diff --git a/boards/heltec_mesh_pocket.json b/boards/heltec_mesh_pocket.json
index 6fb48a46..e6a04c12 100644
--- a/boards/heltec_mesh_pocket.json
+++ b/boards/heltec_mesh_pocket.json
@@ -39,7 +39,7 @@
     "frameworks": ["arduino"],
     "name": "Heltec nrf (Adafruit BSP)",
     "upload": {
-      "maximum_ram_size": 248832,
+      "maximum_ram_size": 235520,
       "maximum_size": 815104,
       "speed": 115200,
       "protocol": "nrfutil",
diff --git a/boards/heltec_mesh_solar.json b/boards/heltec_mesh_solar.json
index c9125811..dcd1da64 100644
--- a/boards/heltec_mesh_solar.json
+++ b/boards/heltec_mesh_solar.json
@@ -42,7 +42,7 @@
   ],
   "name": "Heltec Mesh Solar Board",
   "upload": {
-    "maximum_ram_size": 248832,
+    "maximum_ram_size": 235520,
     "maximum_size": 815104,
     "speed": 115200,
     "protocol": "nrfutil",
diff --git a/boards/heltec_t114.json b/boards/heltec_t114.json
index 86f72e73..a4a61d04 100644
--- a/boards/heltec_t114.json
+++ b/boards/heltec_t114.json
@@ -42,7 +42,7 @@
   ],
   "name": "Heltec T114 Board",
   "upload": {
-    "maximum_ram_size": 248832,
+    "maximum_ram_size": 235520,
     "maximum_size": 815104,
     "speed": 115200,
     "protocol": "nrfutil",
diff --git a/boards/minewsemi_me25ls01.json b/boards/minewsemi_me25ls01.json
index 4c943158..928acb0e 100644
--- a/boards/minewsemi_me25ls01.json
+++ b/boards/minewsemi_me25ls01.json
@@ -38,8 +38,8 @@
   "frameworks": ["arduino"],
   "name": "Minewsemi ME25LS01",
   "upload": {
-    "maximum_ram_size": 248832,
-    "maximum_size": 815104,
+    "maximum_ram_size": 235520,
+    "maximum_size": 811008,
     "speed": 115200,
     "protocol": "nrfutil",
     "protocols": [
diff --git a/boards/nano-g2-ultra.json b/boards/nano-g2-ultra.json
index 9fa22d7b..3246167e 100644
--- a/boards/nano-g2-ultra.json
+++ b/boards/nano-g2-ultra.json
@@ -54,7 +54,7 @@
     ],
     "name": "BQ nRF52840",
     "upload": {
-        "maximum_ram_size": 248832,
+        "maximum_ram_size": 235520,
         "maximum_size": 815104,
         "speed": 115200,
         "protocol": "nrfutil",
diff --git a/boards/promicro_nrf52840.json b/boards/promicro_nrf52840.json
index a428ffde..a4460f31 100644
--- a/boards/promicro_nrf52840.json
+++ b/boards/promicro_nrf52840.json
@@ -60,7 +60,7 @@
     ],
     "name": "ProMicro NRF52840",
     "upload": {
-      "maximum_ram_size": 248832,
+      "maximum_ram_size": 235520,
       "maximum_size": 815104,
       "speed": 115200,
       "protocol": "nrfutil",
diff --git a/boards/seeed-wio-tracker-l1.json b/boards/seeed-wio-tracker-l1.json
index 6235b8bf..772727b6 100644
--- a/boards/seeed-wio-tracker-l1.json
+++ b/boards/seeed-wio-tracker-l1.json
@@ -40,7 +40,7 @@
   ],
   "name": "Seeed Wio Tracker L1",
   "upload": {
-    "maximum_ram_size": 237568,
+    "maximum_ram_size": 235520,
     "maximum_size": 811008,
     "protocol": "nrfutil",
     "speed": 115200,
diff --git a/boards/seeed-xiao-afruitnrf52-nrf52840.json b/boards/seeed-xiao-afruitnrf52-nrf52840.json
index 78855cd7..9a60e0a7 100644
--- a/boards/seeed-xiao-afruitnrf52-nrf52840.json
+++ b/boards/seeed-xiao-afruitnrf52-nrf52840.json
@@ -40,7 +40,7 @@
   ],
   "name": "Seeed Studio XIAO nRF52840",
   "upload": {
-    "maximum_ram_size": 237568,
+    "maximum_ram_size": 235520,
     "maximum_size": 811008,
     "protocol": "nrfutil",
     "speed": 115200,
diff --git a/boards/seeed_sensecap_solar.json b/boards/seeed_sensecap_solar.json
index d6630d82..50f08976 100644
--- a/boards/seeed_sensecap_solar.json
+++ b/boards/seeed_sensecap_solar.json
@@ -39,8 +39,8 @@
   ],
   "name": "Seeed Studio XIAO nRF52840",
   "upload": {
-    "maximum_ram_size": 248832,
-    "maximum_size": 815104,
+    "maximum_ram_size": 235520,
+    "maximum_size": 811008,
     "protocol": "nrfutil",
     "speed": 115200,
     "protocols": [
diff --git a/boards/t-echo.json b/boards/t-echo.json
index 8deea1bc..c974ca65 100644
--- a/boards/t-echo.json
+++ b/boards/t-echo.json
@@ -45,7 +45,7 @@
   ],
   "name": "LilyGo T-ECHO",
   "upload": {
-    "maximum_ram_size": 248832,
+    "maximum_ram_size": 235520,
     "maximum_size": 815104,
     "require_upload_port": true,
     "speed": 115200,
diff --git a/boards/thinknode_m1.json b/boards/thinknode_m1.json
index 9f486285..5313d2a1 100644
--- a/boards/thinknode_m1.json
+++ b/boards/thinknode_m1.json
@@ -53,7 +53,7 @@
   ],
   "name": "elecrow eink",
   "upload": {
-    "maximum_ram_size": 248832,
+    "maximum_ram_size": 235520,
     "maximum_size": 815104,
     "speed": 115200,
     "use_1200bps_touch": true,
diff --git a/boards/tracker-t1000-e.json b/boards/tracker-t1000-e.json
index fc740ac5..330455f5 100644
--- a/boards/tracker-t1000-e.json
+++ b/boards/tracker-t1000-e.json
@@ -38,8 +38,8 @@
   "frameworks": ["arduino"],
   "name": "Seeed T1000-E",
   "upload": {
-    "maximum_ram_size": 248832,
-    "maximum_size": 815104,
+    "maximum_ram_size": 235520,
+    "maximum_size": 811008,
     "speed": 115200,
     "protocol": "nrfutil",
     "protocols": [