diff --git a/CHANGELOG.md b/CHANGELOG.md
index a59e0cf6..93f1f18b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 Starting from v2.2.5, all notable changes to this project will be documented in this file.
 
+## v3.0.3
+
+### Bug Fixes
+
+- Fixed an issue on the frontend where the CPU and memory usage percentages were not displayed correctly.
+- Resolved a backend issue where the timestamp, latitude, longitude, and elevation values were always 0 when fallback values were expected.
+
 ## v3.0.2
 
 ### New Features
diff --git a/VERSION b/VERSION
index 96506fd2..e314328a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v3.0.2
+v3.0.3
diff --git a/drivers/dao/tables/adc_count.go b/drivers/dao/tables/adc_count.go
index df2c0b94..c021b79e 100644
--- a/drivers/dao/tables/adc_count.go
+++ b/drivers/dao/tables/adc_count.go
@@ -7,7 +7,7 @@ import (
 
 type AdcCount struct {
 	dao.BaseModel
-	Timestamp  int64            `gorm:"column:timestamp;not null;index"`
+	Timestamp  int64            `gorm:"column:timestamp;index;not null;unique"`
 	Z_Axis     array.Int32Array `gorm:"column:z_axis;type:text"`
 	E_Axis     array.Int32Array `gorm:"column:e_axis;type:text"`
 	N_Axis     array.Int32Array `gorm:"column:n_axis;type:text"`
diff --git a/drivers/explorer/impl.go b/drivers/explorer/impl.go
index 7eef6b95..5bedf56a 100644
--- a/drivers/explorer/impl.go
+++ b/drivers/explorer/impl.go
@@ -230,8 +230,8 @@ func (e *ExplorerDriverImpl) handleReadLegacyPacket(deps *ExplorerDependency) {
 			return
 		case <-ticker.C:
 			if len(dataBuffer) > 0 {
-				deps.Health.Received++
 				deps.Health.UpdatedAt = time.Now()
+				deps.Health.Received++
 
 				// Fix jitter in the timestamp
 				t, _ := deps.FallbackTime.GetTime()
@@ -308,7 +308,7 @@ func (e *ExplorerDriverImpl) handleReadMainlinePacket(deps *ExplorerDependency)
 				deps.Health.Errors++
 				continue
 			}
-			if deps.Config.Latitude != 0 && deps.Config.Longitude != 0 && deps.Config.Elevation != 0 {
+			if e.mainlinePacketHeader.latitude != 0 && e.mainlinePacketHeader.longitude != 0 && e.mainlinePacketHeader.elevation != 0 {
 				deps.Config.Latitude = float64(e.mainlinePacketHeader.latitude)
 				deps.Config.Longitude = float64(e.mainlinePacketHeader.longitude)
 				deps.Config.Elevation = float64(e.mainlinePacketHeader.elevation)
@@ -360,6 +360,7 @@ func (e *ExplorerDriverImpl) handleReadMainlinePacket(deps *ExplorerDependency)
 				if time.Duration(math.Abs(float64(t.Sub(prevTime).Milliseconds()))) <= EXPLORER_GENERAL_JITTER {
 					t = deps.FallbackTime.Fix(t, prevTime, time.Second)
 				}
+				finalPacket.Timestamp = t.UnixMilli()
 				prevTime = t
 			}
 			deps.messageBus.Publish("explorer", &finalPacket)
diff --git a/drivers/explorer/types.go b/drivers/explorer/types.go
index be19c70a..71ac2f05 100644
--- a/drivers/explorer/types.go
+++ b/drivers/explorer/types.go
@@ -10,7 +10,7 @@ import (
 	messagebus "github.com/vardius/message-bus"
 )
 
-const EXPLORER_GENERAL_JITTER = 2 * time.Millisecond
+const EXPLORER_GENERAL_JITTER = 10 * time.Millisecond
 
 const (
 	EXPLORER_CHANNEL_CODE_Z = "Z"
diff --git a/frontend/src/.env b/frontend/src/.env
index d106c803..04b5e6d9 100644
--- a/frontend/src/.env
+++ b/frontend/src/.env
@@ -1,2 +1,2 @@
-REACT_APP_VERSION=v3.0.2
-REACT_APP_RELEASE=732d9df6-20240808110748
+REACT_APP_VERSION=v3.0.3
+REACT_APP_RELEASE=ac50096d-20240808200400
diff --git a/frontend/src/src/views/Home/handleSetCharts.tsx b/frontend/src/src/views/Home/handleSetCharts.tsx
index 7eba6ad5..fd067a2e 100644
--- a/frontend/src/src/views/Home/handleSetCharts.tsx
+++ b/frontend/src/src/views/Home/handleSetCharts.tsx
@@ -40,6 +40,10 @@ export const handleSetCharts = (
 				timestamp - initTimestamp >= RETENTION_THRESHOLD_MS
 			);
 		}
+		prev.cpu.holder.values = {
+			...prev.cpu.holder.values,
+			usage: cpuPercent.toFixed(2)
+		};
 
 		// Set memory usage chart
 		const { percent: memoryPercent } = res.data.memory;
@@ -54,6 +58,10 @@ export const handleSetCharts = (
 				timestamp - initTimestamp >= RETENTION_THRESHOLD_MS
 			);
 		}
+		prev.memory.holder.values = {
+			...prev.memory.holder.values,
+			usage: memoryPercent.toFixed(2)
+		};
 
 		return prev;
 	});