diff --git a/radio/1.5/IRadioResponse.hal b/radio/1.5/IRadioResponse.hal
index f65c075..8186ad7 100644
--- a/radio/1.5/IRadioResponse.hal
+++ b/radio/1.5/IRadioResponse.hal
@@ -20,6 +20,7 @@
 import @1.0::SendSmsResult;
 import @1.4::IRadioResponse;
 import @1.5::BarringInfo;
+import @1.5::CellInfo;
 import @1.5::PersoSubstate;
 import @1.5::RegStateResult;
 import @1.5::SetupDataCallResult;
@@ -202,6 +203,19 @@
             RegStateResult dataRegResponse);
 
     /**
+     * This is identitcal to getCellInfoListResponse_1_4 but uses an updated version of CellInfo.
+     *
+     * @param info Response info struct containing response type, serial no. and error
+     * @param cellInfo List of current cell information known to radio
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getCellInfoListResponse_1_5(RadioResponseInfo info, vec<CellInfo> cellInfo);
+
+    /**
      * @param info Response info struct containing response type, serial no. and error
      * @param persoType SIM Personalisation type
      * @param remainingRetries Positive values indicates number of retries remaining,