Anybody got a Galaxy Nexus on T-Mo USA with the H icon switching to the 3G icon back & fourth on a daily basis? Seems like a software bug to me or could this be normal? I'm in a solid 4G area, never seen this before.
Thanks.
Sent from my GN
Its normal and exactly what its intended to do.
Your phone connected to umts which is 3g and will only change to hspa "4g" when pulling data.
Sent from my Galaxy Nexus using xda premium
This is just what the phone is supposed to do. UTMS (3G) uses less power then HSPA (H), so the phone switches when there's data to be transferred, but otherwise stays at UTMS when there's nothing going on. Most ROMs just don't have a different icon for HSPA and UTMS, because HSPA hasn't always been "4G," so there's been no reason to notify the user that anything is different when it switches.
OK appreciate the information
Sent from my GN
I really wanted to like it.
I have been running PA/CM rom since they first came out, flipping back and forth. ZVA came out and i was excited and TOT to it. my signal went to ****.
95% of my day is in a 4g area, on ZV8, I see 4g (and pretty fast speeds) most of my day.
I flashed to ZVA, and i can watch the 4g (at my desk, so basically the same place everyday) flip to 3g for no reason. the worst part is it does it in the middle of something. if i go into airplane mode and back out it goes to 4g, for a few minutes and flips to 3g again. so frustrating.
on the way home we drive by an antenna and with ZV8 i see 40 megabit speeds (i can see the antenna from the car)
on ZVA, it will NEVER flip to 4g. we will come into, and go out of the coverage area for that antenna and it will stay in 3g the whole time. if i flip airplane mode, it will kick into 4g.
absolutely terrible!
so ZVC comes out, I TOT to it for a day. same exact problems. 0 4g like the phone does not even try to look for it! also a co worker has the same phone and the same issues. He requested i flash him back to ZV8 just because of the terrible signal on ZVA/ZVC (he has never run a rom or anything other than stock)
is anyone else experiencing these problems?
is there anything that i can do that might help? id like to rock ZVC, but without reliable 4g its a no go
Have you tried disabling band 26 and 41 to see if you get same 4g as before. If not give it a try. ##DATA# and edit LTE. You will need your MSL. Maybe that would help. You will lose the other bands but maybe that is your problem. Maybe trying to connect to those bands but have bad signal so stays on 3g.
Working well for me surprisingly enough
Sent from my LG-LS980 using Tapatalk
Had the same exact problems and disabling bands 41 and 26 helped a lot. However, that means you basically are back to non-Spark, but that was still better than the frustrating fall back to 3G and staying on 3G. Some people say that just disabling band 41 helps too.
However, I've noticed much less of a problem recently with this issue with all 3 bands enabled on ZVA. I suspect that Sprint is upgrading towers around my area to better address this issue. So maybe it's not a software issue on our phones.
Sent from my LG-LS980 using xda app-developers app
The problem is ecsfb (enhanced circuit switched fallback) spark phones can't connect to the voice network and lte at the same time because they only have one antenna instead of two. But to be able to switch back and forth between lte and 3g the towers you're on need to have ecsfb enabled. I had the same problems before but it seems in my area (nyc) that they're starting to enable it as I'll be on lte get a call and then get put back on lte right after the call is up. The coverage for lte in my house is pretty horrible though the signal is like -120dbm outside its much better like -90ish. I just got an airave for my house because I was getting some dropped calls and it worked great for like the first hour the signal went to like -47dbm for the voice/3g network. However after a while it stopped using the airave and it went back to using lte and regular voice towers. I switched my phone to cdma only and it started using the airave again but just now I switched it back to lte/cdma and its no longer using the airave. So that kind of sucks lol. But back to spark it seems to be improving regarding switching to 3g/lte but the coverage hasnt changed much atleast in my house. Whenever I check which band I'm on its either 25 or 41 I have yet to see it go on 26. Hopefully they can hurry it up I considered switching to tmobile last week after sprint tried to charge to say my next bill would be $240 after they told me two weeks before it would be $180 smh. I complained like crazy and they decided to pay the difference and lower my bill so I'll stick with them for now.
OfficialPerson said:
However after a while it stopped using the airave and it went back to using lte and regular voice towers. I switched my phone to cdma only and it started using the airave again but just now I switched it back to lte/cdma and its no longer using the airave.
