To reset the on an itel A55 (W6003)

: Open the UpgradeDownload.exe or ResearchDownload.exe tool on your PC.

: 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.

: 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