diff --git a/app/src/main/java/im/angry/openeuicc/core/TelephonyManagerApduInterface.kt b/app/src/main/java/im/angry/openeuicc/core/TelephonyManagerApduInterface.kt
index b3b2089..f06e317 100644
--- a/app/src/main/java/im/angry/openeuicc/core/TelephonyManagerApduInterface.kt
+++ b/app/src/main/java/im/angry/openeuicc/core/TelephonyManagerApduInterface.kt
@@ -69,8 +69,12 @@ class TelephonyManagerApduInterface(
 
     override val atr: ByteArray?
         get() = try {
-            tm.iccGetATR(port.card.physicalSlotIndex)
-        } catch (e: Exception) {
-            null
+            tm.iccGetAtr(slotIndex)?.decodeHex()
+        } catch (e: NoSuchMethodException) {
+            try {
+                tm.getAtrUsingSlotId(slotIndex)
+            } catch (e: Exception) {
+                null
+            }
         }
 }
\ No newline at end of file
diff --git a/libs/hidden-apis-shim/src/main/java/im/angry/openeuicc/util/TelephonyManagerHiddenApi.kt b/libs/hidden-apis-shim/src/main/java/im/angry/openeuicc/util/TelephonyManagerHiddenApi.kt
index 288742b..0d5d463 100644
--- a/libs/hidden-apis-shim/src/main/java/im/angry/openeuicc/util/TelephonyManagerHiddenApi.kt
+++ b/libs/hidden-apis-shim/src/main/java/im/angry/openeuicc/util/TelephonyManagerHiddenApi.kt
@@ -64,12 +64,18 @@ private val getITelephony: Method by lazy {
     }
 }
 
-fun TelephonyManager.iccGetATR(slotId: Int): ByteArray? {
+fun TelephonyManager.getAtrUsingSlotId(slotId: Int): ByteArray? {
     val telephony = getITelephony.invoke(this)
     val getAtrUsingSlotId = telephony.javaClass.getMethod("getAtrUsingSlotId", Int::class.java)
     return getAtrUsingSlotId.invoke(telephony, slotId) as ByteArray?
 }
 
+fun TelephonyManager.iccGetAtr(slotId: Int): String? {
+    val telephony = getITelephony.invoke(this)
+    val iccGetAtr = telephony.javaClass.getMethod("iccGetAtr", Int::class.java)
+    return iccGetAtr.invoke(telephony, slotId) as String?
+}
+
 fun TelephonyManager.iccOpenLogicalChannelBySlot(
     slotId: Int, appletId: String?, p2: Int
 ): IccOpenLogicalChannelResponse =
@@ -107,10 +113,15 @@ fun TelephonyManager.iccTransmitApduLogicalChannelByPort(
 
 var TelephonyManager.simSlotMapping: Collection<UiccSlotMapping>
     get() = getSimSlotMapping.invoke(this) as Collection<UiccSlotMapping>
-    set(new) { setSimSlotMapping.invoke(this, new) }
+    set(new) {
+        setSimSlotMapping.invoke(this, new)
+    }
 
 private val requestEmbeddedSubscriptionInfoListRefresh: Method by lazy {
-    SubscriptionManager::class.java.getMethod("requestEmbeddedSubscriptionInfoListRefresh", Int::class.java)
+    SubscriptionManager::class.java.getMethod(
+        "requestEmbeddedSubscriptionInfoListRefresh",
+        Int::class.java
+    )
 }
 
 fun SubscriptionManager.requestEmbeddedSubscriptionInfoListRefresh(cardId: Int) {