Click to expand...
Click to collapse
Yeah, another known issue with triband phones... The Airave won't connect if your phone is in LTE. But because your phone gets crappy signal at your house, you'll get crappy LTE that intermittently connects, so therefore airave only intermittently connects when you are on CDMA.
I have Tasker automating the switching between LTE/CDMA and CDMA only when I enter and leave my house, but I this solution isn't the best.
beezar said:
Yeah, another known issue with triband phones... The Airave won't connect if your phone is in LTE. But because your phone gets crappy signal at your house, you'll get crappy LTE that intermittently connects, so therefore airave only intermittently connects when you are on CDMA.
I have Tasker automating the switching between LTE/CDMA and CDMA only when I enter and leave my house, but I this solution isn't the best.
Click to expand...
Click to collapse
I was gonna say I hope theres a way to get it to switch between the two when I leave and come back home thanks for the suggestion I'm going to check it out now.
beezar said:
Yeah, another known issue with triband phones... The Airave won't connect if your phone is in LTE. But because your phone gets crappy signal at your house, you'll get crappy LTE that intermittently connects, so therefore airave only intermittently connects when you are on CDMA.
I have Tasker automating the switching between LTE/CDMA and CDMA only when I enter and leave my house, but I this solution isn't the best.
Click to expand...
Click to collapse
I downloaded tasker and I can't seem to figure out how to automate it to turn on 3g when I'm home and 4g when I leave would you mind letting me know how you set yours up?
OfficialPerson said:
I downloaded tasker and I can't seem to figure out how to automate it to turn on 3g when I'm home and 4g when I leave would you mind letting me know how you set yours up?
Click to expand...
Click to collapse
4G uses a lot of battery, I stick to 3G which is fast enough for me plus LTE is not compatible with my Airave 2.5+. Also why not use WiFi at home it does wonders for battery life?
abhinav.tella said:
4G uses a lot of battery, I stick to 3G which is fast enough for me plus LTE is not compatible with my Airave 2.5+. Also why not use WiFi at home it does wonders for battery life?
Click to expand...
Click to collapse
3g is way too slow for me I get 1mbps on average up and down. 4g may take more battery but for me it lasts long enough and the benefits are much greater. I do use wifi at home though but if you have the network set to lte the phone won't fully connect to the airave atleast for me because
the lte signal in my house is very low (about -120dbm). So in order to take advantage of the airave I have to set it to 3g even though I'm using wifi. The only alternative I have thus far is the anycut app I put a network settings widget on one of my home screens I can click that and it brings me to the lte/3g setting but its still not as good as having the phone switch itself instantly.
Yep, Airave doesnt support LTE, but do turn off data at home as its an unnecessary drain, dont know about your internet but my Comcast 30Mbps is faster than using the network, plus Airave uses 3G by drawing fom main internet anyway. Also restrict your Airave in settings to only your family numbers unless you want unnecessary connections from neighbors causing bandwidth loss. If you have a big home, call and Airave support will increase your Airave power output to cover about 5,000 Sqft.
Sorry, but theres no reason the phone should not be switching dynamically to 4g as the signal comes available. When I'm at work, and on 4.4.2 it will stay on 4g, and flip itself to 3g in the middle of a file transfer!!
on ZV8, it will get 3 bars of 4g in the same spot.
johnzm said:
Sorry, but theres no reason the phone should not be switching dynamically to 4g as the signal comes available. When I'm at work, and on 4.4.2 it will stay on 4g, and flip itself to 3g in the middle of a file transfer!!
on ZV8, it will get 3 bars of 4g in the same spot.
Click to expand...
Click to collapse
Airave does not support LTE, so if you dont set it to CDMA only it wont connect to Airave. Thats why even Sprint support says to set to CDMA only, when near an Airave.
