[Q] International One X not receiving full HSPA+ speeds on AT&T - HTC One X

OK, since receiving my international One X a month ago, I've had the sneaking suspicion it isn't getting all the HSPA+ speed it otherwise could be. Today, I confirmed this.
Side by side with an LG 4X HD (P880), I compared data speeds between the two using the same APN settings (the "phone" APN), same network (AT&T), in the exact same location. I used the SpeedTest.net app around a half dozen times on each, and here are my results:
One X (int): 3.5-4.6Mbps down / 1-1.2Mbps up
4X HD: 7-10Mbps down / 1-1.3Mbps up
When I had the AT&T version of the One X (the S4 with LTE), HSPA+ speeds were in the same range as the 4X HD. Now that I have the international (Tegra 3) version, they seem capped at around 4.6Mbps (eg, like it's stuck on old HSPA 7.2). Thoughts? Suggestions? I'm really at a loss as to what's going on here.
I know the international One X is supposed to have HSPA+ 21Mbps, but it's clearly not getting it on AT&T.

If you want LTE speeds then you have to go for the One XL(snapdragon4) as the X (tegra3) does not support it

I dont think the international one x is HSPA+ compatible but only HSDPA complaint .So you wont get the full speeds on AT&T networks!

You can buy the HTC One XL from here:
http://www.mobi-city.co.uk/htc-one-xl-uk.html
It's unbranded so can use any SIM

rn9215 said:
I dont think the international one x is HSPA+ compatible but only HSDPA complaint .So you wont get the full speeds on AT&T networks!
Click to expand...
Click to collapse
What is the difference, exactly? The phone's specifications pretty clearly state it has a 21Mbps HSDPA modem. Why am I unable to access the full extent of the HSPA+ network, then?
Also, yes, to the other posters, I understand the One XL has LTE, this information does not in any way help me.

rdr0b11 said:
What is the difference, exactly? The phone's specifications pretty clearly state it has a 21Mbps HSDPA modem. Why am I unable to access the full extent of the HSPA+ network, then?
Also, yes, to the other posters, I understand the One XL has LTE, this information does not in any way help me.
Click to expand...
Click to collapse
If you are so smart and looks like you are smarter then everyone here, why do you post questions here?
Anyway, you can find the answer on this question on google, it is easy (i found it in 25sec.) ...
BTW, watch THIS

muamers said:
If you want LTE speeds then you have to go for the One XL(snapdragon4) as the X (tegra3) does not support it
Click to expand...
Click to collapse
He is talking about HSPA+ and not LTE.

I was wondering about this as well. I hadn't thoroughly tested it to be sure, but it always seems like I cap out around the upper 3s on my One X. I need to check it side by side with my Infuse in a place where I know there is good signal and my Infuse gets full HSPA+ speeds. The One X should be fully capable of getting full HSPA+ speeds from AT&T. I do seem to remember people posting speed tests of the international HOX on AT&T and getting 7 and 8 Mbps, so I always just assumed I didn't have good enough signal. What's the consensus from everyone else using an international HOX on AT&T?

AJerman said:
I was wondering about this as well. I hadn't thoroughly tested it to be sure, but it always seems like I cap out around the upper 3s on my One X. I need to check it side by side with my Infuse in a place where I know there is good signal and my Infuse gets full HSPA+ speeds. The One X should be fully capable of getting full HSPA+ speeds from AT&T. I do seem to remember people posting speed tests of the international HOX on AT&T and getting 7 and 8 Mbps, so I always just assumed I didn't have good enough signal. What's the consensus from everyone else using an international HOX on AT&T?
Click to expand...
Click to collapse
I vary often get around 6mbps on my ATT One X. The HSPA+ network is vary inconstant for me. I have gotten over 9mbps but Like I said, 6mbps is more common and 3 is not unheard of

Related

[Q] Does SG2 offer faster 4g than other phones?

