Sagemcom Fast 5657

For Developers
1

UNLOCK FIRMWARE!

Description:

An experienced developer is required to create custom firmware based on OpenWrt.org for the Sagemcom Fast 5657 router. The goal is to enable advanced features and full control over the device, overcoming the limitations of the factory firmware (unlock it, currently only works with Masmovil, Yoigo, etc.). Possibility of working with other ISPs. The project includes the following key features:

  • Modification of the GPON serial number (SN): ability to change and manage the router's GPON SN.

Many operators use gpon serial number filtering to synchronize olt.

  • Telephony Data Management: Ability to upload and view telephony configuration data.

  • Connection Parameter Configuration:

  • Establishment of PPoE data using an intuitive form.

  • VLAN data configuration for Internet access.

  • Advanced WLAN (Wi-Fi) Control: Modification of wireless network parameters.

  • Port Forwarding: Functionality to create and delete port forwarding rules.

  • Secure Remote Access: Enable remote access to the router via the Internet using an HTTPS port.

  • Dynamic DNS support: Integration with user-defined Dyndns services (such as NOIP).

We are looking for a professional with in-depth knowledge of firmware development, embedded systems, and networks, capable of delivering a robust and functional solution.

It is based on Lua and C.

The developer can be paid a maximum of €90 per job completed!

If you need the firmware file, please let me know and I can provide it to you.

2

Actual device will be faxed over to the person taking on the job ?

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If the developer needs it, yes, and if it's Spain, even better, because of the shipping costs.

I'm in Spain.

4

Just curious because I'm in the US where this is generally illegal...

Do you own the routers, or are they ISP-owned?

Or is it some restriction with routers avaliable for purchase in the Spanish retail market?

Surplus old equipment?

Interesting.

5

Does not look supportable https://www.linksysinfo.org/index.php?threads/sagemcom-fast-5657.79360/post-361758 unless you prove otherwise.

  • pon mod - NO ref1
  • telephony - no support in openwrt, you need separate voip phone or PC software, same for tv
  • parameter config Ref2
  • Own connection parameters Ref2
  • VLAN Ref2
  • Wifi mod Ref2
  • Port forward Ref3
  • Remote access Ref3
  • DDNS Ref3

Ref1 https://www.linksysinfo.org/index.php?threads/sagemcom-fast-5657.79360/post-361758 ie not this router

Ref2 it may work if you get providers router into media converter (passthrough) mode or buy a 3rd party compatible PON-SFP or media converter (plus own router supporting repsective attachment)

Ref3 https://www.masmovil.es/ayuda-clientes/que-es-cgnat either pay up pr pay vpn.

6

Datasheet confirms BCM - https://drinia.tech/wp-content/uploads/2022/05/Sagemcom-f@st-5657-DATASHEET-1.pdf

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The router belonged to the ISP, but not anymore. Someone on Wallapop sent it to me through the app.

If the operator claims it, I would ask that person for it, because it wasn't mine.

And now I can do whatever I want with it because it's mine.

Besides, it's true that I don't know how to develop it, I don't have the knowledge, but if someone helps me with the firmware and then it doesn't work or ends up as a paperweight, at least I'll have tried. I'll throw it away and that's it. But at least I'll be better off than now, when it only works with Masmovil.

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Not quite how the law works here, but that sounds cool.

Agreed. :smiley:

9

How long does it take to develop router firmware (regardless of brand)? Two weeks?

More than a month?

10

"how long is a piece of string ?"

it's very hw specific...

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There is nob general answer to this, because it does primarily depend on the brand and the exact hardware (SOC, wireless, modem, …).

If you 'just' add a new device for a well-established OpenWrt-supported target (~SOC), you may get away with something between a long rainy weekend or several weeks/ a few months. Even in this easier case, it varies and depends a lot on your experience, your free time, your ability to present the PR - and on the question if the vendor wanted (or unknowingly) made things difficult for you. Even well intended things (circumventing hardware bugs in software, taking a cheaper route, etc. pp.) can make life really difficult for you, even though the SOC itself could be well supported (e.g. the Easybox 904 xDSL is a prime example for what can go wrong, even if theoretically everything could be supportable; OpenWrt doesn't have the luxury to ignore everything, just to support your exotic one-of-a-kind device, it somehow needs integrate smoothly with those that are already there).

If you have a well meaning SOC/ wireless vendor (who does follow the GPL and publishes vendor kernel sources), but is too lazy/ slow/ incompetent to actually follow through to get them integrated in mainline linux, you will have spend a lot of time on mainlining, basic kernel development first. This is possible, but shifts your time frame into double digit numbers of months++ (easily 2-3 years).

If you have an ignorant SOC/ wireless vendor who technically meets GPL requirements, but doesn't care about anything beyond that and keeps the target 'uninteresting' (late to market, low/ below-spec system specifications, cheap above quality), chances are that it will never be supported, because those who could do the work, won't spend their time on devices that barely meet minimum system requirements (~= have no shelf life/ no future).

If you have a hostile SOC vendor, and Broadcom wireless/ xDSL/ cable is the poster boy here, you won't find volunteers willing to waste their time on this. Even if you would, there is no example code to go by, no data sheets, nothing except the threat of legal action against you, you'd be looking at 5-10 years of hard work for a team (5-6 bare minimum, if we take 'just' b43 as an example) of developers to spend every free minute of their life on this, with a huge chance of complete failure. Realistically speaking, it's not going to happen - and you wouldn't have the money to fund it.

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