OfficialPerson said:
The problem is ecsfb (enhanced circuit switched fallback) spark phones can't connect to the voice network and lte at the same time because they only have one antenna instead of two. But to be able to switch back and forth between lte and 3g the towers you're on need to have ecsfb enabled. I had the same problems before but it seems in my area (nyc) that they're starting to enable it as I'll be on lte get a call and then get put back on lte right after the call is up. The coverage for lte in my house is pretty horrible though the signal is like -120dbm outside its much better like -90ish. I just got an airave for my house because I was getting some dropped calls and it worked great for like the first hour the signal went to like -47dbm for the voice/3g network. However after a while it stopped using the airave and it went back to using lte and regular voice towers. I switched my phone to cdma only and it started using the airave again but just now I switched it back to lte/cdma and its no longer using the airave. So that kind of sucks lol. But back to spark it seems to be improving regarding switching to 3g/lte but the coverage hasnt changed much atleast in my house. Whenever I check which band I'm on its either 25 or 41 I have yet to see it go on 26. Hopefully they can hurry it up I considered switching to tmobile last week after sprint tried to charge to say my next bill would be $240 after they told me two weeks before it would be $180 smh. I complained like crazy and they decided to pay the difference and lower my bill so I'll stick with them for now.
Click to expand...
Click to collapse
data connected on voice channel is 2g, not 3g
there are 3 channels: 1xRTT, EVDO, and LTE
un1ocked said:
data connected on voice channel is 2g, not 3g
there are 3 channels: 1xRTT, EVDO, and LTE
Click to expand...
Click to collapse
What I'm more referring to is the settings in mobile networks. You have to put it to 3g/cdma depending on your rom and whatnot to be able to connect to the airave.
Band 26 isn't out yet if i'm not mistaken. I believe 41 is limited also. Disabling 26/41 will bring you back to nonspark band 25
i dont know how airave got involved in this thread. i could care less if i get solid 3g at my house, i am more concerned about the spark rom's delivering a reliable 4g connection when its available (which it does not)
OfficialPerson said:
I downloaded tasker and I can't seem to figure out how to automate it to turn on 3g when I'm home and 4g when I leave would you mind letting me know how you set yours up?
Click to expand...
Click to collapse
It's not a great of a solution, but it is automated. I have a profile with the state being connection to my home wifi. Enter task turns off keyguard, then enters mobile data settings, turns on the screen, and then uses two touchscreen taps to tap mobile networks then CDMA.
To execute screen taps, you use a Run shell command of "input tap x y" where the x and y are coordinates of where you want to tap. You figure out the coordinates by showing touch data in the developer options in settings. Be sure you enable root access for the run shell command otherwise it won't work.
Then you can shut the screen off with a system lock. The exit task is just opposite.
beezar said:
It's not a great of a solution, but it is automated. I have a profile with the state being connection to my home wifi. Enter task turns off keyguard, then enters mobile data settings, turns on the screen, and then uses two touchscreen taps to tap mobile networks then CDMA.
To execute screen taps, you use a Run shell command of "input tap x y" where the x and y are coordinates of where you want to tap. You figure out the coordinates by showing touch data in the developer options in settings. Be sure you enable root access for the run shell command otherwise it won't work.
Then you can shut the screen off with a system lock. The exit task is just opposite.
Click to expand...
Click to collapse
Yikes thats a bit of a setup I'm using anycut with a network settings shortcut on my home screen it goes straight to the setting page for switching to lte/cdma.
OfficialPerson said:
Yikes thats a bit of a setup I'm using anycut with a network settings shortcut on my home screen it goes straight to the setting page for switching to lte/cdma.
Click to expand...
Click to collapse
Well, Tasker can enter the same page that switches lte/cdma via the Mobile Data settings. The issue is there is no Tasker setting or plugin or anything I've seen that lets you actually change the setting without simulating button taps via a run shell command.
Like I said, not a great solution, but it works. When I enter my house, I'm on CDMA, and when I leave, Global setting without me doing anything.
Hello gang,
I picked up a new T-Mobile Note 10.1 2014 edition 2 days ago. So far, everything seems to be great. There is one issue however that seems perplexing. My tablet connects to 4G and LTE networks just fine but for some reason, it will not connect to 2G/Edge networks near my home. I live in a rural part of PA where T-Mobile doesn't have 4G/LTE coverage. My Samsung Galaxy S3 connects to the Edge network near my house without issue. However, my tablet does not connect and simply shows a small X where the signal meter is.
I spoke to T-Mobile tech support this morning and they seem to think that the band covering 2G may be dead. Could this be possible when 4G and LTE work just fine?
