TP-Link AR9331 UBoot Fix
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=General Info= | =General Info= | ||
- | Installing this Bugfix is only neccessary on TP-Link AR9331 based routers with more than 1 ethernet port! | + | If your device was running orig. firmware running newer than Mar 1. 2012 before flashing DD-WRT your devices UBoot is already up to date! |
+ | Installing this Bugfix is only neccessary on TP-Link AR9331 based routers with more than 1 ethernet port! | ||
Which are at the time of writing: | Which are at the time of writing: | ||
TL-WR740v4 | TL-WR740v4 |
Revision as of 17:33, 7 August 2012
Contents |
THX LOM for extracting the UBoot!
General Info
If your device was running orig. firmware running newer than Mar 1. 2012 before flashing DD-WRT your devices UBoot is already up to date! Installing this Bugfix is only neccessary on TP-Link AR9331 based routers with more than 1 ethernet port! Which are at the time of writing:
TL-WR740v4 TL-WR741v4
Update UBoot
There are 2 options to upgrade the bootloader.
With Orig. FW
The recommend one! Install the original firmware with the forum recovery files, upgrade the TP-Link firmware to the latest version and reflash DD-WRT.
In DD-WRT
This can permanently damage your router! Access your units cli (telnet, ssh, serial) and change to /tmp.
Download the bugfixed UBoot from here: [1] Rename the file to uboot.bin and upload the file via scp (enable sshd) to the routers /tmp
check md5 sum
md5sum /tmp/uboot.bin
must be
ab85f3e04c1db779d3a18646fe6c41b9
write update uboot
mtd write -f /tmp/uboot.bin uboot
reboot when finished