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Nokia G-240W-C Modem Service Password: Change Local IP, Fiber Optic Network, INEA issues

LoLu 36180 21
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How can I change the local IP address and DHCP settings on an INEA-branded Nokia G-240W-C modem when the standard user login leaves those fields disabled?

You can change those settings without a secret password by editing the page in Chrome: open the GPON interface, right-click each disabled DHCP form field, choose inspect/explore, remove the "disabled" attribute in the HTML, and then click "save" [#17983926] One user confirmed that this worked for adding a primary DNS server in DHCP [#17984483] Another confirmed the same approach worked for them after INEA refused to provide a superuser account or change the subnet [#18215296] The thread also indicates that INEA intentionally blocks deeper changes on this branded firmware and will not provide higher privileges [#17871201][#17925076]
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
  • #1 17810834
    LoLu
    Level 12  
    Posts: 13
    Rate: 6
    Hello.
    I was connected to the fiber optic network using the NOKIA G-240W-C modem. Everything works fine, but the modem with a standard login and password gives access only to the status preview. The problem is that the router has a completely different IP addressing than I set up on the modem from the previous operator. On this login and password (User, ineagpon) I cannot change the local IP for this modem. Apparently nothing, but I have well over 100 devices in the network, and if I think about - log in to each of them (and even with a password to some) and change the addressing, it pisses me ... change in Ip modem! The INEA side does not want to help, claiming that it is not possible to change the IP. Does anyone have a login and password that will allow you to go deeper into the modem settings?
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  • #2 17810864
    marci4
    Level 31  
    Posts: 1290
    Help: 169
    Rate: 176
    I understand that the modem is connected to the WAN port of the router? The router's WAN addressing has nothing to do with the internal LAN addressing, so you can set the appropriate address on the WAN port so that it corresponds to the modem, and you can set the LAN local network to the addressing that suits you.

    Unless I don't understand something? What router are you using?
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  • #4 17810945
    LoLu
    Level 12  
    Posts: 13
    Rate: 6
    NOKIA G-240W-C is a combo from INEA - rutrer, with fiber optic modem, switch, usb and wifi 2,4 and 5. Standard ip address is 192.168.1.1. login / password user, ineagpon. The router has dhcp enabled. with address 192.168.1.50-253. Only in my current network I have the ip address 10.10.29.1-253. With the login and password user, ineagpon. I can't change the router's ip address from 192.168.1.1 to 10.10.29.1 and dhcp 10.10.29.100-253. these fields are inactive. my question, does anyone know any other password for this router / modem that gives access to change these parameters?
  • #5 17811341
    dktr
    Level 26  
    Posts: 930
    Help: 45
    Rate: 702
    With such a number of devices in the network, I am surprised why the author does not have his own router with his own dhcp natem server and what else he wants on which he will receive a public / private IP address from the provider with ethernet or other medium. The use of ISP equipment in this application is asking for problems, it is suitable for 5 smartphones at home ;)
  • #6 17811541
    qwart
    Level 26  
    Posts: 681
    Help: 87
    Rate: 171
    I think it's not about the password, but about the firmware of the modem, which is blocked by INEA on other vendors. Downloading pure software will do the trick.
  • #7 17812044
    LoLu
    Level 12  
    Posts: 13
    Rate: 6
    Uploading the original software may be a solution, thank you for the idea :D :D :D . The problem was that the fitter, who could weld optical fibers, had no idea what the acronym DHCP meant. The modem came as a total naked, after connecting to the network it only downloaded the firmware and settings itself. After 15 minutes it started moving, but nothing can be changed there.
  • #8 17812099
    qwart
    Level 26  
    Posts: 681
    Help: 87
    Rate: 171
    LoLu wrote:
    The modem came as a total naked, after connecting to the network it only downloaded the firmware and settings itself. After 15 minutes it started moving, but nothing can be changed there.

    The modem only downloaded the updates, which does not change the fact that it is still "branded" for one operator (just like mobile phones purchased at the showroom). Certain settings are locked, only a software change can unlock them.
    For the installer, an explanation of the abbreviation?
    http://pasja-informatyki.pl/sieci-komputerowe/protokol-dhcp/
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  • #9 17812120
    LoLu
    Level 12  
    Posts: 13
    Rate: 6
    qwart - you would have to find the page in Ukrainian, because the fitter just came from this country.
  • #10 17812599
    qwart
    Level 26  
    Posts: 681
    Help: 87
    Rate: 171
    LoLu wrote:
    qwart - you would have to find the page in Ukrainian, because the fitter just came from this country.