Also, the options under Network mode are now limited to 2: LTE/WCDMA (auto connect) and WCDMA only. My SGS3 has a GSM only option which the tablet seems to be missing.
I am running Android 4.4.2. Any thoughts / suggestions?
Thanks!
amstel78 said:
Hello gang,
I picked up a new T-Mobile Note 10.1 2014 edition 2 days ago. So far, everything seems to be great. There is one issue however that seems perplexing. My tablet connects to 4G and LTE networks just fine but for some reason, it will not connect to 2G/Edge networks near my home. I live in a rural part of PA where T-Mobile doesn't have 4G/LTE coverage. My Samsung Galaxy S3 connects to the Edge network near my house without issue. However, my tablet does not connect and simply shows a small X where the signal meter is.
I spoke to T-Mobile tech support this morning and they seem to think that the band covering 2G may be dead. Could this be possible when 4G and LTE work just fine?
Also, the options under Network mode are now limited to 2: LTE/WCDMA (auto connect) and WCDMA only. My SGS3 has a GSM only option which the tablet seems to be missing.
I am running Android 4.4.2. Any thoughts / suggestions?
Thanks!
Click to expand...
Click to collapse
I can't state this as a fact for the tmo P607T but remember that the tmo 3g version of the
Samsung galaxy tab plus 7.0 had a similar situation. Users were looking to add phone functions
to this device.
Turned out on the xda threads that the tmo tab plus 7.0 had no hardware
to support phone functions as the international version did.
amstel78 said:
Hello gang,
I picked up a new T-Mobile Note 10.1 2014 edition 2 days ago. So far, everything seems to be great. There is one issue however that seems perplexing. My tablet connects to 4G and LTE networks just fine but for some reason, it will not connect to 2G/Edge networks near my home. I live in a rural part of PA where T-Mobile doesn't have 4G/LTE coverage. My Samsung Galaxy S3 connects to the Edge network near my house without issue. However, my tablet does not connect and simply shows a small X where the signal meter is.
I spoke to T-Mobile tech support this morning and they seem to think that the band covering 2G may be dead. Could this be possible when 4G and LTE work just fine?
Also, the options under Network mode are now limited to 2: LTE/WCDMA (auto connect) and WCDMA only. My SGS3 has a GSM only option which the tablet seems to be missing.
I am running Android 4.4.2. Any thoughts / suggestions?
Thanks!
Click to expand...
Click to collapse
The GSM mode only makes it so you can force the Device into 2g or Edge mode. If you do not want to use LTE just pick WCDMA which is 3g/HSPA+ and GSM(2g/edge). If you are looking to turn off the T-Mobile data part Pull the Sim card out or just put the Tablet into Airplane mode which you can till turn on Wifi. I bought my Note just for Wifi, and using EIP. So i am not using it with T-Mobile Data. getting a data plan on the tablet is a big waste when you can just hotpsot your phone.
Prod1702 said:
The GSM mode only makes it so you can force the Device into 2g or Edge mode. If you do not want to use LTE just pick WCDMA which is 3g/HSPA+ and GSM(2g/edge). If you are looking to turn off the T-Mobile data part Pull the Sim card out or just put the Tablet into Airplane mode which you can till turn on Wifi. I bought my Note just for Wifi, and using EIP. So i am not using it with T-Mobile Data. getting a data plan on the tablet is a big waste when you can just hotpsot your phone.
Click to expand...
Click to collapse
Well, it turns out that my tablet is defective. T-Mobile is sending me a replacement. I spoke to several tier 2 techs including one Samsung specialist and they all concurred that the band governing 2g on my Note must be inoperative. Weird right?
Well I got my replacement Note in the mail yesterday and it also will not connect to the 2G/Edge network near my house. I highly doubt I could have gotten 2 bad tablets in a row so there's something else amiss here. Perhaps the specs on T-Mo's website is incorrect and this new device simply doesn't have the capability to go to 2G/Edge or the modem firmware being used is a crippled version.
Very disappointed to say the least; yes Edge is horrendously slow but can be beneficial in a pinch sometimes. Any thoughts?
amstel78 said:
... or the modem firmware being used is a crippled version. ... Very disappointed to say the least; yes Edge is horrendously slow but can be beneficial in a pinch sometimes.
Click to expand...
