diff --git a/utils/bulk_get_warranty_serial/download_warranty_serial_bulk.php b/utils/bulk_get_warranty_serial/download_warranty_serial_bulk.php
new file mode 100644
index 00000000..a720af21
--- /dev/null
+++ b/utils/bulk_get_warranty_serial/download_warranty_serial_bulk.php
@@ -0,0 +1,57 @@
+<?php
+
+// NOTE: reference: https://github.com/Azure/azure-storage-php/blob/master/samples/BlobSamples.php
+
+require_once(__DIR__ . '/../../vendor/autoload.php');
+
+use MicrosoftAzure\Storage\Blob\BlobRestProxy;
+use MicrosoftAzure\Storage\Common\ServiceException;
+
+//$blob_url = 'https://popappshopprodstorage.blob.core.windows.net/warranty';
+//$sas_token = 'sp=r&st=2021-03-18T08:26:36Z&se=2021-04-29T16:26:36Z&spr=https&sv=2020-02-10&sr=c&sig=Rwl3aCNThXEzuPjNB9sTvZzsx84ULDylyS1WtPwgyzg%3D';
+
+
+$blob_url = 'https://popappshopprodstorage.blob.core.windows.net';
+//$sas_token = 'sp=r&st=2021-03-20T17:09:13Z&se=2021-04-01T01:09:13Z&spr=https&sv=2020-02-10&sr=c&sig=pU2fxj6eXALfGTTrsmaJ7W0QtdstyR88Xs5lvMJ35xQ%3D';
+
+$sas_token = 'sp=r&st=2021-04-13T03:48:30Z&se=2022-04-01T11:48:30Z&spr=https&sv=2020-02-10&sr=c&sig=L6VDl40qRXhQb7w8JVkj3r7x2Xkt72pQaQ8AH2M5CRk%3D';
+
+$conn_string = "BlobEndpoint=$blob_url;\nSharedAccessSignature=$sas_token";
+
+$blob_client = BlobRestProxy::createBlobService($conn_string);
+
+// get start date from argument: 04-01-21 format
+$start_date = $argv[1];
+
+$current_date = new DateTime();
+
+$end_date = $current_date->format('m-d-y');
+
+$flag_done_processing = false;
+$proc_date = $start_date;
+
+while (!$flag_done_processing) {
+    $filename = 'warrantylogs' . $proc_date . '.csv';
+    echo $filename, PHP_EOL;
+
+    try {
+        // NOTE: via download blob
+        $res = $blob_client->getBlob('warranty', $filename);
+        // print_r($res);
+
+        file_put_contents("/tmp/output.txt", $res->getContentStream(), FILE_APPEND);
+    } catch (Exception $e)
+    {
+        echo 'Caught exception: ', $e->getMessage(), "\n";
+    }
+
+    // change proc_date to next day
+    $next_date = DateTime::createFromFormat('m-d-y', $proc_date);
+    $next_date->modify('+1 day');
+    $proc_date = $next_date->format('m-d-y');
+
+    if ($end_date == $proc_date) {
+        $flag_done_processing = true;
+    }
+}
+
diff --git a/utils/get_warranty_serial/get_serials.php b/utils/get_warranty_serial/get_serials.php
index 19795323..dc92b565 100644
--- a/utils/get_warranty_serial/get_serials.php
+++ b/utils/get_warranty_serial/get_serials.php
@@ -26,13 +26,18 @@ $current_date->modify("-1 day");
 $date = $current_date->format('m-d-y');
 
 $filename = 'warrantylogs' . $date . '.csv';
-print_r($filename);
+//print_r($filename);
 
-// NOTE: via download blob
-$res = $blob_client->getBlob('warranty', $filename);
-// print_r($res);
+try {
+    // NOTE: via download blob
+    $res = $blob_client->getBlob('warranty', $filename);
+    // print_r($res);
+
+    file_put_contents("/tmp/output.txt", $res->getContentStream());
+} catch (Exception $e) {
+    file_put_contents("/tmp/serial_download_error.txt", $filename . "\n" . $e->getMessage() . "\n" . "\n", FILE_APPEND);
+}
 
-file_put_contents("/tmp/output.txt", $res->getContentStream());
 
 /*
 // NOTE: getting via url