Reinstall factory firmware on the WNDR3700v2 router

Installing and Using OpenWrt
1

Hi,
I want to donate this old router but must reinstall the old factory firmware.

Which is the procedure? I tried the web interface using the default factory image but it didn't work.

Thank you.

2

The TFTP recovery routine.
Wndr3700 u-boot bootloader contains the TFTP recovery routine that works well.

See wiki