[Q] Prefers 3g over 4g - Verizon Samsung Galaxy S 4

My office is notorious for bad cell phone signal. For some reason in the office my Galaxy s4 seems to connect to 3g, which barely has any signal, until I reboot at which point it connects to the 4g network with one bar, which is still allot better than its 3g signal. My rezound always connected via 4g and it was fast enough to tether my Kindle, nexus 7, and laptop.
Any suggestions to improve signal or make it connect to 4g instead of 3g without rebooting?

a bunch of us friends get together every wednesday night at this chili's near our house and for some reason the second we go inside our 4G drops out. we all have samsung phones, note 2's, S3's and now my S4 and the best way we found to restore our 4G when in the building, toggle airplane mode on and off. we go from having no 4G, to full blown 4G

I agree

Use this app to force lte only http://db.tt/6emsIZZE
Sent from my SCH-I545 using Tapatalk 2

cell128 said:
Use this app to force lte only http://db.tt/6emsIZZE
Sent from my SCH-I545 using Tapatalk 2
Click to expand...
Click to collapse
Which app is this? I used to use LTE switch on my rezound. I could set it for LTE, CDMA and it would cut out 3g entirely. Most of the time my rezound preferred 4g, but would occasionally revert back to 3G. LTE switch or any other of the Play store LTE toggle apps do not work on the S4.....So what makes this one different?
Edit.... Ok so I installed it.....First THANK YOU. It's just like LTE switch...but it is slightly different. LTE switch had more radio options/combinations. WCdma would make the rezound lock up and go into an endless reboot cycle, so you had to use Cdma auto prl for 3g. But it had the standard LTE, CDMA, EVDO for 4G, 3G, and 1x. LTE only will not allow phone calls. so I used LTE, CDMA. Will the LTE/CDMA auto (prl) on this keep it from going to 3g like I had on the rezound?

318sugarhill said:
Which app is this? I used to use LTE switch on my rezound. I could set it for LTE, CDMA and it would cut out 3g entirely. Most of the time my rezound preferred 4g, but would occasionally revert back to 3G. LTE switch or any other of the Play store LTE toggle apps do not work on the S4.....So what makes this one different?
Edit.... Ok so I installed it.....First THANK YOU. It's just like LTE switch...but it is slightly different. LTE switch had more radio options/combinations. WCdma would make the rezound lock up and go into an endless reboot cycle, so you had to use Cdma auto prl for 3g. But it had the standard LTE, CDMA, EVDO for 4G, 3G, and 1x. LTE only will not allow phone calls. so I used LTE, CDMA. Will the LTE/CDMA auto (prl) on this keep it from going to 3g like I had on the rezound?
Click to expand...
Click to collapse
Doesn't seem to be in my case. The phone still defaults to 3g. Hopefully a sim card swap fixes it. If not, we're looking at warranty exchanges.
Sent from my SCH-I545 using Tapatalk 2

najaboy said:
Doesn't seem to be in my case. The phone still defaults to 3g. Hopefully a sim card swap fixes it. If not, we're looking at warranty exchanges.
Sent from my SCH-I545 using Tapatalk 2
Click to expand...
Click to collapse
Yeah this sucks. If I hit LTE it will switch to 4g and then I go back to lte/cdma/auto, and will switch back to 3g. If it had the ability to block evdo than it would stay in 4g or 1x only. Maybe this can be tweaked? The rezound had a number sequence you could dial to get into the same menu that lte switch would give you.

New sim fixed the issue for me.
Sent from my SCH-I545 using Tapatalk 2

Who developed this app and is it safe? Not that I think you are out to cause harm, but side-loading apps merits these questions and concerns.

jsz3us said:
Who developed this app and is it safe? Not that I think you are out to cause harm, but side-loading apps merits these questions and concerns.
Click to expand...
Click to collapse
It looks like this is just the Phone Info shortcut app.
Phone Info is an android system app (pre loaded), this app is just a shortcut to it (rather than using a long dialer code to get in).

I tried the long dialer code (*#*#4636#*#*) but that did not work. This app did the trick for me. Many thanks for posting it.

This also happens to me....see below. It shows i have 4G, but isn't connecting to it.
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"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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Swapped sim card - no change
factory reset - no change
enabled global mode - no change
Anyone have any luck with a warranty replacement? I'm starting to think I'm going to have to wait for an update.

