diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2dbfe23d..95a48432 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,7 +16,14 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
-# [v8.0.0]
+# [v8.0.1] 2024-05-08
+
+## Fixed
+
+- MPSoC normal mode: Do not command periodically while a special COM operation is ongoing.
+- Possible fix for file read algorithm.
+
+# [v8.0.0] 2024-05-06
 
 - `eive-tmtc` v7.0.0
 
diff --git a/linux/payload/FreshMpsocHandler.cpp b/linux/payload/FreshMpsocHandler.cpp
index e0bf75e4..62db5aa2 100644
--- a/linux/payload/FreshMpsocHandler.cpp
+++ b/linux/payload/FreshMpsocHandler.cpp
@@ -86,7 +86,7 @@ void FreshMpsocHandler::performDefaultDeviceOperation() {
 
   // We checked the action queue beforehand, so action commands should always be performed
   // before normal commands.
-  if (mode == MODE_NORMAL and not activeCmdInfo.pending) {
+  if (mode == MODE_NORMAL and not activeCmdInfo.pending and not specialComHelperExecuting) {
     ReturnValue_t result = commandTcGetHkReport();
     if (result == returnvalue::OK) {
       commandInitHandling(mpsoc::TC_GET_HK_REPORT, MessageQueueIF::NO_QUEUE);
@@ -337,6 +337,10 @@ void FreshMpsocHandler::startTransition(Mode_t newMode, Submode_t submode) {
   } else if ((newMode == MODE_ON or newMode == MODE_NORMAL) &&
              ((mode == MODE_OFF) or (mode == MODE_UNDEFINED))) {
     transitionState = TransitionState::TO_ON;
+  } else if (mode == MODE_ON && newMode == MODE_NORMAL) {
+    hkReport.setReportingEnabled(true);
+  } else if (mode == MODE_NORMAL && newMode == MODE_ON) {
+    hkReport.setReportingEnabled(false);
   } else if (newMode == MODE_OFF) {
     transitionState = TransitionState::TO_OFF;
   }
@@ -372,7 +376,9 @@ void FreshMpsocHandler::handleTransitionToOn() {
   if (startupState == StartupState::DONE) {
     setMode(targetMode, targetSubmode);
     transitionState = TransitionState::NONE;
-    hkReport.setReportingEnabled(true);
+    if (targetMode == MODE_NORMAL) {
+      hkReport.setReportingEnabled(true);
+    }
     powerState = PowerState::IDLE;
     startupState = StartupState::IDLE;
   }
@@ -763,7 +769,7 @@ ReturnValue_t FreshMpsocHandler::commandTcSimplexStreamFile(const uint8_t* comma
 }
 
 ReturnValue_t FreshMpsocHandler::commandTcSplitFile(const uint8_t* commandData,
-                                                           size_t commandDataLen) {
+                                                    size_t commandDataLen) {
   mpsoc::TcSplitFile tcSplitFile(spParams, commandSequenceCount);
   ReturnValue_t result = tcSplitFile.setPayload(commandData, commandDataLen);
   if (result != returnvalue::OK) {
@@ -803,6 +809,11 @@ ReturnValue_t FreshMpsocHandler::commandTcModeSnapshot() {
 
 ReturnValue_t FreshMpsocHandler::finishAndSendTc(DeviceCommandId_t cmdId, mpsoc::TcBase& tcBase,
                                                  uint32_t cmdCountdownMs) {
+  // Emit warning but still send command.
+  if (specialComHelperExecuting) {
+    sif::warning << "PLOC MPSoC: Sending command even though special COM helper is executing"
+                 << std::endl;
+  }
   ReturnValue_t result = tcBase.finishPacket();
   if (result != returnvalue::OK) {
     return result;
diff --git a/linux/payload/PlocMpsocSpecialComHelper.cpp b/linux/payload/PlocMpsocSpecialComHelper.cpp
index c3a70cd6..0af2c3d5 100644
--- a/linux/payload/PlocMpsocSpecialComHelper.cpp
+++ b/linux/payload/PlocMpsocSpecialComHelper.cpp
@@ -179,8 +179,12 @@ ReturnValue_t PlocMpsocSpecialComHelper::performFlashWrite() {
 
 ReturnValue_t PlocMpsocSpecialComHelper::performFlashRead() {
   std::error_code e;
-  std::ofstream ofile(flashReadAndWrite.obcFile, std::ios::trunc | std::ios::binary);
-  if (ofile.bad()) {
+  if (std::filesystem::exists(flashReadAndWrite.obcFile)) {
+    // Truncate the file first.
+    std::ofstream ofile(flashReadAndWrite.obcFile, std::ios::binary | std::ios::trunc);
+  }
+  std::ofstream ofile(flashReadAndWrite.obcFile, std::ios::binary | std::ios::app);
+  if (ofile.bad() or not ofile.is_open()) {
     return returnvalue::FAILED;
   }
   ReturnValue_t result = flashfopen(mpsoc::FileAccessModes::READ);
diff --git a/tmtc b/tmtc
index 9a06c64d..067a0160 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit 9a06c64dfac3f4283c2d5af72a9c095f4726480b
+Subproject commit 067a0160405bcf53659072749eddbb7ad7f1d41c