The tool should detect the phone and start the flashing process.
: The SPD Upgrade Tool (also known as Research Download or Upgrade Download) is the standard free utility for .pac files. PAC File : You need a specific itel A55 W6003 firmware or a dedicated FRP reset PAC file. How to Reset FRP using a PAC File Download the Files : Obtain the itel A55 W6003
: Once the tool displays a green "Passed" message, disconnect the phone and power it on. The Google account lock should be removed. The tool should detect the phone and start
: If using a full firmware file to reset only the FRP, some users deselect all partitions except userdata and cache , or use a dedicated small "FRP Reset" PAC file that only targets the FRP partition.
: Open the UpgradeDownload.exe or ResearchDownload.exe tool on your PC. How to Reset FRP using a PAC File
: Click the "Play" (Start Downloading) button in the tool. Connect the Device : Power off the phone completely.
To reset the on an itel A55 (W6003)
Hold the (or sometimes Volume Up + Down) button while connecting it to the PC via USB.