diff --git a/deploy.sh b/deploy.sh
index d0e1f8c..b7b5362 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,9 +1,6 @@
 check_exists() {
     command -v "$1" > /dev/null
 }
-check_port() {
-    cargo espflash board-info --port "$1" &> /dev/null
-}
 if ! check_exists esptool.py
 then
     echo "esptool.py not installed!"
@@ -28,21 +25,6 @@ then
     echo "install with this command: cargo install espflash"
     exit 1
 fi
-if [ -z "$SSID" ]
-then
-    echo "Please set environment variable SSID to the SSID of the wifi you'll use to configure your sphinx-key."
-    exit 1
-fi
-if [ -z "$PASS" ]
-then
-    echo "Please set environment variable PASS to the password of the wifi you'll use to configure your sphinx-key."
-    exit 1
-fi
-if [ ${#PASS} -lt 8 ]
-then
-    echo "Please set PASS to a password longer than 7 characters."
-    exit 1
-fi
 cargo espflash erase-flash
 git pull &&
 cd factory &&
diff --git a/sphinx-key/sphinx_key.sh b/sphinx-key/sphinx_key.sh
index 6b9110d..595fbc5 100755
--- a/sphinx-key/sphinx_key.sh
+++ b/sphinx-key/sphinx_key.sh
@@ -1,9 +1,6 @@
 check_exists() {
     command -v "$1" > /dev/null
 }
-check_port() {
-    cargo espflash board-info --port "$1" &> /dev/null
-}
 if ! check_exists esptool.py
 then
     echo "esptool.py not installed!"
@@ -28,21 +25,6 @@ then
     echo "install with this command: cargo install espflash"
     exit 1
 fi
-if [ -z "$SSID" ]
-then
-    echo "Please set environment variable SSID to the SSID of the wifi you'll use to configure your sphinx-key."
-    exit 1
-fi
-if [ -z "$PASS" ]
-then
-    echo "Please set environment variable PASS to the password of the wifi you'll use to configure your sphinx-key."
-    exit 1
-fi
-if [ ${#PASS} -lt 8 ]
-then
-    echo "Please set PASS to a password longer than 7 characters."
-    exit 1
-fi
 cargo espflash save-image --bin sphinx-key --release --chip esp32c3 sphinx-key.bin &&
 espsecure.py sign_data sphinx-key.bin --version 2 --keyfile ../secure_boot_signing_key.pem &&
 espflash write-bin 0x50000 sphinx-key.bin &&
diff --git a/sphinx-key/src/conn/wifi.rs b/sphinx-key/src/conn/wifi.rs
index cc6da69..e6bc5a8 100644
--- a/sphinx-key/src/conn/wifi.rs
+++ b/sphinx-key/src/conn/wifi.rs
@@ -9,6 +9,10 @@ use esp_idf_svc::wifi::{
 };
 use log::*;
 use sphinx_signer::sphinx_glyph::control::Config;
+use std::fs;
+
+const SSID_FILE: &str = "/sdcard/ssid.txt";
+const PASS_FILE: &str = "/sdcard/password.txt";
 
 pub fn start_client(
     modem: impl peripheral::Peripheral<P = esp_idf_svc::hal::modem::Modem> + 'static,
@@ -89,15 +93,30 @@ pub fn start_access_point(
         sysloop,
     )?;
 
-    let ssid: &'static str = env!("SSID");
-    let password: &'static str = env!("PASS");
+    let ssid = match fs::read_to_string(SSID_FILE) {
+        Ok(ssid) => ssid.trim().to_string(),
+        Err(_) => {
+            warn!("Could not read ssid from sd card, using default setting");
+            "sphinx".to_string()
+        }
+    };
+    let password = match fs::read_to_string(PASS_FILE) {
+        Ok(password) => password.trim().to_string(),
+        Err(_) => {
+            warn!("Could not read password from sd card, using default setting");
+            "sphinxkey".to_string()
+        }
+    };
     if password.len() < 8 {
-        return Err(anyhow::anyhow!("Password error!\nCurrent password: {}\nYour wifi password must be >= 8 characters. Compile this software again with a longer password.", password));
+        return Err(anyhow::anyhow!(
+            "Password error!\nCurrent password: {}\nYour wifi password must be >= 8 characters",
+            password
+        ));
     }
 
     wifi.set_configuration(&Configuration::AccessPoint(AccessPointConfiguration {
-        ssid: ssid.into(),
-        password: password.into(),
+        ssid: ssid.as_str().into(),
+        password: password.as_str().into(),
         channel: 6,
         auth_method: AuthMethod::WPA2Personal,
         ..Default::default()