diff --git a/EFI/OC/Config.plist b/EFI/OC/Config.plist
index 7d76d4e..71cd5f0 100644
--- a/EFI/OC/Config.plist
+++ b/EFI/OC/Config.plist
@@ -645,6 +645,24 @@
 				<key>PlistPath</key>
 				<string>Contents/Info.plist</string>
 			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>BundlePath</key>
+				<string>RealtekCardReader.kext</string>
+				<key>Comment</key>
+				<string></string>
+				<key>Enabled</key>
+				<true/>
+				<key>ExecutablePath</key>
+				<string>Contents/MacOS/RealtekCardReader</string>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string></string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
 		</array>
 		<key>Block</key>
 		<array>
diff --git a/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Info.plist b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Info.plist
new file mode 100644
index 0000000..2b2acd4
--- /dev/null
+++ b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Info.plist
@@ -0,0 +1,377 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildMachineOSBuild</key>
+	<string>20G95</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>RealtekCardReader</string>
+	<key>CFBundleIdentifier</key>
+	<string>science.firewolf.rtsx</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>RealtekCardReader</string>
+	<key>CFBundlePackageType</key>
+	<string>KEXT</string>
+	<key>CFBundleShortVersionString</key>
+	<string>0.9.6</string>
+	<key>CFBundleSupportedPlatforms</key>
+	<array>
+		<string>MacOSX</string>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>0.9.6</string>
+	<key>DTCompiler</key>
+	<string>com.apple.compilers.llvm.clang.1_0</string>
+	<key>DTPlatformBuild</key>
+	<string>12E507</string>
+	<key>DTPlatformName</key>
+	<string>macosx</string>
+	<key>DTPlatformVersion</key>
+	<string>11.3</string>
+	<key>DTSDKBuild</key>
+	<string>20E214</string>
+	<key>DTSDKName</key>
+	<string>macosx11.3</string>
+	<key>DTXcode</key>
+	<string>1251</string>
+	<key>DTXcodeBuild</key>
+	<string>12E507</string>
+	<key>IOKitPersonalities</key>
+	<dict>
+		<key>IOSDBlockStorageDevice</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>Device Characteristics</key>
+			<dict>
+				<key>Product Name</key>
+				<string>Built In SDXC Reader</string>
+				<key>Vendor Name</key>
+				<string>Realtek</string>
+			</dict>
+			<key>IOClass</key>
+			<string>IOSDBlockStorageDevice</string>
+			<key>IOMediaIcon</key>
+			<dict>
+				<key>CFBundleIdentifier</key>
+				<string>com.apple.iokit.IOSCSIArchitectureModelFamily</string>
+				<key>IOBundleResourceFile</key>
+				<string>SD.icns</string>
+			</dict>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOSDHostDriver</string>
+		</dict>
+		<key>RealtekRTS5129Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekUSBCardReaderController</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOUSBHostDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+			<key>idProduct</key>
+			<integer>297</integer>
+			<key>idVendor</key>
+			<integer>3034</integer>
+		</dict>
+		<key>RealtekRTS5139Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekUSBCardReaderController</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOUSBHostDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+			<key>idProduct</key>
+			<integer>313</integer>
+			<key>idVendor</key>
+			<integer>3034</integer>
+		</dict>
+		<key>RealtekRTS5179Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekUSBCardReaderController</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOUSBHostDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+			<key>idProduct</key>
+			<integer>320</integer>
+			<key>idVendor</key>
+			<integer>3034</integer>
+		</dict>
+		<key>RealtekRTS5209Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5209Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x520910EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5227Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5227Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x522710EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5229Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5229Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x522910EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS522AController</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS522AController</string>
+			<key>IOPCIMatch</key>
+			<string>0x522A10EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5249Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5249Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x524910EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS524AController</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS524AController</string>
+			<key>IOPCIMatch</key>
+			<string>0x524A10EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS525AController</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS525AController</string>
+			<key>IOPCIMatch</key>
+			<string>0x525A10EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5260Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5260Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x526010EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5286Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5286Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x528610EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5287Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5287Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x528710EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+		<key>RealtekRTS5289Controller</key>
+		<dict>
+			<key>CFBundleIdentifier</key>
+			<string>science.firewolf.rtsx</string>
+			<key>IOClass</key>
+			<string>RealtekRTS5289Controller</string>
+			<key>IOPCIMatch</key>
+			<string>0x528910EC</string>
+			<key>IOProbeScore</key>
+			<integer>1000</integer>
+			<key>IOProviderClass</key>
+			<string>IOPCIDevice</string>
+			<key>Protocol Characteristics</key>
+			<dict>
+				<key>Physical Interconnect</key>
+				<string>Secure Digital</string>
+				<key>Physical Interconnect Location</key>
+				<string>Internal</string>
+			</dict>
+		</dict>
+	</dict>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.14</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2021 FireWolf. All rights reserved.</string>
+	<key>OSBundleLibraries</key>
+	<dict>
+		<key>com.apple.iokit.IOPCIFamily</key>
+		<string>2.9</string>
+		<key>com.apple.iokit.IOStorageFamily</key>
+		<string>2.1</string>
+		<key>com.apple.iokit.IOUSBHostFamily</key>
+		<string>1.2</string>
+		<key>com.apple.kpi.iokit</key>
+		<string>16.4</string>
+		<key>com.apple.kpi.libkern</key>
+		<string>16.4</string>
+	</dict>
+	<key>OSBundleRequired</key>
+	<string>Root</string>
+</dict>
+</plist>
diff --git a/EFI/OC/Kexts/RealtekCardReader.kext/Contents/MacOS/RealtekCardReader b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/MacOS/RealtekCardReader
new file mode 100644
index 0000000..51aac6e
Binary files /dev/null and b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/MacOS/RealtekCardReader differ
diff --git a/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Resources/LICENSE b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Resources/LICENSE
new file mode 100644
index 0000000..9860be2
--- /dev/null
+++ b/EFI/OC/Kexts/RealtekCardReader.kext/Contents/Resources/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2021, FireWolf @ FireWolf Pl.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
index 2b055cd..409f427 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Tested on macOS 12.4 Monterey
 - [x] 📶 Intel WiFi (AirportItlwm)
 - [x] 📶 Intel Bluetooth (IntelBluetoothFirmware)
 - [x] 🔌 USB Ports (There's only 15 controllers so I enabled everything)
-- [ ] 💾 SD Card Reader
+- [ ] 💾 SD Card Reader (RTS525A PCIe)
 - [ ] 📷 Internal Webcam
 - [ ] 💬 iMessage
 - [ ] 🎧 Realtek ALC289 Audio (Layouts **11**, 15, 23, 87, 93, 99)