Related

Hsdpa vs hspa

I'm still so confused. What is what? And yes I've Google's and read Wikipedia but still hasn't awnsered me. Which one is the one is backhauled and they call 4g? (Not lte) like I know umts is 3g but then what is the other two? I know one of them is the backhauled 3g but then what is the other lol.
Sent from my SAMSUNG-SGH-I777 using XDA App
HSPA+ is what AT&T called '4G'. HSDPA (for faster download) and HSUPA (for faster upload) are all part of old 3G technologies. UMTS is even older. Technically HSPA+ is 3G as well.
The entire HSPA protocol stack is a giant evolving standard with many different revisions (called release). UNTS is first release. HSUPA is release 6. HSDPA is before that. Current AT&T 4G HSPA+ is at release 10. T-Mobile is release 10 or higher. Both companies call this 4G.
The first step required to upgrade WCDMA to HSPA is to improve the downlink by introducing HSDPA. The upgrade to HSDPA is often just a software update for most WCDMA networks, and as of May 2008 90 percent of WCDMA networks have been upgraded to HSDPA.
In other words...it's exactly what the person above me said...
That's odd, I read Wikipedia and it answered it for me.
Yea I know what they call 3g and 4g lol. Its just that my area last week just got 3g. And it says hspa under status. And even the att website here says its not the backhaulrd what they call 4g. And I was told hy 611 they we wouldnt gget backhauled speeds. But I have hspa. Download speeds always around 2mb down. Can't really test it cause when I'm in a known 4g area its still the same
Sent from my SAMSUNG-SGH-I777 using XDA App
hyelton said:
I'm still so confused. What is what? And yes I've Google's and read Wikipedia but still hasn't awnsered me. Which one is the one is backhauled and they call 4g? (Not lte) like I know umts is 3g but then what is the other two? I know one of them is the backhauled 3g but then what is the other lol.
Sent from my SAMSUNG-SGH-I777 using XDA App
Click to expand...
Click to collapse
Best explanation ever is found here: http://www.engadget.com/2011/01/17/2g-3g-4g-and-everything-in-between-an-engadget-wireless-prim/
Also what explains the issue with it and having 3bars of service phone calls work fine even with the h+ symbol but no data. It happens a lot. Its not just tmy phone either it does it with other androids and iI'm sick and tired of it
Sent from my SAMSUNG-SGH-I777 using XDA App
hyelton said:
Yea I know what they call 3g and 4g lol. Its just that my area last week just got 3g. And it says hspa under status. And even the att website here says its not the backhaulrd what they call 4g. And I was told hy 611 they we wouldnt gget backhauled speeds. But I have hspa. Download speeds always around 2mb down. Can't really test it cause when I'm in a known 4g area its still the same
Sent from my SAMSUNG-SGH-I777 using XDA App
Click to expand...
Click to collapse
You have couple of issues there. First of all the status page on GS2 is known to be broken. It randomly flips through UMTS, HSPA and HSDPA etc. It is in no way reflect the actual protocol being used. Second of all, in most areas, 3G and 4G have no speed difference since they all over congested. You will only see signigicant difference in areas that are not densely populated. The signal icon of H+ is also not to be trusted. AT&T is known to stick to one icon for all protocols so that you can't easily find out which area is upgrade 4G and which is not.
Try dial *#0011# and see what the Samsung's diagnose screen says.
Yea iI know to not trust the status bar lol
{
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"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Here is a screenshot of that screen
foxbat121 said:
You have couple of issues there. First of all the status page on GS2 is known to be broken. It randomly flips through UMTS, HSPA and HSDPA etc. It is in no way reflect the actual protocol being used. Second of all, in most areas, 3G and 4G have no speed difference since they all over congested. You will only see signigicant difference in areas that are not densely populated. The signal icon of H+ is also not to be trusted. AT&T is known to stick to one icon for all protocols so that you can't easily find out which area is upgrade 4G and which is not.
Try dial *#0011# and see what the Samsung's diagnose screen says.
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I777 using XDA App
And also what does this screen mean?
Sent from my SAMSUNG-SGH-I777 using XDA App

My rezound drops 3g at random moments.?

