diff --git a/board-info.txt b/board-info.txt
index 3e66fa4..371acd1 100644
--- a/board-info.txt
+++ b/board-info.txt
@@ -1 +1 @@
-require version-bootloader=2022.10-g4f111ee6dc
+require version-bootloader=2024.NX02.b201801
diff --git a/releasetools/releasetools.py b/releasetools/releasetools.py
index 7c184d0..0f94878 100644
--- a/releasetools/releasetools.py
+++ b/releasetools/releasetools.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2022 The LineageOS Project
+# Copyright (C) 2022-2024 The LineageOS Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,7 +22,7 @@ import os
 DTB_PART     = '/dev/block/by-name/dtb'
 NX_FILES     = '/mnt/vendor/hos_data'
 
-NX_BL_VERSION = '2022.10-g4f111ee6dc'
+UBOOT_VERSION  = '2024.NX02.b201801'
 
 def FullOTA_Assertions(info):
   if 'RADIO/bl33.bin' in info.input_zip.namelist():
@@ -50,41 +50,31 @@ def AddBootloaderAssertion(info, input_zip):
       info.script.AssertSomeBootloader(*bootloaders)
 
 def AddBootloaderFlash(info, input_zip):
-  """ nx """
-  info.script.AppendExtra('  ifelse(')
-  info.script.AppendExtra('    getprop("ro.bootloader") == "' + NX_BL_VERSION + '",')
-  info.script.AppendExtra('    (')
-  info.script.AppendExtra('      ui_print("Correct bootloader already installed for " + getprop(ro.hardware));')
-  info.script.AppendExtra('    ),')
-  info.script.AppendExtra('    (')
-  info.script.AppendExtra('      ui_print("Flashing updated bootloader for " + getprop(ro.hardware));')
-  info.script.AppendExtra('      run_program("/system/bin/mkdir", "-p", "' + NX_FILES + '");')
-  info.script.AppendExtra('      run_program("/system/bin/mount", "/dev/block/by-name/hos_data", "' + NX_FILES + '");')
+  # check generated bl id
+  info.script.AppendExtra("""
+  ifelse(
+    getprop("ro.bootloader") == "{0}",
+    (
+      ui_print("Correct bootloader already installed for " + getprop(ro.hardware));
+    ),
+    (
+      ui_print("Flashing updated bootloader for " + getprop(ro.hardware));
+      run_program("/system/bin/mkdir", "-p", "{1}");
+      run_program("/system/bin/mount", "/dev/block/by-name/hos_data", "{1}");
+""".format(UBOOT_VERSION, NX_FILES))
 
-  """ clean old bootloader """
-  info.script.AppendExtra('      ifelse(')
-  info.script.AppendExtra('        read_file("' + NX_FILES + '/switchroot/android/bl31.bin"),')
-  info.script.AppendExtra('        (')
-  info.script.AppendExtra('          ui_print("Your bootloader is already compatible with L4T-Loader");')
-  info.script.AppendExtra('        ),')
-  info.script.AppendExtra('        (')
-  info.script.AppendExtra('          ui_print("Updating bootloader for L4T-Loader");')
-  info.script.AppendExtra('          run_program("/system/bin/rm", "-f", "' + NX_FILES + '/switchroot/android/coreboot.rom");')
-  info.script.AppendExtra('          run_program("/system/bin/rm", "-f", "' + NX_FILES + '/bootloader/ini/00-android.ini");')
-  info.script.AppendExtra('          package_extract_file("firmware-update/android.ini", "' + NX_FILES + '/bootloader/ini/android.ini");')
-  info.script.AppendExtra('        )')
-  info.script.AppendExtra('      );')
+  # flash uploaded bl files
+  info.script.AppendExtra("""
+      run_program("/system/bin/sed", "-i", "s/LineageOS.*\]/LineageOS]/g", "{0}/bootloader/ini/android.ini");
+      package_extract_file("firmware-update/bl31.bin", "{0}/switchroot/android/bl31.bin");
+      package_extract_file("firmware-update/bl33.bin", "{0}/switchroot/android/bl33.bin");
+      package_extract_file("firmware-update/boot.scr", "{0}/switchroot/android/boot.scr");
+      run_program("/system/bin/umount", "{0}");
+    )
+  );
+""".format(NX_FILES))
 
-  """ flash uploaded bl files """
-  info.script.AppendExtra('      run_program("/system/bin/sed", "-i", "s/LineageOS.*\]/LineageOS]/g", "' + NX_FILES + '/bootloader/ini/android.ini");')
-  info.script.AppendExtra('      package_extract_file("firmware-update/bl31.bin", "' + NX_FILES + '/switchroot/android/bl31.bin");')
-  info.script.AppendExtra('      package_extract_file("firmware-update/bl33.bin", "' + NX_FILES + '/switchroot/android/bl33.bin");')
-  info.script.AppendExtra('      package_extract_file("firmware-update/bootlogo_android.bmp", "' + NX_FILES + '/switchroot/android/bootlogo_android.bmp");')
-  info.script.AppendExtra('      package_extract_file("firmware-update/icon_android_hue.bmp", "' + NX_FILES + '/switchroot/android/icon_android_hue.bmp");')
-  info.script.AppendExtra('      package_extract_file("firmware-update/boot.scr", "' + NX_FILES + '/switchroot/android/boot.scr");')
-  info.script.AppendExtra('      run_program("/system/bin/umount", "' + NX_FILES + '");')
-  info.script.AppendExtra('    )')
-  info.script.AppendExtra('  );')
-
-  """ flash dtb """
-  info.script.AppendExtra('  package_extract_file("install/nx-plat.dtimg", "' + DTB_PART + '");')
+  # flash dtb
+  info.script.AppendExtra("""
+  package_extract_file("install/nx-plat.dtimg", "{0}");
+""".format(DTB_PART))