No LTE - Samsung Galaxy S9+ Questions & Answers

I got my phone in Israel and I think they sold me the Russian variant of the phone since I got a russian charger (an official one so I don't mind) and the only problem I have is that even tho it says on the settings that LTE is enabled I never got an LTE signal even tho my sister's note 5 gets LTE all the time and we're on the same carrier
Should I reach out to the store or is there a simple solution that does not require flashing a firmware and stuff?

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[Q] No LTE option in Network settings?

Hi folks,
I've got an unlocked HTC One Max which I bought SIM free from Amazon UK. I'm using Three as my network provider in the UK and they've begun rolling out 4G to Glasgow where I live. One of my colleagues is also on Three with a Samsung Galaxy S4 and he started picking up a 4G signal this morning in the office whereas I'm still only seeing 3G. We had a poke around on our respective phones and in the Mobile Network Settings under Network Mode he's got more options than I do, including one for LTE. I've only got two options: WCDMA only and GSM/WCDMA auto. Without being able to select an LTE option in here I don't see how I'm ever going to pick up a 4G signal. Does anyone know why I'm seeing no LTE option in here and how I go about sorting that?
Okay, so I did a live chat with an HTC rep who confirmed that if there's not LTE option available in the settings then I've got the 3G only variant of the handset. I've no idea why HTC would even sell a 3G variant in the UK as it makes no sense at all, but I looked on Amazon and they only sell a single variant of the phone (which is definitely the one I bought) and curiously the listing for it doesn't clarify either way which network protocols it supports. I even tried Googling the product number (99HWN005-00) but I can't find any solid information about which version of the phone that represents. I'm hoping here that it's just a mistake and I should've been sent the proper 4G variant but it's impossible to say for sure when the Amazon listing gives no info at all about what they think they're actually selling. Either way I'll still be trying to get Amazon to take some amount of responsibility here because I think I made a fair assumption that I'd be buying the 'proper' version of the phone from them; especially as there's nothing on their site to tell me otherwise. I suppose it'll be down to how seriously Amazon take customer service as to how far I get with them. God damn it!
Grrrr. So I did another live chat with HTC to try and find out more about which models they sell in the UK. The Amazon listing has a model number and I was hoping HTC would tell me that's the model number for the LTE variant so I could go back to Amazon to say they'd mis-sold me the wrong version. This time though I got a different story; the HTC rep told me my handset is definitely LTE capable and what options you see for networking are tied to what the SIM card is capable of. His assertion was that Three had given me a 3G only SIM card and getting that sorted would fix it.
However, I swapped SIM card with my colleague who's getting a 4G signal from Three and it made no difference on my handset; I still only got the same 3G network options and, of course, only got a 3G signal. It also occurs to me that I checked with another colleague this morning who's got an HTC One but only on a 3G contract with O2 and he's already got the LTE network options (although he only ever gets a 3G signal of course).
So, yeah, this second call to HTC was a load of nonsense. Excellent. Back for a third time I go...
Medulla said:
Grrrr. So I did another live chat with HTC to try and find out more about which models they sell in the UK. The Amazon listing has a model number and I was hoping HTC would tell me that's the model number for the LTE variant so I could go back to Amazon to say they'd mis-sold me the wrong version. This time though I got a different story; the HTC rep told me my handset is definitely LTE capable and what options you see for networking are tied to what the SIM card is capable of. His assertion was that Three had given me a 3G only SIM card and getting that sorted would fix it.
However, I swapped SIM card with my colleague who's getting a 4G signal from Three and it made no difference on my handset; I still only got the same 3G network options and, of course, only got a 3G signal. It also occurs to me that I checked with another colleague this morning who's got an HTC One but only on a 3G contract with O2 and he's already got the LTE network options (although he only ever gets a 3G signal of course).
So, yeah, this second call to HTC was a load of nonsense. Excellent. Back for a third time I go...
Click to expand...
Click to collapse
Perhaps the variant you purchased does not support the lte bands that your carrier is using. That's usually the difference between the variants....radio support.
Sent from my HTC6600LVW using Tapatalk
dottat said:
Perhaps the variant you purchased does not support the lte bands that your carrier is using. That's usually the difference between the variants....radio support.
Sent from my HTC6600LVW using Tapatalk
Click to expand...
Click to collapse
Even if that was the case I would still need to see the option in the settings to turn on LTE; I don't even have that option so regardless what bands my carrier is using my phone wouldn't pick up a 4G signal of any kind.
I've basically somehow ended up with a 3G only variant of the phone which frankly they shouldn't even be selling because there's no point. I might ping HTC again with a more direct question but they don't seem to be able to tell me what I've got so it's more likely I'll just go back to Amazon and see what they have to say about it.
Also I did a quick check and Three are using the 800 MHz band which the 4G version of the HTC One definitely supports.
Okay, so, I sort of got it fixed but it's a really stupid situation. There's a key code to get into a hidden setting menu on Android (*#*#4636#*#*) which bypasses the normal options and allows you to force the network mode to any of the ones Android itself supports; so it's got all sorts of weird **** like EVDO and whatever in there. I went in there and forced on 'LTE only' mode and now I can pick up 4G if I stand in certain parts of the office. I've put it to 'GSM/WCDMA/LTE auto' and it should now go up to 4G whenever it gets a strong enough signal and work as it should. Why I've had to do that hack to get it working, and why the normal user level UI doesn't expose the LTE related options, is a ****ing mystery though. With KitKat rolling out that might might sort it but I shouldn't need an OS update to expose functionality the hardware's already capable of. It's really ****ing stupid all in and not doing HTC's rep any favours with me as I'll probably have to repeat the same stupid hack every time I reboot the phone.

