Internet slow at 9 pm: how to prove congestion, and what to ask for
Speed complaints are won with data, not adjectives. The measurement method, the three fixes that hold, and the wording that gets a network referral.
Slow at midnight is a different fault from slow at nine. Congestion is time-shaped, load-shaped and identical for every device on the network; a local problem rarely cares what time it is. Establish which you have before requesting anything, because the ask differs: congestion gets a capacity or plan review, a local fault gets a technician.
Run the same wired test five times across day and night, screenshot it, and hand support the pattern. "It is slow" gets a restart script. "Every weeknight 21:00 to 23:30, wired, 12 of 100 Mbps" gets a referral.
Plan data checked against verified resources on 2026-09-12 20:27 UTC · verified search data for demand figures.
Real searches this guide answers
| Query | Searches/month | Difficulty |
|---|---|---|
| internet slow in uae | 390 | 16 |
From verified search-demand data. These are the phrasings this page is written to answer, not a tag cloud.
Internet slow at 9 pm - what decides it
QoS is underused. When one device saturates the link with a backup or a download, everything else queues behind it - calls break up, games stutter. Prioritising the desk or the console and scheduling big transfers overnight fixes more slow-line complaints than a visit does.
du internet slow: prove it before you change anything
Steps
- Test with a cable into the router, or stand next to it, at 20:00-23:00 - peak load is when promises break.
- Compare the number with the tier you pay for; 60-70% of a 500 Mbps fibre plan is normal over Wi-Fi, less than 20% is not.
- Check the device list - one phone updating or a laptop backing up can eat the whole pipe.
- Turn off "smart connect"/band steering if a gaming console or meeting laptop keeps landing on 2.4 GHz.
- If the wired test fails, run a speed test on the du app so the result lands in their system, then open the ticket with that reference.
q
q
q
This section is written to answer: slow; speed; buffer; ping; latency; peak.
Source: verified resources · full guide
Wi-Fi not working while the internet is fine
Steps
- Forget the network on the affected device, then re-enter the password on the sticker (case-sensitive, no trailing space).
- Reboot the router - the DHCP pool is the usual culprit when a device says "obtaining IP address" forever.
- Move the router out of the cabinet/metal box; vertical position, one metre up, away from the TV.
- If only 5 GHz fails, lock the SSIDs apart in the router settings so older laptops can use 2.4 GHz.
- Change the channel (1/6/11 on 2.4, DFS-free on 5) if neighbours are on the same one.
q
q
q
This section is written to answer: wifi; no wifi; cannot connect; connected no internet; ssid.
Source: verified resources · full guide
Guest Wi-Fi, IoT VLANs and smart-home safety
Steps
- Enable guest network with client isolation for visitors; keep the main SSID hidden from them.
- Put cameras/plugs on the 2.4 GHz IoT SSID and disable their cloud P2P if you do not use it.
- Change default camera passwords and update firmware; these are the usual entry point.
- For home offices, separate the work laptop onto its own SSID or VLAN.
- Turn off WPS on the router - it is a shortcut attackers use.
q
This section is written to answer: guest; iot; camera; security; vlan; wps.
Source: verified resources · full guide
Is du down right now?
Steps
- Check the du app status/support screen for a logged incident against your line.
- One neighbour plus one device failing = likely area issue; one device failing = local issue.
- Look for the same symptom in your building group chat or the public outage threads.
- Note the start time; credits are calculated from when the fault began, not when you called.
- Send us the area and the router lights and we will tell you whether it is already a known incident.
q
q
This section is written to answer: outage; down; is du; status; not working today.
Source: verified resources · full guide
How to run a speed test that du will accept
Steps
- Connect one device with an Ethernet cable directly to the router.
- Turn off VPN and any other heavy device on the network.
- Run the du app speed test (or a test that stores a result ID) three times: morning, 8pm, midnight.
- Screenshot the result IDs plus your account number before you open the ticket.
- If the wired figure is under half your tier at midnight, that is a line fault - request a technician visit with those IDs.
q
q
This section is written to answer: speed test; mbps; measure.