Click to collapse
Yeah, I think you're right; despite unlocking mine and using it on AT&T (which does have better coverage), there's places on my commute where there's 4 bars, yet no data transfer. I've yet to see an "E" or "3G" symbol, either.
I'm thinking about trying to flash the P605M radio, but that'll have to wait 'till the weekend.
kcrudup said:
Yeah, I think you're right; despite unlocking mine and using it on AT&T (which does have better coverage), there's places on my commute where there's 4 bars, yet no data transfer. I've yet to see an "E" or "3G" symbol, either.
I'm thinking about trying to flash the P605M radio, but that'll have to wait 'till the weekend.
Click to expand...
Click to collapse
Please keep me posted on your results if you do end up flashing the modem. I'd be very interested to see what you discover.
I wonder if this move by T-Mo to cut 2g/Edge compatibility has something to do with their rumored intention of converting all of their 2g spectrum to 4g? Even if that were true though, that precludes using this as an unlocked device in other areas or countries that may only have 2g/3g coverage. What about data roaming?
amstel78 said:
Please keep me posted on your results if you do end up flashing the modem. I'd be very interested to see what you discover.
Click to expand...
Click to collapse
Well, turns out that I might put that off a little bit later than the weekend- I've since had mine unlocked and as it gets the VZW LTE bands, I'm going to see how well it does on that (VZW drops back to CDMA in non-LTE areas, so I'd be completely without service). VZW LTE is pretty ubiquitous from what I'd seen with my OG Xoom, but if it turns out I lose service on the train in large spots I'll revisit GSM options again.
Besides, I might just flash the radios just to see what happens
Anyone else on the ATT G4 having problems with LTE connectivity? In areas where I'd usually get 5 bars of LTE service, a majority of the time I get 2 or 3 bars of Edge service. Putting it into airplane mode and back out doesn't help, turning mobile data on and off doesn't help, and neither does removing the SIM card (and reseting the phone in the process). It seems to come and go whenever it wants to.
Sent from my LG-H810 using Tapatalk
All I can guess is, it's probably just the ATT network itself. They did some upgrades around here a while once Cspire started hyping their fiber optic network and I noticed on my older phone that in areas where I used to get 3G I was stuck getting edge. Even with my G4 I can park in perfect view of a known ATT tower and it'll hit 4G and within a minute be down to 3G - same with strength. Get 5 bars, don't move, no data, no call, and it'll drop down to no bars but still connected and bounce around, usually settling at 2 or 3. Even though ATT says they have full LTE out here I rarely actually see the LTE logo display in the status bar.
I've been using OpenSignal to try to map out coverage areas though, been pretty handy in finding towers and chasing stronger signal
Hi sir
I m using lg g4 h810 AT&T it was working well one day i put a memory card in it signal disappear never came go to software and hardware experts but nobody has solved my problem all other functions of cell phone working properly
Noticing something unusual now with my S8+ locking onto 4G LTE.
If I am in a 4G LTE area (40-50 down speeds on avg), then move to a poor coverage area (Edge only), then move back to the same 4G LTE area...my phone does not switch back to 4G LTE.
I have to restart my phone in order to connect to 4G LTE.
Turning off then turning on data doesn't work either...although shouldn't have to do this anyway.
Any suggestions? BTW, haven't touched the default phone settings and I have cellular network preferred in the wifi call setting if that matters. Network mode is LTE/4G/3G/2G. My phone is not rooted.
Thanks.
I've experienced this same issue I've actually had my s8+ replaced under warranty 5 times now... t-mobile is now having me contact samsung to send in my phone because they believe its a phone issue...
wow, really...
that stinks...and you know, only started after one of the recent updates, whatever was before the Bixby update... maybe coincident, maybe not.
Same issues here. I've had while running the T-Mo firmware and the unlocked firmware. Mine was originally the US Unlocked version purchased straight from Samsung.com.
I have that same problem too... Just put it in airplane mode for a few seconds to fix it.
twolfekc said:
I have that same problem too... Just put it in airplane mode for a few seconds to fix it.
Click to expand...
Click to collapse
That doesn't work for me. It's hit or miss. Sometimes it bounces back to LTE just fine, other times not. Yesterday, it got stuck on H+. Only a reboot would fix it.
well what the heck - guess i will visit the TMo store to see what they say...