diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 3df4dc8..5c6b309 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -175,10 +175,10 @@ TARGET_DISABLED_UBWC := true
 TARGET_SCREEN_DENSITY := 420
 
 # Fingerprint
-BUILD_FINGERPRINT := "samsung/a52qnsxx/a52q:11/RP1A.200720.012/A525FXXU2AUF3:user/release-keys"
-PRIVATE_BUILD_DESC := "a52qnsxx-user 11 RP1A.200720.012 A525FXXU2AUF3 release-keys"
+BUILD_FINGERPRINT := "samsung/a52qnsxx/a52q:11/RP1A.200720.012/A525FXXU4AUJ2:user/release-keys"
+PRIVATE_BUILD_DESC := "a52qnsxx-user 11 RP1A.200720.012 A525FXXU4AUJ2 release-keys"
 
-VENDOR_SECURITY_PATCH := 2021-06-01
+VENDOR_SECURITY_PATCH := 2021-11-01
 
 # FM
 BOARD_HAS_QCA_FM_SOC := cherokee
@@ -188,9 +188,6 @@ BOARD_HAVE_QCOM_FM := true
 BOARD_PROVIDES_LIBRIL := true
 ENABLE_VENDOR_RIL_SERVICE := true
 
-# Security patch level
-VENDOR_SECURITY_PATCH := 2021-06-01
-
 # Recovery
 BOARD_HAS_DOWNLOAD_MODE := true
 BOARD_INCLUDE_RECOVERY_DTBO := true
diff --git a/configs/audio/audio_platform_info_intcodec.xml b/configs/audio/audio_platform_info_intcodec.xml
index b8a35f0..7aed2f6 100644
--- a/configs/audio/audio_platform_info_intcodec.xml
+++ b/configs/audio/audio_platform_info_intcodec.xml
@@ -207,6 +207,8 @@
         <device name="SND_DEVICE_OUT_FM_HEADSET" backend="headphones" interface="RX_CDC_DMA_RX_0"/>
         <device name="SND_DEVICE_OUT_HEADSET_KARAOKE" backend="headphones" interface="RX_CDC_DMA_RX_0"/>
         <device name="SND_DEVICE_OUT_HEADPHONES_KARAOKE" backend="headphones" interface="RX_CDC_DMA_RX_0"/>
+        <device name="SND_DEVICE_OUT_HEADPHONES_AFE_LISTENBACK" backend="headphones" interface="RX_CDC_DMA_RX_0"/>
+        <device name="SND_DEVICE_OUT_HEADSET_AFE_LISTENBACK" backend="headset" interface="RX_CDC_DMA_RX_0"/>
 
         <device name="SND_DEVICE_OUT_HEADPHONES_DSD" backend="headphones-dsd" interface=""/>
 
@@ -254,6 +256,8 @@
         <device name="SND_DEVICE_OUT_VOIP_FMC_USB_HEADSET" backend="usb-headset" interface="USB_AUDIO_RX"/>
         <device name="SND_DEVICE_OUT_LOOPBACK_USB_HEADSET" backend="usb-headset" interface="USB_AUDIO_RX"/>
         <device name="SND_DEVICE_OUT_USB_HEADSET_KARAOKE" backend="usb-headset" interface="USB_AUDIO_RX"/>
+        <device name="SND_DEVICE_OUT_USB_HEADSET_AFE_LISTENBACK" backend="usb-headset" interface="USB_AUDIO_RX"/>
+        <device name="SND_DEVICE_OUT_USB_HEADPHONES_AFE_LISTENBACK" backend="usb-headphones" interface="USB_AUDIO_RX"/>
 
         <device name="SND_DEVICE_OUT_USB_HEADSET" backend="usb-headphones" interface="USB_AUDIO_RX"/>
         <device name="SND_DEVICE_OUT_CALL_USB_HEADPHONE" backend="usb-headphones" interface="USB_AUDIO_RX"/>
diff --git a/proprietary-files.txt b/proprietary-files.txt
index 3b97a22..044b7c1 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -1,4 +1,4 @@
-# All blobs are from A525FXXU2AUF3, unless pinned
+# All blobs are from A525FXXU4AUJ2, unless pinned
 
 # ACDB
 vendor/lib/libacdb-fts.so
@@ -263,7 +263,7 @@ vendor/lib/camera.device@3.3-impl.so
 vendor/lib/camera.device@3.4-impl.so
 vendor/lib/camera.device@3.5-impl.so
 vendor/lib/hw/vendor.samsung.hardware.camera.provider@4.0-impl.so
-vendor/lib/vendor.samsung.camera.device@5.0-impl.so
+vendor/lib/vendor.samsung.hardware.camera.device@5.0-impl.so
 vendor/lib/vendor.samsung.hardware.camera.device@5.0.so
 vendor/lib/vendor.samsung.hardware.camera.provider@4.0-legacy.so
 vendor/lib/vendor.samsung.hardware.camera.provider@4.0.so
@@ -275,12 +275,14 @@ vendor/lib64/camera.device@3.3-impl.so
 vendor/lib64/camera.device@3.4-impl.so
 vendor/lib64/camera.device@3.5-impl.so
 vendor/lib64/hw/vendor.samsung.hardware.camera.provider@4.0-impl.so
-vendor/lib64/vendor.samsung.camera.device@5.0-impl.so
+vendor/lib64/vendor.samsung.hardware.camera.device@5.0-impl.so
 vendor/lib64/vendor.samsung.hardware.camera.device@5.0.so
 vendor/lib64/vendor.samsung.hardware.camera.provider@4.0-legacy.so
 vendor/lib64/vendor.samsung.hardware.camera.provider@4.0.so
 vendor/lib/libsensorndkbridge.so
 vendor/lib64/libsensorndkbridge.so
+vendor/lib/unihal_uniplugin_module@1.0.so
+vendor/lib64/unihal_uniplugin_module@1.0.so
 vendor/lib/libsuper_night_interface.so
 vendor/lib/libcamera_nn_stub.so
 vendor/lib/libscveCommon.so
diff --git a/rootdir/etc/fstab.sqzr b/rootdir/etc/fstab.sqzr
index 5b442ad..2f2993b 100644
--- a/rootdir/etc/fstab.sqzr
+++ b/rootdir/etc/fstab.sqzr
@@ -5,5 +5,4 @@
 
 #<src>  <mnt_point>     <type>    <mnt_flags and options>    <fs_mgr_flags>
 # SWAP (SQZR)
-/dev/block/zram0	none	swap	defaults	zramsize=2684354560,max_comp_streams=8,zram_backingdev_size=256M
-
+/dev/block/zram0	none	swap	defaults	zramsize=4294967296,zram_backingdev_size=1G
diff --git a/rootdir/etc/init.a52q.rc b/rootdir/etc/init.a52q.rc
index f3f70e9..53b3319 100644
--- a/rootdir/etc/init.a52q.rc
+++ b/rootdir/etc/init.a52q.rc
@@ -93,7 +93,13 @@ on boot
 on property:sys.boot_completed=1
     swapon_all /vendor/etc/fstab.sqzr
 
+on property:sys.sysctl.zram_balance_ratio=*
+    write /sys/module/zram/parameters/zram_balance_ratio ${sys.sysctl.zram_balance_ratio}
+
 on post-fs-data
     # MST/NFC Switch
     chmod 0660 /dev/mst_ctrl
 
+# SSU (Samsung SIM Unlock)
+on property:ro.boot.carrierid=MXO
+    setprop ssu.support 1