Sagemcom F@ST 3864AC

Garbage – Foisted off on uneducated older people and technical unwary people by Optus! WHY? Because they can get away with it. I call it what it is. Customer abuse. Moved to Warrnambool to look after my elderly father. He has this piece if junk in the house. Sometimes you check a standard Ping 192.168.0.1 and the ms is either lost packets or in the… Read more

thousands. Erratic doesn't begin to describe the functionality of this crap. Useless for any type of UDP protocol. Optus should be fined for this by the ACCC.

Generally good, sometimes needs a restart – This modem came for free with my Optus cable internet connection and have been using for 12 months now. Overall, I'm pretty happy with it. I have not experienced dropouts, although I have had wifi speed drop to almost 0 a few times, requiring a restart of modem and router which fixed the issue.  Show details

Optus failed – We switch to NBN and optus is our internet provider, they supplied Sagemcom P/N 253795799 modem. This modem is crap, doesn't like to connect any Apple products, Optus technical team can't fix this issue. Show details

Rubbish router – Router works OK when it's working properly, but it gets slower and slower over the day. I have to reset it every day, so less than useless. Waiting for my TP Link router to arrive. Show details

Works fine most days – We’ve had Optus cable at our place for about 3 years now and currently onto our second Sagemcom F@st wireless router. The first one was super bad with frequent drop outs and randomly super slow wireless connections, it was replaced by Optus after enough complaints and all the tech could tell me was that it was “faulty”. The second one is this AC… Read more

uplifted model and has been running for 2 years now. It’s doing much better and definitely more stable but it still does have its brief infrequent moments running slower than it should or dropping out. Our place is a decent sized home, not huge, but we find the WiFi range very average at the best of times. It’s fine as a free home router and will support all our smart devices concurrently over wired and wireless but I don’t recommend anyone actually paying good money for it. There are much better options out there at affordable prices that will save you the drama’s.

Wow what happened to the Optus of old – Constant IP conflicts on different PC's, QNAP NAS won't connect. Can't set an IP address by MAC. Poor equipment. LOL Optus Help says buy my own router. Go elsewhere if you can!! Show details

Modem is average – - lack of connectivity, random spikes in pings, could possibly be due to the modem heating up - easy to setup, standard modem - lots of cables for households that requires connection and sufficient cables are supplied -Proof of purchase attached to this review, part of Optus bundle that i pay on a month to month basis Show details

Disgrace – To experience constant drop outs in this day and age is unacceptable. This modem takes you back to 90's technology. Stay well away from Optus and it's chosen modem it has caused us constant grief for 6 months and we have finally had enough! Show details

Sagemcom D@ST 3864 from Optus – So if you are thinking of switching to Optus or changing from a cable plan to NBN plan you will receive one of these routers, called a "Gateway" by Optus. Mine doesn't resemble the pictures on the Optus help site, so there may be different looks for the same model - either way it is a very basic unit. Remember, with NBN, the modem is the small… Read more

box that NBNCo install, this is then connected to the Sagemcom router / gateway. Aside from some very annoying connection issues from Optus and their very (I mean very very long) long wait times to get any phone or live chat support this unit seems to drop out regularly, i.e. no phone dial tone and/or no internet from time to time. Of course you only realize the phone is not working when you try to ring out (it is good however for reducing the junk calls you may get, because they can't get through either). If you are swapping from a cable plan, insist on NOT going on to a contract if you can, at least this will enable you to pull the pin on Optus and the inept Sagemcom router sooner if you wish. I don't really think this is an NBN problem although there are problems with the NBN like tech not showing up to connect / install the modem (mine was 90 minutes after the time slot allotted, my son had an NBN no show). The problem I think is the cheap Sagemcom router provided by Optus, there are much better alternatives out there, but remember, before you go out and buy a new router thinking it will cure your problems, it may not if you have a connected telephone line as these now require a SIP code which may be difficult to extract from Optus. I would seriously consider another provider with a better gateway / router option before rushing to Optus. It's a bit of a pity but our old Optus cable speed was quicker for downloads but not a quick as the new NBN setup for uploads, a possible benefit if you upload a lot of large files perhaps.