No 4G

Hi All:
I have three Z3v phones. One I toasted trying to flash a rom not meant for the Z3v. One is rooted (bought it that way) the other is unmolested. I was trying to install Marshmallow on the burnt one after rooting it myself. The unrooted phone I left alone after that experience. Recently Sony started to support this phone and I was able to use their utility to update it to Lollipop.
Before the update neither working phone would get me a 4G signal at the house. I chalked that up to location BUT after the update, 4G works great! I went to the service menu and saw that the supported bands are different, namely the LTE bands. I do not want to unroot the rooted phone I love not having all that Verizon crap! Is there a way to add bands or change whatever in the rom to add the needed LTE bands?

Data Connection Partially Lost on Unlocked Sprint M9 after Official Nougat Update

Hi all, sim unlocked s-off sprint m9 used to work well on android 6 with official rom. But until the phone was upgraded to Android 7. Data connection stopped working for one operator (NOS in Portugal). However Vodafone works well.
Tried different roms and apn settings, same at all. Data connection does not work on NOS operator.
Does anyone have similar issue and of course any advices?
Thank you all.
redoano said:
Hi all, sim unlocked s-off sprint m9 used to work well on android 6 with official rom. But until the phone was upgraded to Android 7. Data connection stopped working for one operator (NOS in Portugal). However Vodafone works well.
Tried different roms and apn settings, same at all. Data connection does not work on NOS operator.
Does anyone have similar issue and of course any advices?
Thank you all.
Click to expand...
Click to collapse
Why sim unlock a Sprint variant and not an AT&T or T-Mobile which already support GSM?
did you find a solution?
i have exact same issue.
bought one m9 from ebay with sprint (651) firmware on.
lte was working fine in israel (1800 2100).
after nougat im only getting 3g.
it makes sense that i cant use those bands (1 and 3 i think) on a sprint device.. but it did work with marshmallow
Same problem in the USA
I have (nearly) the same problem in the United States with a Sprint CDMA version of the One M9. The main difference is that my data speed is even worse than 3G, around 10-20 Kbps. Occasionally, I get faster speeds, but I haven't been able to figure out if it is location-specific (but always away from home and work) or due to some other characteristic.
The phone came brand new in a retail box from an eBay seller. It worked as expected for 1.7 years. The OTA update which installed Android 7 (aka Nougat) in early 2017 resulted in the very slow data speeds. WiFi is unaffected, but data is so slow that I cannot reliably send or receive MMS; Google Maps says that I do not even have a data connection for traffic info.
EcoMobile (my MVNO provider; I still have a sprint email address, so I know who is actually providing service) could only suggest resetting my phone; did this twice with no change in operation (but several of the programs which automatically re-installed themselves operated differently, including GMail no longer providing auto-complete for addresses).
After literally 2 hours in chat with htc, they told me that my MEID indicates my phone was "made in Taiwan". I took this to mean that: 1) the person I was chatting with had poor English skills (because aren't they all made in Taiwan?), and 2) my phone is gray market (meaning it was not imported into the country via official channels, even though the manual was in the American version of English).
I came to XDA looking for an answer, too. I was mildly surprised to see that this topic was at the top of the list for the One M9.
The best solution for my situation would be the proper ROM for my phone, but I don't know how to figure that out from the MEID. htc USA says they cannot help me with this.
I could even go back to Android 6, but I do rather like the new features in Nougat.
Alternatively, I could root the phone and install a 3rd party ROM, but I still need to know how to choose the proper one for my phone.
I hope this info finds its way to a helpful expert.
Regards,
Jeff