I'm curious, haven't been able to find an answer by googling. I thought I remembered the guy in the TMO store saying that one of the features of the SG2 is that it is capable of higher data speeds. What I'm not sure of, is whether he was talking about TMO's 4G network in general, or the specific capabilities of the SG2 to achieve higher speeds.
For example, would I be able to attain higher 4G speeds on the SG2 than I would on my old Mytouch 4G if the signal strength were equal?
yes
the SGS2 & HTC Amaze run on the HSPA 42 when I think all other run on the 14 or 21...I forget the exact number
JaY iZz BaKk said:
yes
the SGS2 & HTC Amaze run on the HSPA 42 when I think all other run on the 14 or 21...I forget the exact number
Click to expand...
Click to collapse
Right, that sounds familiar. So the older phones aren't capable of reaching the faster speeds; so even if TMO's 4G (or H or whatever you want to call it) network improves, older phones won't be able to utilize the speed bump...I'm trying to decide whether or not to keep the phone and that's a pretty good incentive right there.
sunsean said:
Right, that sounds familiar. So the older phones aren't capable of reaching the faster speeds; so even if TMO's 4G (or H or whatever you want to call it) network improves, older phones won't be able to utilize the speed bump...I'm trying to decide whether or not to keep the phone and that's a pretty good incentive right there.
Click to expand...
Click to collapse
Unlike lte and wimax. Hspa+ affects all 3 capable devices though not much you do get a slight increase in 3g speeds. Since Hspa + is just upgraded 3g.
Sent from my SGH-T989 using xda premium
it really comes down to which area you are using your data on, the phone is able to go max 42 Mbps
but there's no network in the world, at this time, that can really provide the full speed
even LTE can hardly provide what it advertises
so people get horrible LTE speed, some get great speed, same goes with 4G devices some people can get really fast, some other can only get average

Unlocked HTC One X performance in USA?

Are any of you using the unlocked HTC one x on AT&T in the USA? If so, what kind of speeds are you getting? Did you have to manually set everything up, or did you just pop in your sim card?
I hate it when companies do this.
The HTC One X on AT&T: http://www.htc.com/us/products/htconex-att is the HTC One XL everywhere else. Please go to the XL forum for more details.
BenPope said:
I hate it when companies do this.
The HTC One X on AT&T: http://www.htc.com/us/products/htconex-att is the HTC One XL everywhere else. Please go to the XL forum for more details.
Click to expand...
Click to collapse
What in the world does that even have to do with my question? I know the difference between the two.
I'm asking how the unlocked international version (quad core) performs on AT&T in the USA.
brian85 said:
Are any of you using the unlocked HTC one x on AT&T in the USA? If so, what kind of speeds are you getting? Did you have to manually set everything up, or did you just pop in your sim card?
Click to expand...
Click to collapse
I haven't done a speed test, but I will and post back the results. As far as setup goes, just pop in your SIM, choose ATT as the provider in setup and you're all set.
brian85 said:
I'm asking how the unlocked international version (quad core) performs on AT&T in the USA.
Click to expand...
Click to collapse
It performs fine; same as my i9100. I'm on the data for non-smartphones plan and it picked up the APN settings from the SIM. I had a micro-SIM that was never activated so had my Premier rep activate it and it works fine. I'm in a non-HSPA+ area and get about 2-3MB down. I'd expect to get 7-8MB down in HSPA+ markets as that's what I was seeing in less congested metro areas with the SGS2. MMS works with the stock APN settings which is more than I can say for the SGS2.
I thought 3g WAS hspa+ for at&t wherever they had 3g coverage? And if not, it would go to edge speeds which are very slow.
Basically, shouldn't you be getting 5-10mbps or less than 1mbps (edge) and no where in between?
brian85 said:
I thought 3g WAS hspa+ for at&t wherever they had 3g coverage? And if not, it would go to edge speeds which are very slow.
Basically, shouldn't you be getting 5-10mbps or less than 1mbps (edge) and no where in between?
Click to expand...
Click to collapse
Huh? Other than true LTE, everything is 3G. EDGE and GRPS (which are 2G) are what get you 1MB down (if you're lucky). HSPA+ is evolved 3G with theoretical tops speeds of 42MBs down. The One X and SGS2 are capable of a max 21MBs down. AT&T and T-Mobile in their infinite wisdom started marketing HSPA+ (evolved 3G) as 4G which now has everyone in the U.S. confused. Not all AT&T markets have had their backhaul upgraded to HSPA+. I'm in one of them.
http://en.wikipedia.org/wiki/Evolved_HSPA
I just ran some tests and I'm consistently getting 3-4Mbps up. The download part of the test isn't working now for some reason, but overall speed has been just fine.
bugsy said:
I just ran some tests and I'm consistently getting 3-4Mbps up. The download part of the test isn't working now for some reason, but overall speed has been just fine.
Click to expand...
Click to collapse
hi.. where can i run these tests?
.
Closed, post in the proper section