Frequent network dropouts & poor WiFi range – If you have signed up with Optus on your NBN network then chances are that you have received this modem (or router) as part of the deal. This modem looks good and is easy to setup. For me it was just plug and play.. no issues with setup. The web based interface is basic but sufficient for everyday use. However, beware .. this modem locks up… Read more

frequently and requires reboot quite frequently. In my case twice or three times a day. You do get full LAN and WiFi connection from the modem but not internet access when the unit locks up. So it seems that you are connected but can't access anything. Another problem with the unit is that the WiFi range is quite poor, in my case hardly few meters in the house.

Dont buy this – This modem is terrible. It has poor range and not worth the hassle of set up. I will be returning it and getting a better one that has better range. Show details

If I could give less than one star I would – A rubbish modem. Constantly have to reset it. Wifi a waste of time despite repeater. Asked Optus for a better grade of modem but they dont have one. Decided to replace it with a FRITZ! Show details

Really rubbished Modem not sure what to do with optus – So just for reference, I'm not a total newb and I am not just jumping on the bandwagon to bash this model or brand. First time I have heard of this brand Sagemcom I'm surprised Optus would go for a new brand instead of a well-named brand but all prejudices aside... let's get on with the review For this router model, overall I would say I strongly… Read more

dislike this router. Please continue to read on as to why:

1. I don't like it first of all as everyone else has pointed out you can't map static IP to a MAC address using the GUI, this means the modem or firmware was released without proper QA.... which gives you alot of assurance on other aspects of this hardware.... this is one of the most basic features most enthusiasts need to use. Lucky by googling you can find a webpage where a Legendary guy posts a workaround by entering code directly into the URL address bar (this actually works) which was quite satisfying but it shouldn't be like this. I can see alot of general pop without IT skills would not be able to do this.

2. First time I've switched to NBN not sure if the dropouts are from this router or this is how the NBN is meant to be? But yeah there's alot of dropouts at all times of the day.

3. Lastly, the biggest issue, this is driving me up the wall, the LAN ports where you plug in CAT5, 5e or CAT6 (ether) cabe of this router doesn't seem to work well. I mean the computer that connects to the LAN ports (there's 4 ports) have super slow internet and dropouts. This means you need to buy a wifi adaptor for a PC that's right next to the router?!?! wtf optus I'm not sure if others experienced this. This is the largest problem for me if you have a solution please email me: [contact details removed] I hope optus offers a newer model of router for free or pay to cover the cost of me having to buy a new rounter atleast or partly pay for one, I think that's a reasonable request. This modem isn't workable.

Piece of rubbish – I switched over to nbn in Oct 2017 on Optus and have had issues ever since with this piece of rubbish. When I complained to Optus their final solution was run it via ethernet directly into the router. That may work for the desktop but I have a number of devices I need to run with wifi. Problem is I need the landline and am locked in for another… Read more

8 months. As soon as that is up I am switching to another provider, or just scrapping the landline altogether and gettign my own router.

Sagecom 3864AC - Poor wi-fi – Have only just moved over to NBN and with it had to change to a free Sagecom router from Optus. Internet connection by ethernet to PC is OK, but the Wi-Fi by comparison is inconsistent to all of my devices, whether PC, laptop or mobile phone. None of this was a problem before I changed from a Netgear ADSL router. Past experience with free Optus routers has been negative, so not really surprised. Show details

bad WiFi not good for new comers – i thought it would be good but when i got it after 3 months of use it kept going slow and bad i would not recommend it for all time use but for part time use Show details

Bad wifi range and drop outs – Works fine a a wired lan router but I found my self having to restart the device once a week due to wifi dropping off. The wifi range is also not great but I could live with that if I didn't have to reboot the modem constantly. It was free from Optus so cant complain about the price.  Show details

Terrible Optus experience – This is a cheap nasty modem and it shows. Optus told me to buy a wifi booster, they will cover the charge because they know the modem is so low in quality. I have a 75mbps internet connection, but my 8mbps 4g connection feels faster. I have had to buy a power line adaptor because the wifi quality is low, my tablets have a terrible experience and the only devices that get any satisfaction is over Ethernet.  Show details

