how to unlock k3570z

[karan14u]

how to unlock k3570z

[karan14u]

how to update firmwear or dashboard

[Gintas]

You can unlock it with DC-Unlocker.
Download DC-Unlocker here: http://www.dc-unlocker.com/downloads/get/geYdYgWW
How to use it, you can see here: http://www.dc-unlocker.com/tutorials

Sorry, but we do not provide firmware update services.
Also, you cannot change/update dashboard for this modem with DC-Unlocker.