International One X and HSPA+

Can't seem so find any proper information so yeah.
Apparently, based on specs listed on multiple sites, the international One X(Endeavoru) has HSPA+ at 21mbps or something.
However, it would seems that we only have HSDPA on our phones? I only seem to be getting "H" and not "H+". Is this an issue related to my carrier or does the One X actually not have HSPA+?
Can anyone shed some light?
Oops posted this in the wrong section >< sorry all!
International one X is Hspa which has up to 21mbps download and 5.76 upload speed. Hspa+ is I think only available in the USA. Not really sure though on what speed.
Edit: you should have posted this in q and a so many people can answer you
Sent from my HTC One X using Tapatalk 2
I own an International One X. It indeed supports HSPA+. In the US where its promoted as "4G" (not "4G LTE") I get about 5 Mbps.
In Germany the HSPA+ has up to 42,2 Mbps. My contract gives me up to 21,6 Mbps down and 5,8 Mbps up. In reality I get about 19 Mbps and 5 Mbps. It really depends on the time and location.
Since this beats actual 4G LTE speeds in the US I'm quite happy. If I just could get those 42,2 Mbps.. :silly:
It's supports it but doesn't have a H+ sign use speed test to confirm if your using H+
Sent from my HTC One X using XDA
Oh I see. Thanks everyone!
Sent from my HTC One X

Can we use AT&T 4G LTE on these? Is the radio physically there?

