diff --git a/BoardConfig.mk b/BoardConfig.mk
index 10892b2dfd389c90b99d26e8dd78cb17f1afc711..a00f21f7741c137db731431132e8a4af0c878091 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -167,8 +167,8 @@ TARGET_USERIMAGES_USE_F2FS := true
 ENABLE_VENDOR_RIL_SERVICE := true
 
 # Security patch level
-BOOT_SECURITY_PATCH := 2025-07-05
-VENDOR_SECURITY_PATCH := 2025-07-05
+BOOT_SECURITY_PATCH := 2025-09-05
+VENDOR_SECURITY_PATCH := 2025-09-05
 
 # SEPolicy
 include device/qcom/sepolicy_vndr/SEPolicy.mk
diff --git a/lineage_FP4.mk b/lineage_FP4.mk
index e7229b1370a6ebb1b4a1a7b78b168bbe6f0fff5e..6d3452ac156e80a6084f24da9b046e3a75098919 100644
--- a/lineage_FP4.mk
+++ b/lineage_FP4.mk
@@ -27,10 +27,10 @@ PRODUCT_MANUFACTURER := Fairphone
 
 PRODUCT_SYSTEM_NAME := FP4eea
 
-BUILD_FINGERPRINT := "Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP2V:user/release-keys"
+BUILD_FINGERPRINT := "Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP31:user/release-keys"
 
 PRODUCT_BUILD_PROP_OVERRIDES += \
     TARGET_PRODUCT=FP4eea \
-    PRIVATE_BUILD_DESC="FP4eea-user 13 TKQ1.230127.002 TP2V release-keys"
+    PRIVATE_BUILD_DESC="FP4eea-user 13 TKQ1.230127.002 TP31 release-keys"
 
 PRODUCT_GMS_CLIENTID_BASE := android-alcatel
diff --git a/proprietary-files.txt b/proprietary-files.txt
index 555e647e68ac209f02b366d75584a196fd856ef2..d52cbc4951e81317d3bc31c49a171084c612d2b6 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -1,4 +1,4 @@
-# Unpinned blobs from Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP2V:user/release-keys
+# Unpinned blobs from Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP31:user/release-keys
 
 # ACDB
 vendor/etc/acdbdata/MTP/lito-lagoon-fp4-snd-card/Bluetooth_cal.acdb:vendor/etc/acdbdata/MTP/lito-lagoonmtp-snd-card/Bluetooth_cal.acdb
diff --git a/proprietary-firmware.txt b/proprietary-firmware.txt
index 169c2ea0b88b600f459fcc7b7959b4561ca22b03..25ee9fff847dd20dad019476a8bf4a15caa8ca67 100644
--- a/proprietary-firmware.txt
+++ b/proprietary-firmware.txt
@@ -1,4 +1,4 @@
-# Firmware from Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP2V:user/release-keys
+# Firmware from Fairphone/FP4eea/FP4:13/TKQ1.230127.002/TP31:user/release-keys
 
 abl_ecc.elf:abl.img;AB
 aop.mbn:aop.img;AB