diff --git a/firmware/MeshCore-v1.12.0-HotFixes/T_Beam_S3_Supreme_SX1262_companion_radio_ble.bin b/firmware/MeshCore-v1.12.0-HotFixes/T_Beam_S3_Supreme_SX1262_companion_radio_ble.bin
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/Tbeam_SX1262_companion_radio_ble.bin b/firmware/MeshCore-v1.12.0-HotFixes/Tbeam_SX1262_companion_radio_ble.bin
new file mode 100644
index 0000000..f403e28
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/_Hot-fix notes.txt b/firmware/MeshCore-v1.12.0-HotFixes/_Hot-fix notes.txt
new file mode 100644
index 0000000..7e49fe8
--- /dev/null
+++ b/firmware/MeshCore-v1.12.0-HotFixes/_Hot-fix notes.txt	
@@ -0,0 +1,15 @@
+Hot fixes for MeshCore v1.12.0
+- Heltec v4: Fixed to cut power of OLED when OLED is off to save 26mA.
+https://github.com/meshcore-dev/MeshCore/issues/1558
+https://github.com/meshcore-dev/MeshCore/pull/1569
+
+- Heltec v4: Fixed to support UART console to view console and flash without pressing PRG+RST.
+https://github.com/meshcore-dev/MeshCore/pull/1335
+
+- TBeam SX1262: Fixed and added missing companion firmware due to insufficient DRAM.
+https://github.com/meshcore-dev/MeshCore/issues/1526
+
+Notes: 
+- Provided by IoTThinks.com for community
+- No warranty is provided. You can test and feedback.
+- Instruction to upgrade custom firmware: https://github.com/IoTThinks/EasySkyMesh/blob/main/firmware/Instruction-to-flash-firmware.md
\ No newline at end of file
diff --git a/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_companion_radio_ble.bin b/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_companion_radio_ble.bin
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_companion_radio_usb.bin b/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_companion_radio_usb.bin
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_repeater.bin b/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_repeater.bin
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_room_server.bin b/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_room_server.bin
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diff --git a/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_sensor.bin b/firmware/MeshCore-v1.12.0-HotFixes/heltec_v4_sensor.bin
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