I'm debating between the T-Mobile and AT&T versions of the SG3. I'm currently planning on using a prepaid T-Mobile service but I can see myself in the future possibly switching to a postpaid AT&T plan.
If I buy the AT&T version I will be stuck on EDGE when on the T-Mobile network. No one has gotten T-Mobile's HSPA+ or DC-HSPA+ to work on the AT&T version of the GS3.
If I buy the T-Mobile version I won't have the option of using AT&T 4G LTE if I choose to go AT&T in the future.
So: does the T-Mobile GS3 physically have the AT&T 4G LTE hardware, and could it be activated?
fuzzybabybunny said:
I'm debating between the T-Mobile and AT&T versions of the SG3. I'm currently planning on using a prepaid T-Mobile service but I can see myself in the future possibly switching to a postpaid AT&T plan.
If I buy the AT&T version I will be stuck on EDGE when on the T-Mobile network. No one has gotten T-Mobile's HSPA+ or DC-HSPA+ to work on the AT&T version of the GS3.
If I buy the T-Mobile version I won't have the option of using AT&T 4G LTE if I choose to go AT&T in the future.
So: does the T-Mobile GS3 physically have the AT&T 4G LTE hardware, and could it be activated?
Click to expand...
Click to collapse
I looked into the exact same thing before taking the plunge. Apparently, even though they have the same hardware, there is a trade off no matter which one you choose, so short answer is no. (But who knows,there are smarter people out there who may prove me wrong...)
I can tell you why I went with the T Mobile version if it will help with your decision...
1. TMo ver will work with HSPA on both TMO and ATT (As you pointed out, the ATT will only get EDGE on TMo)
2. I previously owned 2 LTE phones and battery life was horrible. Giving LTE up was not that difficult for me since the trade off was batt life
3. HSPA speeds are enough for my uses (You will rarely ever get advertised speeds with either HSPA or LTE)
Hey Cheez - FYI if you are the second post on a thread there is absolutely no reason to quote the whole first post. How could there possibly be any confusion about what you are replying to?
dkmdlb said:
Hey Cheez - FYI if you are the second post on a thread there is absolutely no reason to quote the whole first post. How could there possibly be any confusion about what you are replying to?
Click to expand...
Click to collapse
lol, well, between Cheez and I it might just be force of habit. Plus if the OP changes their original post the quote will contain the old post without the changes.
dkmdlb said:
Hey Cheez - FYI if you are the second post on a thread there is absolutely no reason to quote the whole first post. How could there possibly be any confusion about what you are replying to?
Click to expand...
Click to collapse
Infamous_Cheez said:
I looked into the exact same thing before taking the plunge. Apparently, even though they have the same hardware, there is a trade off no matter which one you choose, so short answer is no. (But who knows,there are smarter people out there who may prove me wrong...)
I can tell you why I went with the T Mobile version if it will help with your decision...
1. TMo ver will work with HSPA on both TMO and ATT (As you pointed out, the ATT will only get EDGE on TMo)
2. I previously owned 2 LTE phones and battery life was horrible. Giving LTE up was not that difficult for me since the trade off was batt life
3. HSPA speeds are enough for my uses (You will rarely ever get advertised speeds with either HSPA or LTE)
Click to expand...
Click to collapse
Got it. Thanks. Even if I go with AT&T I might not even want to use their 4G network since it hogs battery so much? I've currently got T-Mobile and the fastest I've ever been able to clock is a measly 5mbps. A far cry from even the "slow" 21mbps speed that HSPA+ advertises.
dkmdlb said:
Hey Cheez - FYI if you are the second post on a thread there is absolutely no reason to quote the whole first post. How could there possibly be any confusion about what you are replying to?
Click to expand...
Click to collapse
Definitely force of habit on my part
fuzzybabybunny said:
Got it. Thanks. Even if I go with AT&T I might not even want to use their 4G network since it hogs battery so much? I've currently got T-Mobile and the fastest I've ever been able to clock is a measly 5mbps. A far cry from even the "slow" 21mbps speed that HSPA+ advertises.
Click to expand...
Click to collapse
Also, ATT may or may not have LTE lit up in your area yet. You may be waiting for a while. I had an HTC Thunderbold and a Galaxy Nexus on VZW for a few years and it was only towards the last 3 months of my VZW service that I began to get LTE lol HSPA is much more widespread as of right now on ATT
My GF has the hox and at the house I have faster speeds than she does hspa+ 42 is pretty damn fast
Sent from my SGH-T999 using xda premium
md1008 said:
My GF has the hox and at the house I have faster speeds than she does hspa+ 42 is pretty damn fast
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
What kind of speeds are you getting with hspa+42?
All depends on where I am at my high is 23 mbps. My average is around 6mbps. Basically it varies a lot really hard to give you an average
Sent from my SGH-T999 using xda premium

