diff --git a/source/dwc3_test/Makefile b/source/dwc3_test/Makefile
index 28d2fe1..07a1bb1 100644
--- a/source/dwc3_test/Makefile
+++ b/source/dwc3_test/Makefile
@@ -8,10 +8,11 @@ OBJCOPY := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64
 LD := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-ld.bfd
 
 #==================Target Samsung S7 (8890)==================
-CFLAGS_SAMSUNGS7 = -Os
+CFLAGS_SAMSUNGS7 = -Os # -Os for optimization for size
 
 dwc3:
-	$(CC) entry.S -c -o entry.o $(CFLAGS_SAMSUNGS7)
-	$(CC) $(CFLAGS_SAMSUNGS7) -c test_dwc3.c -o dwc3.o
-	$(LD) -T test_dwc3.ld entry.o dwc3.o -o dwc3.elf --just-symbols=symbols.txt
+	$(CC) entry.S -c -o entry.o $(CFLAGS_SAMSUNGS7) # -c compiles assembly code, and -o creates an object file (containing linking and symbol information)
+	$(CC) $(CFLAGS_SAMSUNGS7) -c test_dwc3.c -o dwc3.o # compiles test_dwc3.c to dwc3.o
+	$(LD) -T test_dwc3.ld entry.o dwc3.o -o dwc3.elf --just-symbols=symbols.txt # -T for linker script, --just-symbols for symbols file
 	$(OBJCOPY) -O binary dwc3.elf dwc3.bin
+	
\ No newline at end of file
diff --git a/source/dwc3_test/dwc3.elf b/source/dwc3_test/dwc3.elf
index 1531389..ff987b8 100755
Binary files a/source/dwc3_test/dwc3.elf and b/source/dwc3_test/dwc3.elf differ
diff --git a/source/dwc3_test/dwc3.o b/source/dwc3_test/dwc3.o
index bf81e16..b8d7780 100644
Binary files a/source/dwc3_test/dwc3.o and b/source/dwc3_test/dwc3.o differ
diff --git a/source/exploit/debugger/Makefile b/source/exploit/debugger/Makefile
new file mode 100644
index 0000000..3ddaa87
--- /dev/null
+++ b/source/exploit/debugger/Makefile
@@ -0,0 +1,17 @@
+ifeq ($(ANDROID_NDK_ROOT),)
+$(error Error : Set the env variable 'ANDROID_NDK_ROOT' with the path of the Android NDK (version 20))
+endif
+
+CC := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android27-clang
+AR := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-ar
+OBJCOPY := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-objcopy
+LD := $(ANDROID_NDK_ROOT)/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android-ld.bfd
+
+#==================Target Samsung S7 (8890)==================
+CFLAGS_SAMSUNGS7 = -Os
+
+stage1:
+	$(CC) entry.S -c -o entry.o $(CFLAGS_SAMSUNGS7)
+	$(CC) $(CFLAGS_SAMSUNGS7) -c stage1.c -o stage1.o
+	$(LD) -T linkscript.ld entry.o stage1.o -o stage1.elf --just-symbols=symbols.txt
+	$(OBJCOPY) -O binary stage1.elf stage1.bin
diff --git a/source/exploit/modify_bin.py b/source/exploit/modify_bin.py
new file mode 100644
index 0000000..b7195f5
--- /dev/null
+++ b/source/exploit/modify_bin.py
@@ -0,0 +1,8 @@
+# Open a binary file and modify it
+bl1 = open('../S7/bl1.bin', 'rb').read()
+
+# Modify the binary file at 1C10
+bl1 = bl1[:0x1C1C] + b'\x48' + bl1[0x1C1D:]
+
+# Write the modified binary file
+open('../S7/bl1_mod.bin', 'wb').write(bl1)
\ No newline at end of file
diff --git a/source/exploit/stage1/Makefile b/source/exploit/stage1/Makefile
index 3ddaa87..6c1349d 100644
--- a/source/exploit/stage1/Makefile
+++ b/source/exploit/stage1/Makefile
@@ -15,3 +15,4 @@ stage1:
 	$(CC) $(CFLAGS_SAMSUNGS7) -c stage1.c -o stage1.o
 	$(LD) -T linkscript.ld entry.o stage1.o -o stage1.elf --just-symbols=symbols.txt
 	$(OBJCOPY) -O binary stage1.elf stage1.bin
+	
\ No newline at end of file