T-Mobile optical fiber - opinions

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#31 20804335 07 Nov 2023 20:16

IC_Current IC_Current

Network and Internet specialist

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Post #31
20804335 07 Nov 2023 20:16

@boruwadinho10
Badly wired, poor quality, damaged etc wires from router to host. Possibly dirty, bent, stressed contacts in the NIC. Alternatively, the NIC in the router or host is failing. All symptoms indicate that the link is not setting up at 1000Mbps but at 100Mbps.

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#32 20804923 08 Nov 2023 09:12

KOCUREK1970 KOCUREK1970

Network and Internet specialist

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Post #32
20804923 08 Nov 2023 09:12

boruwadinho10 wrote:
I've been bothering them for over a year to fix it for me, and they say everything is fine. No technician has been sent to check, and I don't know what to do. Does anyone have any ideas perhaps?
I don't know, maybe write a telecom complaint?
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#33 21836484 12 Feb 2026 09:43

lmira lmira

Level 2

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Post #33
21836484 12 Feb 2026 09:43

For me, T-Mobile is the worst company when it comes to internet. Since November, that is since signing the contract, problems with the internet. Several times during the day no internet access. After a phone call to the helpline, of course the problem is not with them, but with me. Do a pin test or disconnect all devices and the internet comes back. How many times in a day can you do this? No interest to resolve the problem.
I definitely do not recommend this company if you want stress free internet.
#34 21836632 12 Feb 2026 12:14

78db78 78db78

Level 43

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Post #34
21836632 12 Feb 2026 12:14

lmira wrote:
For me T-Mobile is the worst company,

In most cases Tmobile does not own the fibre, at my place after the Inea network I have Tmobile already 3 years and there was no net in total with 2 times at night some technical work and yes it works.
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#35 21836648 12 Feb 2026 12:38

lmira lmira

Level 2

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Post #35
21836648 12 Feb 2026 12:38

I unfortunately experience the lack of internet every day
I call almost every day and they ask to do a pin test 🙈
I regret very much that I signed a contract with them.
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#36 21836654 12 Feb 2026 12:40

KOCUREK1970 KOCUREK1970

Network and Internet specialist

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Post #36
21836654 12 Feb 2026 12:40

@lmira
Every day it is possible to call the family.
Complain in writing, point out the problem there, demand compensation and redress, terminate the contract due to the operator and go to another.
#37 21836681 12 Feb 2026 13:13

lmira lmira

Level 2

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Post #37
21836681 12 Feb 2026 13:13

And so I did . I am waiting for a reply from them
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Topic summary

The discussion revolves around user experiences with T-Mobile's optical fiber internet service compared to Orange. Users express mixed opinions on T-Mobile's routing quality, with some noting better performance than Orange, while others report issues with latency and packet loss, particularly related to connections with Level3 and Deutsche Telekom. Concerns about Wi-Fi coverage and router performance are prevalent, with recommendations to opt for premium routers due to poor range from standard models. Users also discuss the implications of private versus public IP addresses, NAT issues affecting gaming performance, and the potential for complaints to secure better equipment. Overall, while some users report satisfactory speeds and service, others highlight ongoing connectivity issues and dissatisfaction with customer support.
Summary generated by the language model.

FAQ

TL;DR: Users see up to 900 Mb/s wired and 860 Mb/s Wi-Fi, yet some report 90 Mb/s after upgrades; “T-Mobile has better routing in Poland” [Elektroda, floriders300, post #19266551] Pricing is ~PLN 550 cheaper than Orange for 24 months. Why it matters: Real-world data helps decide whether the discount offsets routing quirks and hardware limits.

Quick Facts

• Promo price: PLN 0 until 31 Dec 2021, then PLN 70–90 / mo depending on region [Elektroda, owsiaklg, post #19260029] • Peak LAN speed on 900/300 plan: 930–950 Mb/s down, 310 Mb/s up [Elektroda, bbartek93, post #19461527] • Typical Wi-Fi speed with Premium router: 450–500 Mb/s one room away [Elektroda, owsiaklg, post #19474091] • Ping to Frankfurt: 18–25 ms; Warsaw 25–30 ms [Elektroda, D3X7R0U5, post #20666392] • Private CG-NAT IP is default; one-time public IP possible via complaint, free so far [Elektroda, bbartek93, post #19474095]

Is T-Mobile fibre really faster than Orange in everyday use?