Terrible LTE Connection

Hey guys.
I posted this on another forum, but I wanted to see if you guys had anymore input.
I have a HTC One M8 on Tmobile, flashed with Viper rom and fully updated. Ever since day one I've had pretty terrible LTE in my home. The phone would constantly switch over to HSPA+ and I would have to force it to connect to LTE. When connected to LTE it shows anywhere from 3-5 bars of signal and various apps show between -100 and -110 dbm.
Speed tests are horrific. I am showing 3Mbps down and average of 2.5 Mbps up. Other parts of my home get slightly better, but it never tops 10 down and 6 up.
Today my Nexus 7 from Tmobile arrived today. With a new data plan from Tmobile. This tablet is able to get 17 down and almost 12 upload literally sitting right next to my phone. The same apps are showing similar DBM and they are both connected to the same tower.
Any idea why this might be? Differences in the radio? Problem with my account?
My phone is on a grandfathered 20$ unlimited 4G, and the Tablet is on the free 1GB LTE plan.
Also, the phone was able to get 40-50 down and 20 up when I traveled to another town the other night.
Any input is appreciated.
ThackSS said:
Hey guys.
I posted this on another forum, but I wanted to see if you guys had anymore input.
I have a HTC One M8 on Tmobile, flashed with Viper rom and fully updated. Ever since day one I've had pretty terrible LTE in my home. The phone would constantly switch over to HSPA+ and I would have to force it to connect to LTE. When connected to LTE it shows anywhere from 3-5 bars of signal and various apps show between -100 and -110 dbm.
Speed tests are horrific. I am showing 3Mbps down and average of 2.5 Mbps up. Other parts of my home get slightly better, but it never tops 10 down and 6 up.
Today my Nexus 7 from Tmobile arrived today. With a new data plan from Tmobile. This tablet is able to get 17 down and almost 12 upload literally sitting right next to my phone. The same apps are showing similar DBM and they are both connected to the same tower.
Any idea why this might be? Differences in the radio? Problem with my account?
My phone is on a grandfathered 20$ unlimited 4G, and the Tablet is on the free 1GB LTE plan.
Also, the phone was able to get 40-50 down and 20 up when I traveled to another town the other night.
Any input is appreciated.
Click to expand...
Click to collapse
I would guess a bigger/better antenna in the Nexus 7 as one of the possible culprits. Also, the Nexus has been around longer, so the radio firmware is a little more mature. The M8 may get better with radio/firmware revisions, but there's no way to know for sure. I would call T-Mobile and ask for a signal booster and see if that helps. They're free save for a 7 dollar shipping charge, and sometimes you can get that waived as well.
ThackSS said:
Hey guys.
I posted this on another forum, but I wanted to see if you guys had anymore input.
I have a HTC One M8 on Tmobile, flashed with Viper rom and fully updated. Ever since day one I've had pretty terrible LTE in my home. The phone would constantly switch over to HSPA+ and I would have to force it to connect to LTE. When connected to LTE it shows anywhere from 3-5 bars of signal and various apps show between -100 and -110 dbm.
Speed tests are horrific. I am showing 3Mbps down and average of 2.5 Mbps up. Other parts of my home get slightly better, but it never tops 10 down and 6 up.
Today my Nexus 7 from Tmobile arrived today. With a new data plan from Tmobile. This tablet is able to get 17 down and almost 12 upload literally sitting right next to my phone. The same apps are showing similar DBM and they are both connected to the same tower.
Any idea why this might be? Differences in the radio? Problem with my account?
My phone is on a grandfathered 20$ unlimited 4G, and the Tablet is on the free 1GB LTE plan.
Also, the phone was able to get 40-50 down and 20 up when I traveled to another town the other night.
Any input is appreciated.
Click to expand...
Click to collapse
T-mobile Rep told me that M8 is lacking one of the LTE bands. I decided to try it anyways. I experienced same issues as you are. I will be returning this phone only because of connectivity issues, other than that I really like this phone.
My current phone is Nexus 5, and I never had any connectivity issues that I am having with M8.
