(withText("Ok")).inRoot(isDialog()).perform(click())
 
       testCoroutineDispatchers.runCurrent()
       onView(withId(R.id.play_pause_audio_icon))
diff --git a/app/src/sharedTest/java/org/oppia/android/app/player/exploration/ExplorationActivityTest.kt b/app/src/sharedTest/java/org/oppia/android/app/player/exploration/ExplorationActivityTest.kt
index bb97f37ed2c..27c75850e7d 100644
--- a/app/src/sharedTest/java/org/oppia/android/app/player/exploration/ExplorationActivityTest.kt
+++ b/app/src/sharedTest/java/org/oppia/android/app/player/exploration/ExplorationActivityTest.kt
@@ -1062,7 +1062,7 @@ class ExplorationActivityTest {
       onView(withId(R.id.cellular_data_dialog_checkbox))
         .inRoot(isDialog())
         .perform(click())
-      onView(withText(context.getString(R.string.audio_language_select_dialog_okay_button)))
+      onView(withText(context.getString(R.string.cellular_data_alert_dialog_okay_button)))
         .inRoot(isDialog())
         .perform(click())
 
diff --git a/app/src/test/java/org/oppia/android/app/player/state/StateFragmentLocalTest.kt b/app/src/test/java/org/oppia/android/app/player/state/StateFragmentLocalTest.kt
index cdf8b5bd772..1153c881562 100644
--- a/app/src/test/java/org/oppia/android/app/player/state/StateFragmentLocalTest.kt
+++ b/app/src/test/java/org/oppia/android/app/player/state/StateFragmentLocalTest.kt
@@ -1409,7 +1409,7 @@ class StateFragmentLocalTest {
       showRevealSolutionDialog()
       clickCancelInRevealSolutionDialog(scenario)
 
-      onView(withText("SHOW SOLUTION"))
+      onView(withText("Show solution"))
         .inRoot(isDialog())
         .check(matches(isDisplayed()))
     }