LAN tests show 930 Mb/s on T-Mobile vs. 700–800 Mb/s on Orange for the same 1 Gb link [Elektroda, bbartek93, post #19461527][Elektroda, owsiaklg, post #19260029] However, routing to Warsaw can add 5–10 ms compared with Orange [Elektroda, D3X7R0U5, post #20666392] Speeds during congested hours stay above 90 % of the nominal rate on 300 Mb/s lines [Elektroda, Martinoss, post #20601819]

What real-world speeds can I expect on the 900/300 Mb/s plan?

Wired: 880–950 Mb/s down, 290–310 Mb/s up [Elektroda, bbartek93, post #19461527] Wi-Fi 5: 450–600 Mb/s at one-room distance with Premium router [Elektroda, owsiaklg, post #19474091] Statistic: 90 % of tests on 300/300 plans exceed the advertised rate [Elektroda, Martinoss, post #20601819]

How strong is the Standard router’s Wi-Fi compared with the Premium model?

Standard: 70–140 Mb/s two rooms away in a 70 m² flat [Elektroda, owsiaklg, post #19271656] Premium: 450–500 Mb/s and two-floor coverage [Elektroda, D3X7R0U5, post #20666392] Quote: “This router has a poor range compared to the old Livebox” [Elektroda, 78db78, post #20659327]

Can I swap the Standard router for Premium at no cost?

Yes. File a service complaint citing Wi-Fi instability; Support has exchanged units without fees [Elektroda, bbartek93, post #19271712]

3-Step: How to request a free Premium router?

Run speed or coverage tests and save screenshots.
Call 602 960 200 or open the My T-Mobile app; file a ‘quality complaint’ referencing weak Wi-Fi.
Schedule courier swap; return the Standard unit on delivery [Elektroda, bbartek93, post #19271712]

Does T-Mobile give a public IPv4 address?

Default is private CG-NAT, causing ‘Strict NAT’ on consoles [Elektroda, owsiaklg, post #19474091] Users have obtained a free public IP after complaints; a paid option is planned [Elektroda, bbartek93, post #19474095]

Are the Vienna/Level 3 routing issues fixed in 2023?

Packet loss near Vienna reported in 2021 persisted for months [Elektroda, bbartek93, post #19461527] No similar reports in 2023 threads; pings to Frankfurt sit at 18–25 ms [Elektroda, D3X7R0U5, post #20666392]

How is gaming latency on popular titles?

CS:GO and Valorant in Warsaw: 25–30 ms; Frankfurt servers: 15–22 ms [Elektroda, D3X7R0U5, post #20666392] One expert said “good routes abroad, problems only on Level3 exchange” [Elektroda, bbartek93, post #19268368]

Can I use my own router or only an ONT from T-Mobile?

Community reports confirm you can request standalone ONT and bridge to your router [Elektroda, IC_Current, post #20678394] You lose T-Mobile app management and still need PPPoE credentials from support.

What should I check if speed drops to 90 Mb/s after an upgrade?

Edge-case: One user stuck at 90 Mb/s for a year due to 100 Mb NIC autonegotiating [Elektroda, boruwadinho10, post #20803490] Verify cable quality, NIC status LEDs, and link rate in OS; replace cables if link is 100 Mb [Elektroda, IC_Current, post #20804335]

How do I lodge a formal complaint about speed or routing?

Write to reklamacje@t-mobile.pl or by post, include contract number, test screenshots, and demand SLA compliance. T-Mobile must reply within 30 days under Polish Telecom Law [UKE, 2022].

Is saving PLN 500 over 2 years worth giving up Orange’s FunBox 6?

Savings: PLN 550 for 24 months on 900 Mb/s plan versus Orange [Elektroda, owsiaklg, post #19260029] FunBox 6 offers Wi-Fi 6 and built-in mesh; T-Mobile Premium has Wi-Fi 5 only [Elektroda, karambol123, post #19481359] Decide based on required Wi-Fi 6 and public IP needs.