ThackSS said:
Hey guys.
I posted this on another forum, but I wanted to see if you guys had anymore input.
I have a HTC One M8 on Tmobile, flashed with Viper rom and fully updated. Ever since day one I've had pretty terrible LTE in my home. The phone would constantly switch over to HSPA+ and I would have to force it to connect to LTE. When connected to LTE it shows anywhere from 3-5 bars of signal and various apps show between -100 and -110 dbm.
Speed tests are horrific. I am showing 3Mbps down and average of 2.5 Mbps up. Other parts of my home get slightly better, but it never tops 10 down and 6 up.
Today my Nexus 7 from Tmobile arrived today. With a new data plan from Tmobile. This tablet is able to get 17 down and almost 12 upload literally sitting right next to my phone. The same apps are showing similar DBM and they are both connected to the same tower.
Any idea why this might be? Differences in the radio? Problem with my account?
My phone is on a grandfathered 20$ unlimited 4G, and the Tablet is on the free 1GB LTE plan.
Also, the phone was able to get 40-50 down and 20 up when I traveled to another town the other night.
Any input is appreciated.
Click to expand...
Click to collapse
its not the phone, its the tmobile rom & radio....
i used to have htc one m7 AT&T and i installed tmobile stock ruu on it. i experienced better signal (i have at&t service) talk & text, the bars went from 3 to full bars with tmobile rom. but the 4g lte sucks, it keep switching from 4g lte to 4g all the time.
now i bought HTC one m8 T-mobile from friend, and im having the same thing 4g lte sucks it keeps jumping to 4g. but the signal is full bars.
i tried my at&t sim card into another HTC one m8 at&t for few days, and the 4g lte is very good and stable. matter of fact i haven't see the 4g icon ever on it. but i have 2 to 3 bars signal inside the home and if lucky get 4 outside.
i believe because at&t radio support more bands
LTE 700 / 1700 / 2100 - T-Mobile
LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 - AT&T
---------- Post added at 02:37 AM ---------- Previous post was at 02:34 AM ----------
oh and don't try to flash just the radio, i have tried that and there is no different. it has to be the full stock RUU
salwansk said:
its not the phone, its the tmobile rom & radio....
i used to have htc one m7 AT&T and i installed tmobile stock ruu on it. i experienced better signal (i have at&t service) talk & text, the bars went from 3 to full bars with tmobile rom. but the 4g lte sucks, it keep switching from 4g lte to 4g all the time.
now i bought HTC one m8 T-mobile from friend, and im having the same thing 4g lte sucks it keeps jumping to 4g. but the signal is full bars.
i tried my at&t sim card into another HTC one m8 at&t for few days, and the 4g lte is very good and stable. matter of fact i haven't see the 4g icon ever on it. but i have 2 to 3 bars signal inside the home and if lucky get 4 outside.
i believe because at&t radio support more bands
LTE 700 / 1700 / 2100 - T-Mobile
LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 - AT&T
---------- Post added at 02:37 AM ---------- Previous post was at 02:34 AM ----------
oh and don't try to flash just the radio, i have tried that and there is no different. it has to be the full stock RUU
Click to expand...
Click to collapse
Thank you for your reply. Rep specifically said that it was a hardware issue.
My wife has M7 and she gets constant LTE on it.
Even when M8 has good LTE signal, speed test is so much slower comparing to M7 or Nexus 5.
To be honest, I use WIFI 98%. So you might be right, because I haven't install the AT&T RUU on my phone yet "not available". So I cant be 100% sure about it, but from my experience T-Mobile phones are cheaper quality anyway. Just like you buying a new car with basic options, not top loaded
I am stock not rooted and have had the T-MO HTC M8 for exactly one week today. I live in Miami, Fl and I might have seen the 4G icon 2 or 3 times in the last week. I'm always on 4G LTE.
HTC ONE M8
It's been 5 business days and I am still waiting to hear about the status of my tech support ticket sent to "engineering"
Not happy with this so far. The only way I can keep LTE is to force it via the radio menu and even then... the performance is literally 1/3rd of the Nexus 7 sitting right next to it.
