diff --git a/README.md b/README.md
index 79ac66a..ccd86c9 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A Lightning Hardware Wallet based on [Validating Lightning Signer](https://gitla
 
 Find your port (`ls /dev/tty.*`)
 
-`PORT=/dev/tty.usbserial-1420`
+`PORT=/dev/tty.usbserial-1410`
 
 `espflash $PORT target/riscv32imc-esp-espidf/release/sphinx-key-factory`
 
diff --git a/sphinx-key/src/clear.rs b/sphinx-key/src/clear.rs
index c17803e..30a3cb3 100644
--- a/sphinx-key/src/clear.rs
+++ b/sphinx-key/src/clear.rs
@@ -1,9 +1,22 @@
+mod conn;
+mod core;
+mod ota;
+mod periph;
+
+#[allow(unused_imports)]
+use crate::periph::sd::mount_sd_card;
+
 use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, always keep this module imported
 
 // use embedded_svc::storage::StorageBase;
 use esp_idf_svc::nvs::EspNvs;
 use esp_idf_svc::nvs::*;
 
+use std::fs;
+use std::path::Path;
+
+pub const ROOT_STORE: &str = "/sdcard/store";
+
 fn main() -> anyhow::Result<()> {
     // NvsDefault::new();
     let default_nvs = EspDefaultNvsPartition::take()?;
@@ -13,5 +26,28 @@ fn main() -> anyhow::Result<()> {
     store.remove("nonce").expect("couldnt remove nonce 1");
     store.remove("policy").expect("couldnt remove policy 1");
     println!("NVS cleared!");
+
+    println!("About to mount the sdcard...");
+    while let Err(_e) = mount_sd_card() {
+        println!("Failed to mount sd card. Make sure it is connected, trying again...");
+        std::thread::sleep(std::time::Duration::from_secs(5));
+    }
+    println!("SD card mounted!");
+
+    let dir = Path::new(ROOT_STORE);
+    println!("root store is dir {}", dir.is_dir());
+    if dir.is_dir() {
+        for entry in fs::read_dir(dir)? {
+            let entry = entry?;
+            let path = entry.path();
+            if path.is_dir() {
+                println!("PATH {}", path.display());
+                if let Err(e) = fs::remove_dir_all(path) {
+                    println!("err removing dir");
+                }
+            }
+        }
+    }
+
     Ok(())
 }
diff --git a/sphinx-key/src/conn/mqtt.rs b/sphinx-key/src/conn/mqtt.rs
index e978902..1dd9c50 100644
--- a/sphinx-key/src/conn/mqtt.rs
+++ b/sphinx-key/src/conn/mqtt.rs
@@ -13,7 +13,7 @@ use log::*;
 use std::sync::mpsc;
 use std::thread;
 
-pub const QOS: QoS = QoS::ExactlyOnce;
+pub const QOS: QoS = QoS::AtMostOnce;
 
 pub fn make_client(
     broker: &str,