It sounds like you have successfully updated the firmware on your D-Link DSL-2750U (Hardware Version J1) and are looking for a summary or a "good post" regarding the experience. Since you didn't ask a specific question, I have compiled a "Good Post" summary that covers the benefits, common fixes, and important notes for this specific router model.
J1 FW Ver.1.05 | Type: rar | File Size: 0 MB. File Size: 6.75 MB. File Size: 1.8 MB | dlinkmea.com D-Link Загрузки dlink dsl2750u h w ver j1 firmware updated
Identify Revision: Confirm the sticker on the bottom of your router says H/W Ver: J1. Firmware is often hardware-specific; using the wrong version can "brick" the device. It sounds like you have successfully updated the
Verify the update
After reboot, log in again and check Status → Firmware version should match the new one. File Size: 6