I'm trying to install OpenWrt on a Linksys MR7350 from a Windows 11 PC. Current stock firmware is v1.1.7.209317/
Issue Summary
Factory Reset Fails: Multiple attempts (button hold 10-60s, 30-30-30 method, Web UI reset) don't clear custom WiFi SSID/password. After reset, still connects with old credentials; no default SSID (LinksysXXXXX) or setup wizard. Router responsive, but settings persist (NVRAM glitch?).
Web UI Flash Blocked: Uploading OpenWrt factory .bin gives "Unexpected Error: The firmware update did not complete successfully" with JSON: {"result": "ErrorUpgradeFailed"}.
Steps Tried (No Success)
Factory Resets: Extended button holds (30-60s while powered on/off), power cycles—WiFi unchanged.
Failing to reset stock firmware is not an Openwrt issue.
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Nothing to do with Linksys router, please read the booklet from the box.
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