Very disappointing. Not sure if its the phone.. the tower.. or what.
rome425 said:
Thank you for your reply. Rep specifically said that it was a hardware issue.
My wife has M7 and she gets constant LTE on it.
Even when M8 has good LTE signal, speed test is so much slower comparing to M7 or Nexus 5.
Click to expand...
Click to collapse
The rep lied to you. The m8 supports the exact same LTE bands as the m7, no more no less. It isn't a frequency or band support issue. Both devices support 700MHz and AWS Bands for LTE. If you can CONNECT with one you can CONNECT with the other.
The problem really seems to be t-mobile hasn't updated all their systems to work well with HTC's new radio firmware (I'm not referring to their refarming here). The solution would be HTC could revert the firmware or t-mobile could update their system. T Mobile does not seem keen to do that, likely do to using all their resources being used on Samsung at the moment.
They (T-Mobile) can't admit they share the blame for the problem so they pass the buck to HTC, but its not solely HTC's fault. The truth is it is only older network systems that are affected. So, areas like LA that have older systems and more traffic have problems, areas like Las Vegas where the system has been completely overhauled have no issues with LTE CONNECTIVITY at all.
I can attest to this personally as I was traveling to Los Angeles just last week. I could be sitting in the same spot and one minute have LTE connection with solid speeds and the next minute sit with no connection while still displaying a full LTE signal. This is because t-mobile's system wants to kick you down to a stronger signal, that being HSPA, but HTC's radio firmware wants to keep you on LTE. They are not playing nicely.
The reason why I'm stressing the words connect and connectivity is because that is what we are really talking about. Speeds are completely different issue. If you do not have support for a certain LTE band then you will not have any connectivity. Not just a slow speed and not just a bouncy connection, but no connection at all.
sources:
http://www.htc.com/us/smartphones/htc-one-m7/#/
http://www.htc.com/us/smartphones/htc-one-m8/
Not sure what it is, but I'm also having LTE issues...quite a few times I have to turn it on airplane mode then back off for it to reconnect. Speed test results are weak too.
Now the AT&T branded HTC One M7 I had before this FLEW...might have to return the M8 and go back to the M7 :crying:
I don't have any issues with mine and I drive all over L.A .
Sent from my HTC One_M8 using XDA F
mobile app
salwansk said:
its not the phone, its the tmobile rom & radio....
i used to have htc one m7 AT&T and i installed tmobile stock ruu on it. i experienced better signal (i have at&t service) talk & text, the bars went from 3 to full bars with tmobile rom. but the 4g lte sucks, it keep switching from 4g lte to 4g all the time.
now i bought HTC one m8 T-mobile from friend, and im having the same thing 4g lte sucks it keeps jumping to 4g. but the signal is full bars.
i tried my at&t sim card into another HTC one m8 at&t for few days, and the 4g lte is very good and stable. matter of fact i haven't see the 4g icon ever on it. but i have 2 to 3 bars signal inside the home and if lucky get 4 outside.
i believe because at&t radio support more bands
LTE 700 / 1700 / 2100 - T-Mobile
LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 - AT&T
---------- Post added at 02:37 AM ---------- Previous post was at 02:34 AM ----------
oh and don't try to flash just the radio, i have tried that and there is no different. it has to be the full stock RUU
Click to expand...
Click to collapse
That is Tmo's LTE bands. 1900 has been rolling out this year and 700 later this year. So you can't blame it on the missing the new band 2.
I'm sorry I missed something these are the Frequency
LTE 700 / 1700 / 2100 - T-Mobile
LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 - AT&T
The bands are
ATT uses or has spectrum for LTE bands:
2,4,5,17
While TMO only has spectrum for LTE bands:
2,4
Dunno what's going on in Philadelphia this past week but before I get no signal in my bathroom and my speed are around 18 down 12 up. But today I get good lte signals in my bathroom and my speed bump 35 down and 20 up.:thumbup:
Sent from my HTC One_M8 using Tapatalk 2

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