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Hi guys,
I can't seem to get a stable 4G connection on my Epic 4G for some reason. When I toggle the "4G" to "ON", it would connect for a split second and immediately Disconnects and tries to connect again and again. My friend tested his phone (Nexus S 4G) and he connects just fine with data speed of 3,000kbps on Speedtest compared to my miserable 600-700kbps. I've also tried testing this in several different areas including major cities that supposedly cover "4G" and it does the same
I'm currently running SRF 1.2 ROM on Genocide 2.0 Kernel but I believe this issue was present even before rooting my phone. I also tried using different modems (EB13, EC05, EE03, EF02, EG22, EH17) but it made almost no difference to my 4G connection.
Does anyone have any suggestion on this??? I would really like to experience my 4G connection on my supposed 4G phone.
I have the same set up as you, and the same spotty 4g. Sometimes it's very hard to keep a stable 4g connection even in areas where I know 4g has been strong. It disconnects, or it pretends that it is connected but data really isn't going through.
Though, 4g is kinda new to my area and there are rumors that it's still in testing phases. Also, I don't have any input from other 4g users here. So in the end I'm not sure if its just my epic, or if there are wider issues.
Sent from a secret underground bunker
Strong 4g signal
I am also running SFR 1.2 and I get very strong/stable 4g speeds. I live in Chicago (Sprint 4g has been here for a while), and I get 3-4Mbps in my apartment on 4g. This is enough to do things like play Xbox Live or Skype using my 4g. I have noticed that while traveling on trains in the area the connection tends to go on and off, but I would say that overall, I usually have a great connection.
This may just be in your area, where are you located?
mjben said:
I have the same set up as you, and the same spotty 4g. Sometimes it's very hard to keep a stable 4g connection even in areas where I know 4g has been strong. It disconnects, or it pretends that it is connected but data really isn't going through.
Though, 4g is kinda new to my area and there are rumors that it's still in testing phases. Also, I don't have any input from other 4g users here. So in the end I'm not sure if its just my epic, or if there are wider issues.
Sent from a secret underground bunker
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Click to collapse
I have the same issues, even though the Sprint coverage map shows I should be able to get 4G inside my house.
After researching, what I have found is you must find the nearest Sprint tower that has 4G, hold your left hand directly on the control board of the tower, and while placing your right big toe directly on the battery of your phone (must be the right big toe, the left big toe will not carry current correctly), you must complete the following key sequence on the dialer (###WTF***4G###***). Only then will you receive a 4G signal. Now be aware this will only enable the signal to last for 15 seconds. If you need more time that that, you must repeat the process. Oh...and By the way...This will only get you 1 bar of 4G service. I will be working on a detailed guide for 2 bars. There is no known method to actually get 3 bars of 4G service!!
Sorry, but this is a good of an explanation as anyone from Sprint has given me.
You may now return to your normally weak 3G Sprint signal.
Goodroid said:
Hi guys,
I can't seem to get a stable 4G connection on my Epic 4G for some reason. When I toggle the "4G" to "ON", it would connect for a split second and immediately Disconnects and tries to connect again and again. My friend tested his phone (Nexus S 4G) and he connects just fine with data speed of 3,000kbps on Speedtest compared to my miserable 600-700kbps. I've also tried testing this in several different areas including major cities that supposedly cover "4G" and it does the same
I'm currently running SRF 1.2 ROM on Genocide 2.0 Kernel but I believe this issue was present even before rooting my phone. I also tried using different modems (EB13, EC05, EE03, EF02, EG22, EH17) but it made almost no difference to my 4G connection.
Does anyone have any suggestion on this??? I would really like to experience my 4G connection on my supposed 4G phone.
Click to expand...
Click to collapse
Whts your location cause I am having the sam exact problems with my epic and evo!
Sent from my SPH-D700 using XDA App
I've noticed spotty and inconsistent data/service on my phone. Even with full bars I get data speeds like shown in the attachments. When using the phone it will sometimes say I have no data connection and ask me to retry. I retry a few times and it finally loads whatever it is I'm loading. I've also noticed that my phone sometimes gets a little warm while in use. I've tried different modems with the same results and I'm about ready to just take it to the sprint store and get it swapped. Any suggestions on what might fix it? I can confirm that it is something with my phone because I've run side by side speed tests with my friends OG epic and their speeds are normal. Any help would be greatly appreciated.