Source: verified resources · full guide
What it actually costs over the contract
| Plan | Monthly | Months | Total over term | |
|---|---|---|---|---|
| du Home Wireless Plus | AED 159 | 12 | AED 1,908 | Verify total |
| du Home Wireless Entertainment | AED 206 | 12 | AED 2,472 | Verify total |
| du Home Wireless Gaming | price rendered per address - we verify it live for you | Get my price | ||
| du Home Starter (Fibre) | AED 389 | 24 | AED 9,336 | Verify total |
| du Home Advanced (Fibre) | price rendered per address - we verify it live for you | Get my price | ||
| du Home Ultimate (Fibre) | price rendered per address - we verify it live for you | Get my price | ||
| du TV / TV packages | price rendered per address - we verify it live for you | Get my price | ||
| du Power Plans (postpaid) | AED 125 | 12 | AED 1,500 | Verify total |
| du prepaid (135 / Easy) | price rendered per address - we verify it live for you | Get my price | ||
Figures are arithmetic on the published tier price; they exclude installation, device instalments and any promo credit specific to your account. Confirm the number for your address before you sign.
Checklist before you contact support
- Five wired tests across day and evening, screenshotted
- Note whether wifi or ethernet was used for each
- Confirm no backup, cloud sync or download is running
- Enable QoS for the priority device
- Move large transfers outside peak hours
- Attach the table, not a paragraph, to the ticket
Mistakes that cost people money
- One speed test presented as a fault report
- Testing on a distant 2.4 GHz client and blaming the line
- Buying a mesh to fix congestion
- Paying for a higher tier without a peak-hour measurement
If you need to escalate
- Ask for a fault record and a reference number in writing, and ask what the committed resolution time is - then do not close the ticket when someone calls to say it is done.
- If the committed time passes, ask for a supervisor and for the written response, naming the missed commitment and requesting the credit schedule.
- Only then move to the formal complaint route with the whole thread attached. Regulators ask what the operator said, so the operator answer is your document.
- Take the evidence, not the adjective: one wired test at the time the fault happens, with the date and the figure, plus the indicator state. That is what changes the queue you are put in.
The same ladder is used for every network & speeds case on this site, because the order is what changes the outcome - not the words you happen to use.
What to send us on WhatsApp
For "Internet slow at 9 pm: how to prove congestion, and what" specifically, lead with the symptom and the address - the rest is context a reader of this guide already has.
- Your account number and whether you are inside a contract term
- A photo of the router lights, and your last bill if money is the question
- What is broken or what you want, in one line
- Your emirate and building/unit (not just the area name)
- Whether you are on fibre or a wireless unit, and the router model if you know it
Frequently asked questions
How should I test so the number counts?
Does a mesh system make the internet faster?
Will upgrading the plan fix it?
What if only one device is slow?
Adjacent cases worth ruling out
A surprising share of tickets are filed under the wrong symptom. Skim these before you commit to a diagnosis - each links to the full checklist.
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How this page was built
Plan names, prices and offer wording are read from verified resources, checked on 2026-09-12 20:27 UTC. Procedures follow the du Help Center articles named under each section. Demand figures - the search volumes in the tables - come from a licensed UAE search-demand dataset, which is where the "real searches" phrasings are taken from. Where a number depends on your address, your wall box or your contract start, the page says a quote is needed instead of estimating it. Nothing on this page is scraped from an aggregator or copied from another comparison site. Applied to Internet slow at 9 pm: how to prove congestion, and what to ask.
Where to check it yourself
- The operator's own plan and support pages - the text your order form was written from
These pages belong to the operator and the regulator - open them side by side with your own bill or app before acting on anything here.
Verify this yourself in two minutes
- Prices and inclusions: the operator's own plan page for your emirate, then the same figure on the order form you signed.
- Your line state: the My du app - Account > Services shows suspension, bar, data cap and contract end.
- Faults in your area: My du app > Support > Outage status, or 155 from a du mobile (free).
- Anything regulatory (billing disputes, escalation): TDRA - your complaint must cite the ticket number du gave you, dated.
If a number on this page and a number in your app disagree, the app wins - and we would like to know: WhatsApp us the screenshot and we correct the page.