TP-LINK TL-WR741ND V2 firmware upgrade from OpenWrt to factory

I updated the firmware once in the TP-LINK TL-WR741ND V2 router with OpenWrt | Kamikaze (r25068).
Standard root login without a password. The user has set some kind of password, so I had to hold the reset for 15 seconds while the router was turned on in order to reset the settings.

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TP-Link TL-WR941N Firmware Update

For the test, I will update the TP-Link TL-WR941N 300Mb/s V2 router with firmware 3.12.5 Build 100929 Rel.57776n.

1) Let’s look at the revision of the router, in my case it is V2, and just for it we download the archive with the new firmware from the official site, the first link for the 300Mb/c model, and the second for 450Mb/c.
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Configuring TP-Link EP110

On the test I will connect TP-Link EP110 ONT to BDCOM P3310B-2AC EPON OLT.

To configure the TP-Link EP110, you must connect it to the computer with a cable and type in the address bar of the browser http://192.168.1.1, then disable the DHCP server from the menu by unchecking DHCP.

It is also necessary to select the ONT mode as shown in the figure below:
tp-link-ep110

After that, TP-Link EP110 will work and register similarly to other ONTs, such as BDCOM P1501C1, FOXGATE 1001w, etc.

See also:
Configuring the BDCOM P3310 EPON

Firmware Update TP-Link TL-WR841N

It was necessary to flash TP-Link TL-WR841N router, because it periodically hung up, disconnected from the Internet, the router itself was pinging at that moment, but it was impossible to enter its web interface.

First, check the hardware version of the device, usually it is indicated on the label under the router, in our case it’s V8. I note that updating the firmware not from that version of the device can spoil it! Also, you can not update the firmware on Wi-Fi and turn off the power of the router during the firmware!

And so, to update the firmware you need:
1) Download the archive with the new firmware from the official site and unpack it
https://www.tp-link.com/us/download/TL-WR841N.html

2) Open the router settings by typing in the browser address http://192.168.0.1 and enter your login – admin, password – admin.

3) In the menu choose System Tools -> Firmware Upgrade, click the “Browse” button, select the previously downloaded firmware. Click “Upgrade”. Wait for the firmware to be installed and the device will reboot automatically.

After updating the firmware, the settings in the router are reset to standard.

Done.

This router model also has unofficial firmware DD-WRT
http://www.dd-wrt.com/site/support/router-database