Sent from my SPH-D710 using XDA
Make sure you have the HA/AAA passwords and also i figured out that in QPST in the PPP tab then click Um make sure the user ID and tether NAI are both Nulled
Dallinzzz said:
I've noticed spotty and inconsistent data/service on my phone. Even with full bars I get data speeds like shown in the attachments. When using the phone it will sometimes say I have no data connection and ask me to retry. I retry a few times and it finally loads whatever it is I'm loading. I've also noticed that my phone sometimes gets a little warm while in use. I've tried different modems with the same results and I'm about ready to just take it to the sprint store and get it swapped. Any suggestions on what might fix it? I can confirm that it is something with my phone because I've run side by side speed tests with my friends OG epic and their speeds are normal. Any help would be greatly appreciated.
Sent from my SPH-D710 using XDA
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Click to collapse
Thats about what I get too. Its a combo of this phone and Sprints crappy network! My evo got better speeds as well.
I am getting the same thing too. Funny thing is that it just started being this way recently, it wasn't always slow. It is not just the data speeds, I am getting no service in places where I used to get service.
I have been seriously thinking about switching carriers and moving to t-mobile but a little afraid because I have been with sprint forever.
If something don't change by the end of the month, sprint may be losing another customer since the GSIII is on ALL carriers.
I am in Raleigh/Durham NC by the way.
I agree... it didn't feel so bad until I got my ET4G, but I just figured it was a network issue. I'm trying the EL29 modem on my Calks 1.6 now. If anything I'll try going fully stock and see if that helps.
Welcome to the Sprint network
Some people are experiencing network issues in places where Sprint is upgrading to LTE. I don't know how far-reaching the effects are but could possibly have something to do with it.
Sent from my Epic 4G Touch
slickrichierich said:
Make sure you have the HA/AAA passwords and also i figured out that in QPST in the PPP tab then click Um make sure the user ID and tether NAI are both Nulled
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Click to collapse
lol wtf
Yes, I notice the same thing lately with Sprint Wimax, I may have to dumb Sprint later. Sprint data speed gradually slows down from time to time, some area, Sprint shows only 1X, I look at friends' phones with Verizon, ATT and Tmobile, they have very good speed. My brother has Verizon LTE phone, I speedtested at the same location, he got like 17mbps download and upload is about 15mbps, mine is 1X speed. Suck, I gonna say goodbye to Sprint later.
Welcome to the Sprint network with the New iPhone4s d-bags. Seems like things were great till they showed up. Even my Evo got slower.
data
Maybe your phone is stuck in 1x..
What i do is i go into debug (##debug# in dialer) and i go to others, and then i select hdr/1x and i click on evdo mode. Try doing this but you need your msl.
Caution: ive tried it on ics roms and its really weird. Try going on a GB rom and do that. Oh and on EVDO, you wont be able to recieve messages, so when you are done change the setting back to hybrid.
durhamite said:
I am getting the same thing too. Funny thing is that it just started being this way recently, it wasn't always slow. It is not just the data speeds, I am getting no service in places where I used to get service.
I have been seriously thinking about switching carriers and moving to t-mobile but a little afraid because I have been with sprint forever.
If something don't change by the end of the month, sprint may be losing another customer since the GSIII is on ALL carriers.
I am in Raleigh/Durham NC by the way.
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Click to collapse
NC market has some EVDO issues affecting certain users.
I was just told this after getting off the phone with them earlier today for a different issue.
Still incredibly slow, but I'm hoping the network update fixes some things. Thanks for the information though!
for some reason after i flash a rom i will only get 1x and i have to go back to a stock rom to get 3g back. has anyone else had this problem?
Check your prls and modems
Sent from my SPH-L710 using xda premium
i have updated the prls and i was on the latest modem and it was still doing it. then i tried downgrading to LF9 modem with no change. im on the LG2 build.
Which ROM? On Cm10 early builds I only showed 1x but if doing speed tests and looking at dbm signal output I was still getting 3g speeds.
i first tried it on blazer ROM 1.5 then i seen there was an update so i tried 1.6 but got the same thing
i have also just tried it with Team VeNuM's blue themed rom and i have the same outcome
What kind of real speeds are you getting when you speed test? It's entirely possible that you truly only have 1x speeds in your area. Sprint has "strongly encouraged" Samsung and HTC to always show 3G in areas where there is supposedly 3G. Most custom ROMs have corrected this by showing actual speeds in their ROMs. So it could also be that you truly are only getting 1x and the stock ROM is falsely reporting 3G.
