# Method 1

Firmware "V2J37S7 STM8/STM32 Debugger". (an older build, not recommended)

1) Go to https://www.st.com/en/development-tools/stm32cubeprog.html.
2) Download "en.stm32cubeprg-win32_v2-6-0.zip" and install it.
3) Extract "com\st\stlinkupgrade\core\f2_3.bin" from "C:\Program Files (x86)\STMicroelectronics\STM32Cube\STM32CubeProgrammer\Drivers\FirmwareUpgrade\STLinkUpgrade.jar".
4) Patch "f2_3.bin".
5) Replace original "f2_3.bin" in .jar with patched version.
6) Double-click .jar to upgrade to patched firmware.

f2_3.bin (original)
00000970  01 94 8C 66 83 73 74 87 52 F4 C2 09 F9 69 A1 68
00000980  5C 90 84 57 BA 6A 7D 4A 2D 6C 23 FE B1 61 1A 8D
00001EF0  91 85 86 A3 FB CA 22 15 35 06 D7 73 21 24 B9 B1
00007880  C1 13 90 2C 60 C1 29 09 EC B4 7E 79 BA 55 71 77
00007890  E9 DF 8D 91 49 47 66 C3 A9 4C CB CC 27 95 B4 B3

f2_3.bin (patched)
00000970  26 44 00 F1 4B 73 D0 A1 49 B2 5B 7A 54 E6 D5 6D
00000980  74 5E 06 92 74 88 C4 3B 06 DB A9 90 D0 A1 45 26
00001EF0  B9 70 FE E0 FE E9 C5 BA B8 CF 23 50 7B E5 24 77
00007880  61 0E 71 BC 9F D3 D3 63 42 DC 9F 64 DE 12 40 32
00007890  17 37 2E 71 EA F8 5B A7 31 A1 EA 91 35 C8 4D 7D

# Method 2

Firmware "V2J37S7 STM8/STM32 Debugger".

1) Go to https://www.st.com/en/development-tools/stsw-link007.html.
2) Download "en.stsw-link007_V2-37-27.zip" and extract it.
3) Extract "com\st\stlinkupgrade\core\f2_3.bin" from "AllPlatforms\STLinkUpgrade.jar".
4) Patch "f2_3.bin".
5) Replace original "f2_3.bin" in .jar with patched version.
6) Double-click .jar to upgrade to patched firmware.

OR

1) Go to https://www.st.com/en/development-tools/stm32cubeprog.html.
2) Download "en.stm32cubeprg-win32_v2-7-0.zip" and install it.
3) Extract "com\st\stlinkupgrade\core\f2_3.bin" from "C:\Program Files (x86)\STMicroelectronics\STM32Cube\STM32CubeProgrammer\Drivers\FirmwareUpgrade\STLinkUpgrade.jar".
4) Patch "f2_3.bin".
5) Replace original "f2_3.bin" in .jar with patched version.
6) Double-click .jar to upgrade to patched firmware.

f2_3.bin (original)
00000970  01 94 8C 66 83 73 74 87 52 F4 C2 09 F9 69 A1 68
00000980  5C 90 84 57 BA 6A 7D 4A 2D 6C 23 FE B1 61 1A 8D
00001EF0  91 85 86 A3 FB CA 22 15 35 06 D7 73 21 24 B9 B1
00007890  7F 67 2E 5D 10 CD 3F 52 A1 68 5D 09 D6 91 48 86
000078A0  3D 87 1B D6 44 E0 10 44 B8 2C 94 7C 69 28 7E 00

f2_3.bin (patched)
00000970  26 44 00 F1 4B 73 D0 A1 49 B2 5B 7A 54 E6 D5 6D
00000980  74 5E 06 92 74 88 C4 3B 06 DB A9 90 D0 A1 45 26
00001EF0  B9 70 FE E0 FE E9 C5 BA B8 CF 23 50 7B E5 24 77
00007890  D0 FA AD 25 19 A8 10 B0 04 57 62 28 A6 E5 4C B5
000078A0  83 BA 91 00 42 4E E4 57 7D F4 57 E9 F6 E3 F8 38

# Method 3

Firmware "V2J37S7 STM8/STM32 Debugger".

1) Go to https://www.st.com/en/development-tools/stsw-link004.html.
2) Download "en.stsw-link007_V2-37-27.zip" and extract it.
3) Patch "Windows\ST-LinkUpgrade.exe".
4) Double-click .exe to upgrade to patched firmware.

ST-LinkUpgrade.exe (original)
00079480  01 94 8C 66 83 73 74 87 52 F4 C2 09 F9 69 A1 68
00079490  5C 90 84 57 BA 6A 7D 4A 2D 6C 23 FE B1 61 1A 8D
0007AA00  91 85 86 A3 FB CA 22 15 35 06 D7 73 21 24 B9 B1
000803A0  7F 67 2E 5D 10 CD 3F 52 A1 68 5D 09 D6 91 48 86
000803B0  3D 87 1B D6 44 E0 10 44 B8 2C 94 7C 69 28 7E 00

ST-LinkUpgrade.exe (patched)
00079480  26 44 00 F1 4B 73 D0 A1 49 B2 5B 7A 54 E6 D5 6D
00079490  74 5E 06 92 74 88 C4 3B 06 DB A9 90 D0 A1 45 26
0007AA00  B9 70 FE E0 FE E9 C5 BA B8 CF 23 50 7B E5 24 77
000803A0  D0 FA AD 25 19 A8 10 B0 04 57 62 28 A6 E5 4C B5
000803B0  83 BA 91 00 42 4E E4 57 7D F4 57 E9 F6 E3 F8 38

# Method 4

Firmware "V2J39S7 STM8/STM32 Debugger".

1) Go to https://www.st.com/en/development-tools/stsw-link004.html.
2) Download "en.stsw-link007-v3-9-3.zip" and extract it.
3) Patch "Windows\ST-LinkUpgrade.exe".
4) Double-click .exe to upgrade to patched firmware.

ST-LinkUpgrade.exe (original)
0007DA40  0D 1D 41 51 AA 98 9A EF 13 79 02 19 AF 5B C8 A7
0007DA60  35 89 3F 4B 67 40 CC E6 55 AB D1 80 05 60 75 68
0007F100  7E B9 83 51 B4 E1 41 C7 2A D3 9B 01 D5 6C A3 B9
00084DA0  E7 86 43 87 10 E0 C7 98 D2 1B 16 E8 40 04 AC CC
00084DB0  D3 68 DE 07 4B AF 2E 86 2B 7C E3 54 D6 23 29 9B

ST-LinkUpgrade.exe (patched)
0007DA40  36 81 50 29 DA C0 EA 1E D9 4C 2C 21 86 0C E4 75
0007DA60  7F D2 9F A3 89 2C D9 81 66 22 C7 91 89 D8 63 52
0007F100  9F 25 59 2D B7 10 40 D0 1D 26 85 A4 EF 66 8F 3C
00084DA0  96 93 AB F1 45 A3 A0 95 26 90 47 A3 A0 4D 44 96
00084DB0  1F A1 D0 D6 2F 92 41 92 5C C8 81 E7 E2 1D 4A EE