Instead of a rar file on a computer, you use the phone's browser (accessed via accessibility exploits like TalkBack) to download bypass APKs like QuickShortcutMaker or Google Account Manager .
Many files are hosted on Google Drive or Mega.nz by individual creators like NTS Lab. Check the comments for recent "it works" confirmations. Download ZTE Z839 FRP rar
This is where the ".rar" file comes in. It often contains a programmer file and a flash tool (like BFT Tool or T-Tool ) to reset the FRP partition while the phone is in Emergency Download (EDL) mode. Instead of a rar file on a computer,