ok well now that im home (i was away on vacation in the Poconos) i ran a speed test and got decent numbers this is the results of 3 tests i ran /ping- 92, 77, 76 /download kB/s- 214.6, 236.8, 152.5 /upload kB/s- 78.3, 77.8, 101.6. so i backed up, flashed Team VeNuM's rom and wiped cache but when the phone booted it showed 3g so maybe b/c i was in PA it might have been saying i was in 3g when i really wasnt proving what you were saying jdogg836. so heres the results of the speed test /ping- 121, 134, 206 /download kB/s- 89.1, 67, 64.4 /upload kB/s- 61.1, 28, 58.6 it's showing much slower speeds but im not sure why
makipsee said:
ok well now that im home (i was away on vacation in the Poconos) i ran a speed test and got decent numbers this is the results of 3 tests i ran /ping- 92, 77, 76 /download kB/s- 214.6, 236.8, 152.5 /upload kB/s- 78.3, 77.8, 101.6. so i backed up, flashed Team VeNuM's rom and wiped cache but when the phone booted it showed 3g so maybe b/c i was in PA it might have been saying i was in 3g when i really wasnt proving what you were saying jdogg836. so heres the results of the speed test /ping- 121, 134, 206 /download kB/s- 89.1, 67, 64.4 /upload kB/s- 61.1, 28, 58.6 it's showing much slower speeds but im not sure why
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Call sprint...lots of antennas are only around 60-70% right now....got to do with upgrading system from my understanding...also...upgrade your radio to LG8 and see what happens. :fingers-crossed:
but that big of a drop within minutes? yea im on the LF9 modem i downgraded from the LG2. are people having better luck with the LG8 from the LG2?
makipsee said:
for some reason after i flash a rom i will only get 1x and i have to go back to a stock rom to get 3g back. has anyone else had this problem?
Click to expand...
Click to collapse
Check to see if the time you flashed has the 1x/3g mod... stock Roms only ever show 3g even when they are on 1x..
You can also go into the market and download netmonitor which will tell you your true network type.
I'm almost willing to bet that's the problem.
I too live in pa and most northern parts only have 1x service.. just so you know.
Harrisburg/reading/Lebanon is where you start getting 3g.
Edit. Most of what I said was already explained. Didn't see jdoggs post.
Sent from my SPH-L710 using xda premium
makipsee said:
for some reason after i flash a rom i will only get 1x and i have to go back to a stock rom to get 3g back. has anyone else had this problem?
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Click to collapse
Personally I've has this problem since day 1 with this phone. On Airave it seems worse than being connected to towers for me. Sometimes mine goes from 3g to 1x to no data. Turning mobile data off and on usually fixes the issue. I've tried all radios, no difference, LG8 seems to keep connection longer.
joeyhdownsouth said:
Personally I've has this problem since day 1 with this phone. On Airave it seems worse than being connected to towers for me. Sometimes mine goes from 3g to 1x to no data. Turning mobile data off and on usually fixes the issue. I've tried all radios, no difference, LG8 seems to keep connection longer.
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If you have the original airave it only has 1x.
The newer version the airvana has 3g coverage..
Sent from my SPH-L710 using xda premium
dtr145r said:
If you have the original airave it only has 1x.
The newer version the airvana has 3g coverage..
Sent from my SPH-L710 using xda premium
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I've had newer one since the day it came out, no problems with any other phone I've had, just s3. I believe the problem to be the phone, sprint, or my isp.
this message brought to you by my GalaxyS3
I have had modem issues since day one too, I got a new phone because of the poor signal and it's the same.
I tried all the radios this weekend and found no real gains with any. I saw the 1x indicator with the CM10 7/29 build and the AOKP ROM.
Stock based ROM all showed 3G, but it would make sense if they are lying, although I would see 1x in distant lands on my EVO.
I will try the speed test.
It's also worth noting that I have a friend with a stock HTC X one getting about the same signal as me, so it may well be that sprint is messed up here.
lost+found said:
I have had modem issues since day one too, I got a new phone because of the poor signal and it's the same.
I tried all the radios this weekend and found no real gains with any. I saw the 1x indicator with the CM10 7/29 build and the AOKP ROM.
Stock based ROM all showed 3G, but it would make sense if they are lying, although I would see 1x in distant lands on my EVO.
I will try the speed test.
It's also worth noting that I have a friend with a stock HTC X one getting about the same signal as me, so it may well be that sprint is messed up here.
