"There’s a free unlock file for download." Reality: True free unlock files for the E5577s-932 don’t exist. Unlock codes are generated per IMEI. Free "files" are scams.
If the software method fails, disassemble the device and use a tweezer to short the test point while connecting it to the PC. The PC should detect it as "Huawei Mobile Connect - DownLoad Port." Firmware Flash: Firmware (.exe) Commonly used versions include E5577s-932_Update_21.333.xx.xx WebUI Update: After the firmware, flash the WebUI file e5577s-932 unlock file
When people search for "e5577s-932 unlock file" , they usually mean one of two things: "There’s a free unlock file for download
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