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 0db0654..175a488 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
@@ -114,10 +114,8 @@ 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()))
-            if (info.sasAccreditationNumber.isNotBlank()) {
-                // ESTKme 5x hide SAS accreditation number
-                add(Item(R.string.euicc_info_sas_accreditation_number, info.sasAccreditationNumber))
-            }
+            info.sasAccreditationNumber.trim().takeIf(Regex("^[A-Z]{2}-[A-Z]{2}(-UP)?")::matches)
+                ?.let { add(Item(R.string.euicc_info_sas_accreditation_number, it)) }
             add(Item(R.string.euicc_info_free_nvram, info.freeNvram.let(::formatFreeSpace)))
         }
         channel.lpa.euiccInfo2?.euiccCiPKIdListForSigning.orEmpty().let { signers ->