@Ivaylo Thanks for the your solve idea. you are right. Turktelekom firmware is not accept original firmware. also hardwire is not included WDS. I opened WDS menu but can't receive wireless signal....

@Ivaylo I tried two firmwares. But not accept. modem gave the message. Error Code: 4503 Uploaded file was not accepted by the device. I used Lan cable. not wirelewss network. modem label is

@Ivaylo Thanks for quickly answer. Is it enough if I just install the below firmware. I'm asking for the first time I'm going to install firmware. sorry.

@Ivaylo Thanks. I changed the config file. Now I'm connecting with my root password. But I can't see the WDS menu. as in your pictures. I think I should change the firmware. Which firmware should I...

Turktelekom company gave the modem. Now I want to use this modem as a wireless extender. I cannot update firmware. There is no WDS menu. There is no firmware update menu. How can I access the WDS...