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[jorraplus]

Hello.

I upgraded my D-link router to beta firmware (FW106b01beta02) and now I have problems with speed of my WI-FI.
Itīs lower than before the upgrade.
Please help me.

How can I downgrade my firmware? (Sorry for bad English.)

[FurryNutz]

Link>Welcome!

• What region are you located?
• Are you wired or wireless connected to the router?
• Has a Factory Reset been performed?
• Was a Factory Reset performed before and after any firmware updates then set up from scratch?

  Link> >FW Update Process

• Which D-Link support site are you getting the FW from

Internet Service Provider and Modem Configurations

• What ISP Service do you have? Cable or DSL?
• What ISP Modem Mfr. and model # do you have?

How are you speedtesting? wired or wireless?

[jorraplus]

HI.

I am at Czech Republic.
I use this site to download the beta: https://support.dlink.com/ProductInfo.aspx?m=DIR-859
My problem is that after upgrade my 5 GHz WI-FI signal show me only max. speed = 4 MB/s
Before upgrade to beta It was be around at 20 MB/s with 5 GHz WI-FI signal.
On 2.4 GHz it work good = max 6 Mb/s
By Ethernet cable on my PC it work good to = around 30 MB/s
After upgrade i try - Restore To Factory Default Settings but it donīt help.
My ISP Service is Czech Republic = UPC and I think its connected by optic cable.
Speed-tested on iPhone by Ookla app form App Store.

 

[FurryNutz]

I would see if your regional site has FW for your region:
https://eu.dlink.com/cz/cs

[jorraplus]

It show me this:

Current Firmware Version:   1.06
Current Firmware Date:   2017-12-19 15:24:00

If I try to upgrade the firmware itīs show error.
On CZ site i found this: https://eu.dlink.com/cz/cs/products/dir-859-wireless-ac1750-dual-band-gigabit-router#support

[FurryNutz]

Use this to apply the FW from that regional site:
Emergency Recovery Mode

[jorraplus]

I used Emergency Recovery Mode - It is really helped me and my router now works fine on a stable FW 1.05.

Thank you.

[FurryNutz]

Enjoy. 

[manuelrhdotcl]

I used Emergency Recovery Mode - It is really helped me and my router now works fine on a stable FW 1.05.

Thank you.

Hi!

How enter recovery mode? i do all steps but i dont get access to http://192.168.0.1 for recovery mode.

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under the router case.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

If your upgrading FW, please use the routers web page to upgrade FW first. Are you having problem with the router? If so, please let us know the details...

Hi!

How enter recovery mode? i do all steps but i dont get access to http://192.168.0.1 for recovery mode.