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Click to collapse
I'm not sure at this point, tried everything under the sun, just today I got into the Airvana management page and set it to my router's reserved IP for my Airvana. I think its Sprint also, but you know when I'm right under the Airvana, it seems my s3 keeps solid data connection. This could very well be a weak radio in the S3. All I know is I never had this issue with any previous phones. Maybe 1 day someone will figure this out as Sprint Airave techs are worthless, I feel like I know more than they do!
My problem is even worse since I rooted and flashed AOKP. Hopefully someone can help here. I can make phone calls, it shows 1x, but I don't have a data connection...
Wondering if it is my area. I haven't had issues before. Maybe I should call Sprint to see if they are messing with the towers.
UPDATE: Fixed by flashing stock rom and using the ##72786# in the phone keypad thankfully.
colddonkey said:
My problem is even worse since I rooted and flashed AOKP. Hopefully someone can help here. I can make phone calls, it shows 1x, but I don't have a data connection...
Wondering if it is my area. I haven't had issues before. Maybe I should call Sprint to see if they are messing with the towers.
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Click to collapse
Yuuup.. They are dicking around constantly.
Sent from my SPH-L710 using xda premium
So I live in the city. Right now I'm using MOAR v4.01 and I cannot achieve a connection other than 1x no matter where I am in the city. I had this problem on other ROMS so I don't think it's MOAR.
I was using the Anthrax Aosp rom a few months ago and noticed I achieved a 4g connection on the upper east side but ever since then I cannot get higher than 1x.
Is there anyone else in NY getting a 3g or 4g connection? Does anyone know what I can do to try to fix this? I am using the MD4 modem (had the problem on MB1 too) and update my profile and prl often. I am really getting frustrated paying for services I can't even use. I am hoping that I won't have to unroot and reset my flash counter to bring the phone to a sprint store.
Sent from my SPH-L710 using Tapatalk 2
davelikestacos said:
So I live in the city. Right now I'm using MOAR v4.01 and I cannot achieve a connection other than 1x no matter where I am in the city. I had this problem on other ROMS so I don't think it's MOAR.
I was using the Anthrax Aosp rom a few months ago and noticed I achieved a 4g connection on the upper east side but ever since then I cannot get higher than 1x.
Is there anyone else in NY getting a 3g or 4g connection? Does anyone know what I can do to try to fix this? I am using the MD4 modem (had the problem on MB1 too) and update my profile and prl often. I am really getting frustrated paying for services I can't even use. I am hoping that I won't have to unroot and reset my flash counter to bring the phone to a sprint store.
Sent from my SPH-L710 using Tapatalk 2
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Click to collapse
I'm nowhere near NYC (in fact, Southern California is pretty much as far away as you can get from NYC without going to Alaska or Hawaii), but it sounds like Sprint might be updating their network. I know in many areas (myself included), Data services were extremely crippled when they were installing 4G. I would regularly get 1x in areas where I would get decent 3G. Then a few weeks later, the 3G was back. Then a month or so later 4G was up and running (it's pretty nice here at my work desk). Others have reported similar issues when the network is being upgraded.
So maybe it'd be worth a call to Sprint to see what's up with them. A part of me doubts that most of NYC would be upgraded at once, but maybe in your area there's work going on. It's worth a (relatively) quick call.
Yes, I get 3g and 4g depending where I am. I'm stock rooted md4.
Had that issue once but update profile and prl over wifi fixed it for me.
Sent from my GT-N8013 using Tapatalk HD
I emailed them and they told me there is network outages in my area, but then the guy above me just said he's getting a 3g and 4g connection. Sprint really frustrates me. When I got my phone, it would say I was connected to 3g but after doing speed tests I would only get about 115kbps down. Now I'm using MOAR and it shows 1x and if I do a speed test on 1x its about the same. However, I used to get a 4g connection on 44th street and 6th ave but now I don't. I think I'm gonna go to the store today and ask them. If they tell me to bring my phone in I'll have to unroot it and reset the flash counter :/
Sent from my Nexus 7 using Tapatalk HD
Yes, certain spots in lower Manhattan I get signal but can't use the service. It just don't work. Text won't send or calls won't go thru.
Yes sprint turns on and off the 4g.
Sent from my GT-N8013 using Tapatalk HD
vibes340 said:
Yes, certain spots in lower Manhattan I get signal but can't use the service. It just don't work. Text won't send or calls won't go thru.
Yes sprint turns on and off the 4g.
