diff --git a/lineage_tart.mk b/lineage_tart.mk
index f41885d..dffedac 100644
--- a/lineage_tart.mk
+++ b/lineage_tart.mk
@@ -9,7 +9,11 @@
 # Inherit device configuration
 $(call inherit-product, device/rockchip/tart/aosp_tart.mk)
 
-PRODUCT_AAPT_PREF_CONFIG := tvdpi
+# Use xhdpi instead of tvdpi to avoid TvFrameworkOverlay's config_maxUiWidth=1280
+# in the values-tvdpi bucket, which caps a 1920x1080 display to 1280x720.
+# The RPi5 ATV build uses the same approach (PRODUCT_AAPT_PREF_CONFIG := xhdpi)
+# and resolves config_maxUiWidth=1920 (no effective cap on 1080p).
+PRODUCT_AAPT_PREF_CONFIG := xhdpi
 PRODUCT_CHARACTERISTICS := tv
 
 # LineageOS ATV base
diff --git a/overlay/AndroidTvOpiOverlay/res/values-xhdpi/config.xml b/overlay/AndroidTvOpiOverlay/res/values-xhdpi/config.xml
new file mode 100644
index 0000000..73b9322
--- /dev/null
+++ b/overlay/AndroidTvOpiOverlay/res/values-xhdpi/config.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2026 Brendan Szymanski <hello@bscubed.dev>
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <!-- Override TvFrameworkOverlay's config_maxUiWidth value in the values-xhdpi
+         bucket, which this device now resolves via PRODUCT_AAPT_PREF_CONFIG=xhdpi
+         (matching the RPi5 ATV approach). Our RRO priority 10 beats their priority
+         0, so 0 (disabled cap) wins. -->
+    <integer name="config_maxUiWidth">0</integer>
+</resources>