Not even good for a sea anchor – Received the Sagemcom as a replacement modem from Optus as the Netgear I had for several years died. Now it states on the documentation I received how 'easy it is to connect'. From the very start it had several issues, WIFI dropped out in a very short time and when talking to the great tech staff the connection dropped out also. Several hours… Read more

later and with the help of the Optus tech team and the reviews I had read I came to the conclusion this was never going to work. It did not respond to anything the Optus tech team have me change. Also you have to understand the WIFI is only rated to a distance of 5 to 9m. Even if the modem was installed centrally in a standard home the WIFI range is totally inadequate. When I was having issues with the WIFI I was standing right along side it. This particular unit failed on so many levels has raised my concerns about Optus and how a decision was made on such a poor piece of equipment to be offered to their clients. This is not a piece of equipment I could suggest to anyone.

Dont use optus nbn sagemcom – Just had the nbn installed start of december 2018. Regret having to continue with optus from adsl (perfect) to sh.t nbn. Supplied us with sagemcom router which have so many dropout issues in a day which have to be reseted manually.. cant change the router because i need the landline for the alarm.. cant open netflix sometimes during the day.. I would not recommend optus or sagemcom to anyone..  Show details

Poor WiFi – I got this from Optus as part of my NBN package and whilst some of the issues relate to the fact Optus has locked down many of the features. It has too many WiFi issues to be able to recommend it it for anyone to buy. WFi coverage is poor and devices constantly lose internet connection despite showing as connected, wired connections are fine so definitely wifi issues  Show details

Dropouts, can't connect to xbox live, no signal, no internet, chuck it in the bin, optus you suck – Title says it all really. Avoid if you want to keep your blood pressure. Optus sent me 2 of the same modem and both have the same issues. I have to reset my modem and xbox 3/4 times everytime i boost it up. The wifi signal is weak as p**s. My 5 year old BoB worked better. Constant dropouts. Optus customer service the worst in the world. I really can't say enough bad things about this pieace of garbage.  Show details

Slow – This modem is not very good in the sense where I at the moment have it slightly behind a particular wall and it doesn't seem to reach anywhere else in the house even if I put the antennas in different directions there's nothing you can actually do to make this thing work properly.  Show details

THIS IS THE BAD MODEM – No satisfied at all .OFTEN DROP OUT .Resetting everyday OPTUS just ignore as no problem at all because they dont want to spend money to replace it IF you want ti get rid of the modem ,simply get rid of OPTUS I have used internet for many year this is the worst modem  Show details

Pathetic range – This thing is fast when you are in the same room with it (300Mbps), once you got past a wall or walk past more than 5 meters the signal quality drops by half and bandwidth drops to less than 54Mbps. My venerable 802.11a/b/g route does better than this! I thought I was getting a decent upgrade at the price that Optus was offering this at but I guess they got the last laugh. This router is useless and a complete waste of space.  Show details

ABSOLUTE PIECE OF RUBBISH – this was a replacement modem useless from day one . keeps dropping ou ,restarting changing addresses on other devices so i have to keep changing settings. optus tech actually came today 29/10/18 and swapped it with the same. Have to use an extender for the tv even though it,s only 5 metres away . and can,t even get into the settings to make any… Read more

improvements. looks like i might need to get a different modem and ditch the phone,or keep the phone and change providers very disappointed.

Avoid at all costs, absolute garbage – When it's working it flies, which would be about 15 minutes every hour. As others have mentioned, there are a lot of issues: - speed drops to less than 1mbps regularly - connection often just drops, requiring restart - latency can be unbearable - connecting multiple devices over WiFi is almost impossible. (even leaving WiFi enabled with… Read more

nothing running on my Samsung S8 will cause my xbox (wired) ping to go from 9ms to 1,500ms)

Basically, it's unreliable and useless. Just get a $100 netgear instead.

Not so fast – Poor router slow wifi on 2.4 GHz channel. Poor signal and drop outs on the 5ghz . Get better wifi connecting a second router using eithernet and making it a access point. If you aren't getting this through internet plan choose anything else. I have NBN connection and the wifi on this router slows your speed down  Show details

Very hard to set up and constant slow speed even on nbn – Not very happy with our nbn provider giving us this modem as its been bad since we got it. We get speed around 2-4 mbs but have a speed of 40 nbn and it's actually been the modem slowing it down. Had two replacements the second did well at first but back to the same and the tec support is shocking  Show details