Sent from my GT-N8013 using Tapatalk HD
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So I found out what was causing the issue. I went into the ##3282# menu and navigated to Others > HDR/1X Selection and turned it to Hybrid mode and now I can access 3G and I'm gonna test 4G after work.
Sent from my Nexus 7 using Tapatalk HD
Hey all! Ok, so my gf has had this S2 from Koodo (Telus) since January. Out of the box it came with LTE/4G enabled and working fine. However, I rarely leave things alone and right away I installed TWRP, AOKP and I think, Tiberius Kernel. Have been using variations of each since. However, ever since I did that, the 4G hasn't worked. In the phone settings it says LTE/GSM Auto. However if I change it to anything else, like LTE ONLY, for example, it just stays at LTE/GSM auto. Nothing happens. So I am wondering how to get her 4G to work again since I know it is fully capable of it and my area does have working LTE.
santeana said:
Hey all! Ok, so my gf has had this S2 from Koodo (Telus) since January. Out of the box it came with LTE/4G enabled and working fine. However, I rarely leave things alone and right away I installed TWRP, AOKP and I think, Tiberius Kernel. Have been using variations of each since. However, ever since I did that, the 4G hasn't worked. In the phone settings it says LTE/GSM Auto. However if I change it to anything else, like LTE ONLY, for example, it just stays at LTE/GSM auto. Nothing happens. So I am wondering how to get her 4G to work again since I know it is fully capable of it and my area does have working LTE.
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The t989d doesn't have lte. Doesn't have the hardware for it.
Sent from my cell phone telephone
Ok but my mother has the same phone (got them each one) but I haven't touched that one and it says 4G by the signal bars... Why is that?
Sent from my Nexus 4 using xda premium
santeana said:
Ok but my mother has the same phone (got them each one) but I haven't touched that one and it says 4G by the signal bars... Why is that?
Sent from my Nexus 4 using xda premium
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Click to collapse
4g is the same as H+ on custom roms. And now some say DC. Not sure why they left behind the 4g symbol, but its all the same thing. So if you see H+, DC or 4g, its all actually 4g.
You should be on GSM/wcdma preferred in mobile settings.
Sent from my cell phone telephone
kj2112 said:
4g is the same as H+ on custom roms. And now some say DC. Not sure why they left behind the 4g symbol, but its all the same thing. So if you see H+, DC or 4g, its all actually 4g.
Sent from my cell phone telephone
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Oh ok! Thanks!
Sent from my Nexus 4 using xda premium
I have sorta the same problem, except I have a tmobile s2 t989. I flashed cm 10.1 nightlies and the newest radio. Phone works good except my phone no longer shows the 4G symbol above the signal bars. It instead says 3G. Before rooting it said 4G above the signal bars. Every once in a while it says DC. Any advice?
iMacMane said:
I have sorta the same problem, except I have a tmobile s2 t989. I flashed cm 10.1 nightlies and the newest radio. Phone works good except my phone no longer shows the 4G symbol above the signal bars. It instead says 3G. Before rooting it said 4G above the signal bars. Every once in a while it says DC. Any advice?
Click to expand...
Click to collapse
Explained the symbols in posts above. And if you are getting a lot of 3g....that's reception. Your losing your 4g connection and its picking up 3g. Usually for this to happen you'd only be getting about 1 bar on your signal.
Sent from my cell phone telephone
kj2112 said:
Explained the symbols in posts above. And if you are getting a lot of 3g....that's reception. Your losing your 4g connection and its picking up 3g. Usually for this to happen you'd only be getting about 1 bar on your signal.
Sent from my cell phone telephone
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I appreciate the info. I live in Orlando and I'm pretty sure we have tmobiles 4g or hspa+. I was just wondering why I'm only getting 3G date speeds instead of 4G speeds. The internet still seems relatively fast but wanted to make sure the phone wasn't slowing down the speeds to 3G speeds.
iMacMane said:
I have sorta the same problem, except I have a tmobile s2 t989. I flashed cm 10.1 nightlies and the newest radio. Phone works good except my phone no longer shows the 4G symbol above the signal bars. It instead says 3G. Before rooting it said 4G above the signal bars. Every once in a while it says DC. Any advice?
Click to expand...
Click to collapse
Aosp ROMs run on 3g (umts) until data is called. Once data is called it will pull up h+(hspa+)or dc(dc-hspa) depending on your area. Its a battery saving feature and the stock Samsung ROMs show 4g all the time. Unless on edge or GPRS. I think even touchwiz ROMs went to umts while idle.
sent from my t989 hercules