diff --git a/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/02_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_python3_check.patch b/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/02_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_python3_check.patch
new file mode 100644
index 00000000..e3e42d4b
--- /dev/null
+++ b/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/02_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_python3_check.patch
@@ -0,0 +1,64 @@
+--- a/scripts/ms_bin_option_get_int.py	2021-05-17 00:51:18.868114209 +0300
++++ b/scripts/ms_bin_option_get_int.py	2021-05-17 00:05:08.807550092 +0300
+@@ -5,10 +5,16 @@
+ if __name__ == '__main__':
+ 
+     name=sys.argv[2]
+-#    if sys.argv[3].upper().startswith( '0X' ):
+-#        value=long(sys.argv[3],16)
+-#    else:
+-#        value=long(sys.argv[3])
++    if sys.version_info.major == 2:
++        if sys.argv[3].upper().startswith( '0X' ):
++            value=long(sys.argv[3],16)
++        else:
++            value=long(sys.argv[3])
++    else:
++        if sys.argv[3].upper().startswith( '0X' ):
++            value=int(sys.argv[3],16)
++        else:
++            value=int(sys.argv[3])
+ 
+     fmap=mmap.mmap(os.open(sys.argv[1],os.O_RDWR),0)
+ 
+--- a/scripts/ms_bin_option_update_int.py	2021-05-17 00:51:18.868114209 +0300
++++ b/scripts/ms_bin_option_update_int.py	2021-05-17 01:02:24.277864288 +0300
+@@ -3,12 +3,19 @@
+ import re, fnmatch, os, sys, mmap, struct
+ 
+ if __name__ == '__main__':
+-
+-    name=sys.argv[2]
+-    if sys.argv[3].upper().startswith( '0X' ):
+-        value=long(sys.argv[3],16)
++    print(sys.argv)
++    if sys.version_info.major == 2:
++        name=sys.argv[2]
++        if sys.argv[3].upper().startswith( '0X' ):
++            value=long(sys.argv[3],16)
++        else:
++            value=long(sys.argv[3])
+     else:
+-        value=long(sys.argv[3])
++        name=sys.argv[2].encode()
++        if sys.argv[3].upper().startswith( '0X' ):
++            value=int(sys.argv[3],16)
++        else:
++            value=int(sys.argv[3])
+ 
+     fmap=mmap.mmap(os.open(sys.argv[1],os.O_RDWR),0)
+ 
+--- a/scripts/ms_builtin_dtb_update.py	2021-05-17 00:51:18.868114209 +0300
++++ b/scripts/ms_builtin_dtb_update.py	2021-05-17 00:02:41.886266869 +0300
+@@ -17,6 +17,11 @@
+         print ('DTB size 0x%08X too big to fit in 64K limit!!' % dtb.size())
+         sys.exit() 
+         
++    if sys.version_info.major == 2:
++        name=sys.argv[2]
++    else:
++        name=sys.argv[2].encode()
++
+     fmap=mmap.mmap(os.open(sys.argv[1],os.O_RDWR),0)
+ 
+     offset=fmap.find(name)    
diff --git a/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/03_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_fix_makefile.patch b/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/03_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_fix_makefile.patch
new file mode 100644
index 00000000..1cd26512
--- /dev/null
+++ b/br-ext-chip-sigmastar/board/infinity6b0/kernel/patches/03_infinity6b0_kernel_4.9.84_sdk-Ispahan-ILS00V020_fix_makefile.patch
@@ -0,0 +1,24 @@
+--- a/makefile	2021-05-16 02:02:11.148664390 +0300
++++ b/makefile	2021-05-18 02:04:02.210673988 +0300
+@@ -4,8 +4,10 @@
+ # additional $(MAKEFLAGS) with 'w' passed
+ # use $(filter-out w,$(MAKEFLAGS)) instead of $(MAKEFLAGS)
+ 
+-%: force 
+-	@$(MAKE) -f Makefile $(filter-out w,$(MAKEFLAGS)) $@
++%: force
++# -w already filtered by buildroot
++	@$(MAKE) -f Makefile $@
++#	@$(MAKE) -f Makefile $(filter-out w,$(MAKEFLAGS)) $@
+ 
+ %_defconfig: force
+ 	@echo "Extract CHIP NAME ($(firstword $(subst _, ,$@))) to $(SSTAR_CHIP_FILE)"
+@@ -13,7 +15,7 @@
+ 	@echo $(strip $(firstword $(subst _, ,$@))) > $(SSTAR_CHIP_FILE)
+ 	@$(MAKE) -f Makefile $(filter-out w,$(MAKEFLAGS)) $@
+ 
+-GNUmakefile: force 
++GNUmakefile: force
+ 	@$(MAKE) -f Makefile $(filter-out w,$(MAKEFLAGS)) $(filter-out GNUmakefile,$@)
+ 
+ makefile:;