Ubiquiti to OpenWRT: Difference between revisions

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Strategy: Ditch the Ubiquiti Firmware and install OpenWRT.

Install version 3.7.58 firmware (the below assumes the file is renamed to 3.7.58.bin). And this firmware is difficult to find as Ubiquiti does not make available on their website. The links found were not the most reliable, so have not been included here. Do a search and try and find it. The file size is 7.4 MB (Windows size, so 7,766,016 bytes).;

Install version 3.7.58 firmware (the below assumes the file is renamed to 3.7.58.bin, as of mid 2026: https://dl.ui.com/unifi/firmware/U7PG2/3.7.58.6385/BZ.qca956x.v3.7.58.6385.170508.0957.bin). And this firmware is difficult to find as Ubiquiti does not make available on their website. The links found were not the most reliable, so have not been included here. Do a search and try and find it. The file size is 7.4 MB (Windows size, so 7,766,016 bytes).;

*scp root@WhatEverIPAddress:/3.7.58.bin /tmp (make sure it has access to a Linux or Windows device with SSH capability to use SCP, and WhatEverIPAddress is the Server IP Address where the file is coming from)

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*..."look for it" at 192.168.1.1

*And then head on over to: [[AC Series Recommended Software and Utilities|AC Series Recommended Software and Utilities - Wiki.TerraBase.info]], and install some utilities that will allow for connecting a USB Flash drive so some real software can be installed on the little guy (not enough internal storage). Hint: Use the "minimal install".

Sometimes the ubnt / ubnt, User Name / Password doesn't work, try ui / ui. And if that doesn't work, try the TFTP method of installing the 3.7.58.bin firmware;

* Hold Reset Button

* Plug in Power

* Hold Reset Button until LED(s) flash White / Blue

* tftp -i 192.168.1.20 put 3.7.58.bin

* Reboot

* SSH and Login with ubnt / ubnt at 192.168.1.20 OR, if it has obtained an IP Address from a DHCP server, which it will, then locate that IP

* tftp -g -r OpenWRT.bin

* ...and then pick up on the above instructions for mtd, dd, etc.

...and if that don't work, break out the soldering iron and attach some pins for JTAG / Serial.

@@ Line 9: / Line 9: @@
 Strategy: Ditch the Ubiquiti Firmware and install OpenWRT.
-Install version 3.7.58 firmware (the below assumes the file is renamed to 3.7.58.bin).  And this firmware is difficult to find as Ubiquiti does not make available on their website.  The links found were not the most reliable, so have not been included  here.  Do a search and try and find it.  The file size is 7.4 MB (Windows size, so 7,766,016 bytes).;
+Install version 3.7.58 firmware (the below assumes the file is renamed to 3.7.58.bin, as of mid 2026: https://dl.ui.com/unifi/firmware/U7PG2/3.7.58.6385/BZ.qca956x.v3.7.58.6385.170508.0957.bin).  And this firmware is difficult to find as Ubiquiti does not make available on their website.  The links found were not the most reliable, so have not been included  here.  Do a search and try and find it.  The file size is 7.4 MB (Windows size, so 7,766,016 bytes).;
 *scp root@WhatEverIPAddress:/3.7.58.bin /tmp (make sure it has access to a Linux or Windows device with SSH capability to use SCP, and WhatEverIPAddress is the Server IP Address where the file is coming from)
@@ Line 23: / Line 23: @@
 *..."look for it" at 192.168.1.1
 *And then head on over to: [[AC Series Recommended Software and Utilities|AC Series Recommended Software and Utilities - Wiki.TerraBase.info]], and install some utilities that will allow for connecting a USB Flash drive so some real software can be installed on the little guy (not enough internal storage).  Hint: Use the "minimal install".
+Sometimes the ubnt / ubnt, User Name / Password doesn't work, try ui / ui.  And if that doesn't work, try the TFTP method of installing the 3.7.58.bin firmware;
+* Hold Reset Button
+* Plug in Power
+* Hold Reset Button until LED(s) flash White / Blue
+* tftp -i 192.168.1.20 put 3.7.58.bin
+* Reboot
+* SSH and Login with ubnt / ubnt at 192.168.1.20 OR, if it has obtained an IP Address from a DHCP server, which it will, then locate that IP
+* tftp -g -r OpenWRT.bin
+* ...and then pick up on the above instructions for mtd, dd, etc.
 ...and if that don't work, break out the soldering iron and attach some pins for JTAG / Serial.