How restore my Routher TP LINK 740n

[pacopsc]

Hello,
I have a router wr740n, today I decided to upgrade its firmware from 1.47 to 1.60, everything went normal , but when i make a backup, а router stopped working.
How to restore it?
thank you

[williambondi]

This equipment has been tested and found to comply with the limits for a Class B digital device, There are two ways to reset to the Router's factory defaults:

[pacopsc]

I fix it.

Thank you.