diff --git a/boards/hellen72_NB2-e/board/hellen72_NB2-e-BOM.csv b/boards/hellen72_NB2-e/board/hellen72_NB2-e-BOM.csv
index 7b0715a..a0dec15 100644
--- a/boards/hellen72_NB2-e/board/hellen72_NB2-e-BOM.csv
+++ b/boards/hellen72_NB2-e/board/hellen72_NB2-e-BOM.csv
@@ -173,7 +173,7 @@ Comment,Designator,Footprint,LCSC Part #
 "3.3k","R624","R0402","C25890"
 "AD8628","U601","TSOT23-5","C29309"
 "REF3033","U603","SOT-23","C36658"
-"STM32F407ZGT7","U105","LQFP144","C1337111"
+"STM32F407IGT6","U105","LQFP176","C33993"
 "MWSA0503S-100MT","L421","SMD-5.2x5.4x2.8","C408412"
 "LBC3225T2R2MR","L420","1210","C223413"
 "LMR14030","U420","SOP8","C182078"
diff --git a/boards/hellen72_NB2-e/board/hellen72_NB2-e-gerber.zip b/boards/hellen72_NB2-e/board/hellen72_NB2-e-gerber.zip
index 7b36353..8ea91d9 100644
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diff --git a/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-3D.wrl.gz b/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-3D.wrl.gz
index 9d556d5..776eda2 100644
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diff --git a/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-bottom.png b/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-bottom.png
index 71e11f8..6e64138 100644
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diff --git a/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-outline.png b/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-outline.png
index 2d0d9af..1502ac3 100644
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diff --git a/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-top.png b/boards/hellen72_NB2-e/board/misc/hellen72_NB2-e-top.png
index 729e620..d981d00 100644
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diff --git a/bom_replace_72_NB2-e.csv b/bom_replace_72_NB2-e.csv
index 99e5d26..247d166 100644
--- a/bom_replace_72_NB2-e.csv
+++ b/bom_replace_72_NB2-e.csv
@@ -9,7 +9,7 @@ R105,
 R131,
 
 # STM32
-U105,"STM32F407ZGT7","LQFP144","C1337111"
+U105,"STM32F407IGT6","LQFP176","C33993"
 
 # DC-DC Inductor
 L421,"MWSA0503S-100MT","SMD-5.2x5.4x2.8","C408412"