How to factory reset a Huawei router
Reset button location
Reset button on the back or side, recessed (use a paperclip).
Hold duration
10 seconds
What gets reset
Reverts the modem / router to factory state including Wi-Fi credentials and admin password. ISP-provisioned config may also clear — keep your TR-069 credentials handy.
Brand-specific notes
ISP-locked Huawei HG / HS models may have telco-customised admin (telecomadmin / admintelecom) used by technicians — these are not officially documented.