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 bfbcbd8..248afaf 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
@@ -123,7 +123,13 @@ class EuiccInfoActivity : BaseEuiccAccessActivity(), OpenEuiccContextMarker {
             add(Item(R.string.euicc_info_pp_version, info.ppVersion.toString()))
             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)))
+
+            val nvramText = buildString {
+                append(formatFreeSpace(info.freeNvram))
+                append(' ')
+                append(getString(R.string.euicc_info_free_nvram_hint))
+            }
+            add(Item(R.string.euicc_info_free_nvram, nvramText))
         }
         channel.lpa.euiccInfo2?.euiccCiPKIdListForSigning.orEmpty().let { signers ->
             // SGP.28 v1.0, eSIM CI Registration Criteria (Page 5 of 9, 2019-10-24)
diff --git a/app-common/src/main/res/values-zh-rCN/strings.xml b/app-common/src/main/res/values-zh-rCN/strings.xml
index e947c6a..3865e71 100644
--- a/app-common/src/main/res/values-zh-rCN/strings.xml
+++ b/app-common/src/main/res/values-zh-rCN/strings.xml
@@ -136,6 +136,7 @@
     <string name="euicc_info_sas_accreditation_number">SAS 认证号码</string>
     <string name="euicc_info_pp_version">Protected Profile 版本</string>
     <string name="euicc_info_free_nvram">NVRAM 剩余空间 (eSIM 存储容量)</string>
+    <string name="euicc_info_free_nvram_hint">（仅供参考）</string>
     <string name="euicc_info_ci_type">证书签发者 (CI)</string>
     <string name="euicc_info_ci_gsma_live">GSMA 生产环境 CI</string>
     <string name="euicc_info_ci_gsma_test">GSMA 测试 CI</string>
diff --git a/app-common/src/main/res/values/strings.xml b/app-common/src/main/res/values/strings.xml
index ae0700b..e8e46a8 100644
--- a/app-common/src/main/res/values/strings.xml
+++ b/app-common/src/main/res/values/strings.xml
@@ -144,6 +144,7 @@
     <string name="euicc_info_sas_accreditation_number">SAS Accreditation Number</string>
     <string name="euicc_info_pp_version">Protected Profile Version</string>
     <string name="euicc_info_free_nvram">Free NVRAM (eSIM profile storage)</string>
+    <string name="euicc_info_free_nvram_hint">(for reference only)</string>
     <string name="euicc_info_ci_type">Certificate Issuer (CI)</string>
     <string name="euicc_info_ci_gsma_live">GSMA Live CI</string>
     <string name="euicc_info_ci_gsma_test">GSMA Test CI</string>