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I recently got my old TL-WR741ND v2 TP-Link router out and decided to flash the newest beta on it. After doing I noticed that the Wireless Security settings stopped working and WiFi would fail completely. I tried reflashing my firmware to old firmware, but the dialog just keeps on loading with no progress... How can I fix this? I want to go back to a compatible dd-wrt build or revert to factory stock firmware if possible.

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  • What model is your router?
    – harrymc
    Jan 18, 2020 at 19:26
  • @harrymc edited the question to contain this information
    – Sir Muffington
    Jan 18, 2020 at 19:28
  • Did you get this figured out?
    – Tim_Stewart
    Jan 25, 2020 at 20:13
  • Not really and I'm not willing to flash some random firmware from the untrusted sources either...
    – Sir Muffington
    Jan 26, 2020 at 12:52

1 Answer 1

Reset to default
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The downloadable firmware from the TP-Link website may contain a bootloader section in front of the actual firmware, which confuses DD-WRT.

To aid in extracting the right section of the firmware, one person has created a unofficial compendium of stripped-down TP-Link firmware: TP-Link stripped firmware.

This page contains a link to the stripped TL-WR741ND V2 firmware.

Unzip the downloaded file and try to use DD-WRT to install the included .bin file.

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  • hmm the problem appears to be not the bootloader, because I can't flash a different revision of dd-wrt onto it either...
    – Sir Muffington
    Jan 19, 2020 at 16:17
  • The problem with DD-WRT is locating the right firmware. Installing doesn't work either with the firmware in my answer?
    – harrymc
    Jan 19, 2020 at 17:30
  • I tried using the official "revert back to stock" firmware from dd-wrt website and it did not work. either did a different build of dd-wrt build, hence my scepsis. I will try out your suggested firmware later when I have some extra time
    – Sir Muffington
    Jan 19, 2020 at 20:55
  • Is there a way to strip down the firmware by myself? With binwalk or smth?
    – Sir Muffington
    Jan 26, 2020 at 12:52
  • You need to cut the first 0x20200 bytes (131,584 = 257*512), for example with dd if=orig.bin of=tplink.bin skip=257 bs=512. This was already done in my first link, so I would recommend trying it first.
    – harrymc
    Jan 26, 2020 at 14:39

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