diff --git a/app-common/src/main/java/im/angry/openeuicc/ui/EuiccInfoActivity.kt b/app-common/src/main/java/im/angry/openeuicc/ui/EuiccInfoActivity.kt
index 175a488..8bf4d4b 100644
--- a/app-common/src/main/java/im/angry/openeuicc/ui/EuiccInfoActivity.kt
+++ b/app-common/src/main/java/im/angry/openeuicc/ui/EuiccInfoActivity.kt
@@ -27,6 +27,12 @@ import kotlinx.coroutines.launch
 import net.typeblog.lpac_jni.impl.PKID_GSMA_LIVE_CI
 import net.typeblog.lpac_jni.impl.PKID_GSMA_TEST_CI
 
+// https://euicc-manual.osmocom.org/docs/pki/eum/accredited.json
+private val RE_SAS = Regex(
+    """^[A-Z]{2}-[A-Z]{2}(?:-UP)?-\d{4}T?(?:-\d+)?T?$""",
+    setOf(RegexOption.IGNORE_CASE),
+)
+
 class EuiccInfoActivity : BaseEuiccAccessActivity(), OpenEuiccContextMarker {
     companion object {
         private val YES_NO = Pair(R.string.yes, R.string.no)
@@ -114,8 +120,8 @@ class EuiccInfoActivity : BaseEuiccAccessActivity(), OpenEuiccContextMarker {
             add(Item(R.string.euicc_info_firmware_version, info.euiccFirmwareVersion.toString()))
             add(Item(R.string.euicc_info_globalplatform_version, info.globalPlatformVersion.toString()))
             add(Item(R.string.euicc_info_pp_version, info.ppVersion.toString()))
-            info.sasAccreditationNumber.trim().takeIf(Regex("^[A-Z]{2}-[A-Z]{2}(-UP)?")::matches)
-                ?.let { add(Item(R.string.euicc_info_sas_accreditation_number, it)) }
+            info.sasAccreditationNumber.trim().takeIf(RE_SAS::matches)
+                ?.let { add(Item(R.string.euicc_info_sas_accreditation_number, it.uppercase())) }
             add(Item(R.string.euicc_info_free_nvram, info.freeNvram.let(::formatFreeSpace)))
         }
         channel.lpa.euiccInfo2?.euiccCiPKIdListForSigning.orEmpty().let { signers ->