diff --git a/system/hardware/tici/esim.py b/system/hardware/tici/esim.py
index ad46138d4a..bb1325a136 100644
--- a/system/hardware/tici/esim.py
+++ b/system/hardware/tici/esim.py
@@ -32,8 +32,8 @@ class TiciLPA(LPABase):
     return next((p for p in self.list_profiles() if p.enabled), None)
 
   def delete_profile(self, iccid: str) -> None:
-    self._validate_iccid(iccid)
-    self._validate_profile_exists(iccid)
+    self.validate_iccid(iccid)
+    self.validate_profile_exists(iccid)
     latest = self.get_active_profile()
     if latest is not None and latest.iccid == iccid:
       raise LPAError('cannot delete active profile, switch to another profile first')
@@ -44,7 +44,7 @@ class TiciLPA(LPABase):
     self._check_bootstrapped()
     self._validate_lpa_activation_code(lpa_activation_code)
     if nickname:
-      self._validate_nickname(nickname)
+      self.validate_nickname(nickname)
 
     msgs = self._invoke('profile', 'download', '-a', lpa_activation_code)
     self._validate_successful(msgs)
@@ -56,15 +56,15 @@ class TiciLPA(LPABase):
     self._process_notifications()
 
   def nickname_profile(self, iccid: str, nickname: str) -> None:
-    self._validate_iccid(iccid)
-    self._validate_profile_exists(iccid)
-    self._validate_nickname(nickname)
+    self.validate_iccid(iccid)
+    self.validate_profile_exists(iccid)
+    self.validate_nickname(nickname)
     self._validate_successful(self._invoke('profile', 'nickname', iccid, nickname))
 
   def switch_profile(self, iccid: str) -> None:
     self._check_bootstrapped()
-    self._validate_iccid(iccid)
-    self._validate_profile_exists(iccid)
+    self.validate_iccid(iccid)
+    self.validate_profile_exists(iccid)
     latest = self.get_active_profile()
     if latest and latest.iccid == iccid:
       return