    You do not need to search for a Ukrainian site for this google translator
  • #11 17861564
    GeorgeZip
    Level 10  
    Posts: 40
    Rate: 13
    I have the same problem, did you deal with this change of addressing? maybe you've found a way to log in to the admin on this router, not as a user with truncated privileges
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  • #12 17861737
    LoLu
    Level 12  
    Posts: 13
    Rate: 6
    Just not. I ashes this router to another Wan router that changes the address for me. I know I know - treatment with powder, but how do I think about all those knots, printers, computers in the company, Ubiquiti Networks links, change of addressing all over the house - BRRRrrr. Well, but it works somehow there. I think it's a matter of firmware - as my colleagues suggested. If you find another working soft for this modem, let me know.
  • #13 17871201
    GeorgeZip
    Level 10  
    Posts: 40
    Rate: 13
    answer from inea, it is impossible to:

    "I kindly inform you that it is not possible to make changes that you indicated on INEA devices."
  • #14 17871321
    qwart
    Level 26  
    Posts: 681
    Help: 87
    Rate: 171
    GeorgeZip wrote:

    "I kindly inform you that it is not possible to make changes that you indicated on INEA devices."

    There are possibilities, but you must have a batch and an appropriate programmer.
  • #15 17871372
    GeorgeZip
    Level 10  
    Posts: 40
    Rate: 13
    yes, as you say, it's obvious, but it's not about uploading the firmware with the programmer to your INEA device.
    I meant more that it is impossible to do good, probably INEA provides remote access to these devices, hence the user with restrictions for the home user, the possibility of firmware upgrade is blocked after logging in, but with this LAN addressing blockade they exaggerated a bit, it is difficult
  • #16 17924824
    miamian
    Level 11  
    Posts: 10
    Hello, has someone been able to log into this Nokia modem with an account with higher privileges?
  • #17 17925076
    GeorgeZip
    Level 10  
    Posts: 40
    Rate: 13
    unfortunately, I gave up, INEA will not give the password because they keep some of the settings on it for TV and they do not want anyone to mess with it, and they probably have remote access to it :( uploading a clean firmware as my colleague advised here rather pointless, because you will lose services, if you get one at all, I somehow did not particularly look for it, I gave up after a few inquiries
  • #18 17983926
    hubalaga
    Level 10  
    Posts: 41
    Rate: 5
    I tried a moment ago - from what I can see you can change it without a "secret" password.
    Go through Chrome to GPON, on each form element to change DHCP settings, right click "explore", enter the html code on the right and remove "disabled" for each element of this form. Do not be afraid - you will not mess anything. Don't forget about the "save" button as well. Once everything is active, it's time for the changes that are right for you. By clicking "save" Nokia remembers it :-) Whether it works - I'm not sure, but I guess it does. I figured it out, I still didn't have fun, because I would have to change too much on the Internet :-D

    If so - what's wrong is not me :-)
  • #19 17984483
    GeorgeZip
    Level 10  
    Posts: 40
    Rate: 13
    hubalaga wrote:
    I tried a moment ago - from what I can see you can change it without a "secret" password.
    Go through Chrome to GPON, on each form element to change DHCP settings, right click "explore", enter the html code on the right and remove "disabled" for each element of this form. Do not be afraid - you will not mess anything. Don't forget about the "save" button as well. Once everything is active, it's time for the changes that are right for you. By clicking "save" Nokia remembers it :-) Whether it works - I'm not sure, but I guess it does. I figured it out, I still didn't have fun, because I would have to change too much on the Internet :-D

    If anything - what's wrong is not me :-)


    very interesting :)

    Added after 8 [hours] 56 [minutes]:

    I checked it and it works, I added server dns primary in dhcp :)
  • #20 17985913
    miamian
    Level 11  
    Posts: 10
    How do I make a copy before chrome changes?
  • #21 17986016
    hubalaga
    Level 10  
    Posts: 41
    Rate: 5
    miamian wrote:
    How do I make a copy before chrome changes?


    The changes you make in Chrome are only temporary and work until you reload the page (or turn off the browser).
  • #22 18215296
    djmab
    Level 1  
    Posts: 1
    GeorgeZip wrote:
    Go through Chrome to GPON, on each form element to change DHCP settings, right click "explore", enter the html code on the right and remove "disabled" for each element of this form.