Bought a new US S9+ 256gb Unlocked and TMobile LTE is Slow/No Connection.

Hi all, I just bought a new Samsung S9 plus 256gb US version unlocked from Samsung's website and I have TMobiles unlimited one plan. The Sim card I got was in my old ZTE Blade V8 Pro unlocked (you can probably guess why I bought a new phone). After putting the SIM card in the new phone for about a few hours it was a night and day difference where places I tested my LTE speed was 30mbs verses 6-8 on the old phone and the internet loaded quicker.
However, later in the day I started getting no connection or slow speeds and sometimes got edge+ connections in places where even my crappy V8 Pro would get connections. I called TMobile and gave them my phone's emei number and the Sim number that I used. At first it worked better but I still get less bars of reception and there are times when it takes a while for a LTE connection when there is no wifi. I even get LTE+ and it will still load some things like twitch streaming slow.
Someone suggested flashing TMobile firmware to the phone to try help connecting to their network like their branded phone's, but I have no idea what file to download for TMobile firmware for Odin to flash. Also, would it help to get updates from TMobile faster? People who have a TMobile sold S9+ are getting the new delayed update but my unlocked phone isn't. Thanks for your time.
I can say with a great deal of confidence that flipping firmware will not resolve this problem. It sounds like a hardware issue to me.

Help? Why is the operator list shown without modes (2g / 3g / 4g)?

Hi dear community,
I recently purchased a Samsung Galaxy Note 20 5G and wanted to check out, where I can see the different modes and if 5G networks are available.
Well, in fact that I'm a geek with frequencies and stuff, I was happily surprised, that actual phones show the operators and the mode. In Germany I've got 3 Operators (T-Mobile, Vodafone and o2) and we can see them each 3 times (e.g. o2 2G / o2 3G / o2 4G and so on) on actual phones. But with the new Galaxy Note 20 5G I can't I can only see the 3 without the modes.
Is it possible (perhaps with root, what I already wanted to perform) to change some settings in the build.prop or somewhere else, to activate that? Or do 5G phones don't have this feature anymore? The Device had Android 10 and I upgraded to 11. Still nothing. It was delivered with spanish Vodafone software (I still don't get it why) and even the update with the neutral software from Germany, didn't changed anything. Even the spanish Vodafone software and the welcome screen in spanish after resetting the phone didn't disappeared. I don't want to send this phone back, Can anyone help me please?
Please excuse my grammatical issues.
with googel controls now in effect slot of stuff that was once accomplished previously are now not. so I would likely is reason for no response, even though I am rooted on tmoble with 20 ultra (thanks dev team!) . I will be going back to using the 10+ because of this kinda stuff until scoped storage is hacked by a talented person.
as for your question, I am not sure exactly what your thoughts are, although I can only say that for tmoble pretty much always been it's a since 4g came out a scam to show only 4g,lte/hsp+ or whatever it is when the service is actually ¹g or 2g at best, here is a screenshot of the scam taken by myself showing 5G (LOL) when it in REALITY is so weak, my old KitKat s3 was faster. this kinda stuff happens all day long. t-mobiles ultra fast 5g network is actually a lie and is just enough speed it make browsing data work and designed to get to logged in to your wifi asap. because even with 10mbs download you actually have none when your upload is. 0.27 and according to their 'network specialists " I called that's within minimum the 5g range

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