diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516av300_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516av300_openipc_defconfig
index e87d0e5f..30852b3d 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516av300_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516av300_openipc_defconfig
@@ -3,7 +3,7 @@ BR2_arm=y
 BR2_cortex_a7=y
 BR2_ARM_EABI=y
 BR2_ARM_FPU_NEON_VFPV4=y
-BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_ARM_INSTRUCTIONS_THUMB2=n
 BR2_KERNEL_HEADERS_VERSION=y
 BR2_DEFAULT_KERNEL_VERSION="4.9.37"
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
index 924b449f..3503f6b1 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516cv500_openipc_defconfig
@@ -3,7 +3,7 @@ BR2_arm=y
 BR2_cortex_a7=y
 BR2_ARM_EABI=y
 BR2_ARM_FPU_NEON_VFPV4=y
-BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_ARM_INSTRUCTIONS_THUMB2=n
 BR2_KERNEL_HEADERS_VERSION=y
 BR2_DEFAULT_KERNEL_VERSION="4.9.37"
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv300_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv300_openipc_defconfig
index cc207150..7903f82f 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv300_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3516dv300_openipc_defconfig
@@ -3,7 +3,7 @@ BR2_arm=y
 BR2_cortex_a7=y
 BR2_ARM_EABI=y
 BR2_ARM_FPU_NEON_VFPV4=y
-BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_ARM_INSTRUCTIONS_THUMB2=n
 BR2_KERNEL_HEADERS_VERSION=y
 BR2_DEFAULT_KERNEL_VERSION="4.9.37"
 BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y