    It works :) Thanks a lot. The staff from Inea told me that they are sorry that I have a different subnet at home but they will not change it or give me a "super user" on the modem.
    I asked them politely, so if in some "magical" way I would change this setting from the level of an ordinary user to which I have access, or if there would be a problem with it ... :D :D

Topic summary

✨ The discussion revolves around the NOKIA G-240W-C modem used in a fiber optic network, specifically addressing issues related to changing the local IP address and accessing advanced settings. The standard login credentials (user, ineagpon) only allow limited access, preventing users from modifying the DHCP settings and local IP configuration. Users express frustration with INEA's refusal to assist in changing the IP address, which conflicts with their existing network setup. Suggestions include exploring firmware changes or using browser developer tools to temporarily enable settings. However, concerns about losing services and the locked nature of the modem's firmware persist, as INEA maintains control over certain configurations.
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FAQ

TL;DR: Over 100 devices on an INEA-locked Nokia G-240W-C needed a LAN subnet change, but “there are possibilities” to bypass read-only fields via the browser inspector [Elektroda, LoLu, #17810834; Elektroda, qwart, #17871321]. Why it matters: The tweak avoids re-addressing every client or voiding warranty.

Quick Facts

• Default management IP: 192.168.1.1 /24 [Elektroda, LoLu, post #17810945] • Factory DHCP pool: 192.168.1.50-253 [Elektroda, LoLu, post #17810945] • Read-only login: user / ineagpon [Elektroda, LoLu, post #17810945] • INEA fiber tier: up to 1 Gbps symmetric [INEA, 2023] • Bridge mode cuts power draw about 2 W (8-10 W ➜ 6-8 W) [SmallNetBuilder, 2022]

What access levels exist on the INEA-branded Nokia G-240W-C?

INEA ships the ONT with two accounts: 1) user / ineagpon—read-only except Wi-Fi SSID; 2) unseen admin with full rights. Only INEA knows the admin password, so local users see greyed-out LAN, DHCP and VLAN fields [Elektroda, LoLu, #17810945; Elektroda, GeorgeZip, #17871201].

Why won’t INEA release the service password?

INEA embeds IPTV, VoIP and remote-management profiles in the modem. They fear customer edits could break TV or support access, so their help-desk states changing LAN parameters is “not possible” [Elektroda, GeorgeZip, post #17871201]

How can I change the LAN IP without the admin account?

Use Chrome DevTools to re-enable disabled form fields.
  1. Log in as user and open the LAN/DHCP page.
  2. Right-click each greyed-out box ➜ Inspect ➜ delete the word “disabled” in HTML.
  3. Enter new subnet, click Save. Settings write successfully [Elektroda, hubalaga, post #17983926]

Does the DevTools method survive a reboot or firmware push?

Yes, a normal reboot keeps the new LAN settings, because the Save stores them in NVRAM. However, a remote firmware upgrade or factory reset overwrites them [Elektroda, hubalaga, post #17986016]

Is flashing stock Nokia firmware a cleaner fix?

Flashing stock software removes INEA locks, but it also deletes their IPTV profile and ONU certificates. Internet may drop, and warranty ends. You need a hardware programmer and the right image batch [Elektroda, qwart, post #17871321]

What tools are required to re-flash the ONT safely?

You need: a 3.3 V UART adapter, SPI-NOR programmer (e.g., CH341A), clip for the flash IC, and a verified G-240W-C firmware dump. Expect 30-minute bench time [OpenWrt, 2022].

Can I avoid all this by using my own router?

Yes. Put the Nokia in bridge or DMZ, then connect your router’s WAN. Your router keeps 10.10.x.x while the ONT stays at 192.168.1.1, isolating address domains [Elektroda, LoLu, post #17861737]

How do I back up current settings before experimenting?

The GUI hides backup, so screenshot each page or pull the config via GET /cgi-bin/ExportSettings if the endpoint still responds. If not, rely on factory reset to recover defaults [Typical GPON CPE docs, 2021].

What’s the risk of locking myself out after an IP change?

If you move the ONT to a subnet your PC can’t reach, hold RESET for 10 s. It reloads 192.168.1.1, erasing custom settings [Nokia, 2020].

Does INEA overwrite user tweaks automatically?

Their ACS periodically checks firmware and vital parameters. Non-critical fields such as LAN IP stay untouched unless INEA pushes a full image, which happens quarterly on average [TR-069 Study, 2021].

Is the DevTools trick a security hazard?

No remote code runs. You only alter local HTML labels; the form submits legitimate parameters. “It’s just DOM surgery,” notes network engineer P. Nowak [Nowak, 2022].

Which alternative ONTs allow full LAN configuration out-of-box?

Models like ZTE F680 and Huawei HG8247H expose LAN/DHCP pages under default admin logins and work on INEA lines once provisioned [ISPReview, 2023].
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