Hey folks,
I have been checking all over the web, and have not found enough useful info. My 3g signal drops out at random times when I know I have a good signal. I have put it in only cdma mode. Done all the other stuff, and it still does this. I live in a no 4G area, and never had problems like this with my incredible. I am afraid it is my phone, but I think it is the network. I haven't rooted yet because of this. Has anybody else had this problem? All responses are welcome. Thanks
Sent from my ADR6425LVW using Tapatalk
Some people are saying that since our connection is verified with the sim card that it is a network problem caused by issues Verizon is having. Watch the web when people state they have 4G issues and you are probably going to see 3G outages at the same time.
http://forum.xda-developers.com/showthread.php?p=20363710
This may help you. Whenever there is an outage this lets me get 3g at least
sent from my newly unlocked Rezound
I'm having the same issue...3G only area though being restricted to 1x where I should deff have 3G...
I should add that evdo is extremely slow at changing from 3g to 4g but if you're not in 4g coverage I had more reliable 3g using evdo.
sent from my newly unlocked Rezound
Ugh, I'm battling with this issue as well. Rebooting doesn't get my 3g back. Is this a software issue? I'm rooted with a custom kernel/rom, but I had this issue stock.
AtLemacks said:
Some people are saying that since our connection is verified with the sim card that it is a network problem caused by issues Verizon is having. Watch the web when people state they have 4G issues and you are probably going to see 3G outages at the same time.
Click to expand...
Click to collapse
This. I read in our forums that because LTE phones use a SIM card, they have to go through a type of verification process with the network to latch onto LTE signal. As a result, when this is happening the 3G signal bottoms out because the phone is trying to latch onto LTE. The same is true for going from LTE to EVDO as well.
Something along those lines, at least
JeramyEggs said:
Hey folks,
I have been checking all over the web, and have not found enough useful info. My 3g signal drops out at random times when I know I have a good signal. I have put it in only cdma mode. Done all the other stuff, and it still does this. I live in a no 4G area, and never had problems like this with my incredible. I am afraid it is my phone, but I think it is the network. I haven't rooted yet because of this. Has anybody else had this problem? All responses are welcome. Thanks
Sent from my ADR6425LVW using Tapatalk
Click to expand...
Click to collapse
Have you tried replacing the SIM? If at all possible try walking out of Verizon without them activating the new SIM. Seems when ever I'm at a Verizon store someone is always waiting to have a 4G device activated. I had one instance with a SIM swap that took 30 mins @ the store. Now I just ask for a SIM replacement and tell them that I would activate via phone support when I get home. In my past experience, activation happen a lot faster away from a Verizon store loaded with queued activation requests.
Sent from my ADR6425LVW
I've had this issue since the Vigor came out. In 3g, I'd lose data completely. Only a reboot or airplane mode would fix it. I had new Vigor sent to me and the same problem. I've been through several sim cards ( I switch between my Vigor and Nexus often). I've talked to VZW more times than I care to mention and they've had no answers for me. They even sent techs to my area to see if it was a network problem. No luck. Just have to live with it I guess. My nexus doesn't do it. Still prefer the Vigor though.
Sent from my Vigor
I had the same problem...3G dropping randomly thoughout last weekend. I thought it was my Rezound so I activated my Droid Razr. Same thing. I'm in Southern Oregon. I called the local Verizon corporate store and asked if there were 3G problems and they didn't know. I think they really are a bit brain dead anyway. I can say I've two of their top line phones phones and both losing 3G once or twice an hour was really pissing me off. I NEED data, I was ready to cancel my service (unlimited data) and go with Sprint but thought better of it as I'm getting 3G constant now. Maybe Verizon has worked this out, I sure hope so.
I run juicedefender, which kills data when screen is off. I wonder if this has to do with it? Doesn't happen often, 3g will come on without a reboot after a few minutes.
PokerMunkee said:
I run juicedefender, which kills data when screen is off. I wonder if this has to do with it? Doesn't happen often, 3g will come on without a reboot after a few minutes.
Click to expand...
Click to collapse
I really do not think Juicedefender is the problem. I have BatteryCalibration (need to be rooted) and never had a problem. I haven't read anything about Juicedefender being the issue. I think it's Verizon, in fact with 2 phones having the same dropping in and out of 3g I sure of it.
Also a few minutes is not even close to acceptable to wait for data. I need data constantly, if your using Google Nav and you lose data your toast, streaming music your toast and I can think of a ton other reasons 3g should never be lost.
Most of Sunday and today I have not had an issue...makes you wonder.
I was using juice defender. I was also having problems with dropping 3 and 4g. Try not running it. Since I stopped I haven't had any drops.
sent from my newly unlocked Rezound
I have the same issue every so often. If the OP switched his search to say Verizon Galaxy Nexus, he'd find plenty of useful info. Hence why I'm back to the Rezound...
Sent from my Rezzy 'cause I sezzy!
Screenshot from my Rezound showing 1x data.... It hardly ever holds 3g..
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Mine does the same thing. Sometimes reboot fixes but not always
Sent from my Rezound using xda app
My problems cleared up after I rooted, and ran the ##778# from dialer. I put it back on evdo, because I don't have 4g in my area. Had one drop of data in like a week. Damn 4g radio's in the sticks.(lol) I think it is more on Verizon's end than on our phones. Wish I could be more help.
Sent from my ADR6425LVW using Tapatalk
JeramyEggs said:
My problems cleared up after I rooted, and ran the ##778# from dialer. I put it back on evdo, because I don't have 4g in my area. Had one drop of data in like a week. Damn 4g radio's in the sticks.(lol) I think it is more on Verizon's end than on our phones. Wish I could be more help.
Sent from my ADR6425LVW using Tapatalk
Click to expand...
Click to collapse
What does that do?
Sent from my Rezound using xda app
From my understanding, it connects thru evdo. The Resound tries to connect thru 4g first, struggles, forcing 3g off, and in the process drops data. I take no credit for this. Pwned posted the link I think. You would get a better understanding if you read the link on page one. Hope that helps......
Sent from my ADR6300 using Tapatalk
Awesome. Going to see how it does. Just changed it.
Sent from my Rezound using xda app

[Q] Turn off LTE

Can i turn off LTE? Or do i have to wait for a user-friendly root method?
Jamesyboy said:
Can i turn off LTE? Or do i have to wait for a user-friendly root method?
Click to expand...
Click to collapse
pretty much unfortunately.
Also, how do i turn off cellular data? I know this is blasphemy, but im coming from and iphone and i want to be able to force wifi when needed, and ensure there is no cell data usage when i want.
What if we have already rooted our phone, how do i turn off lte now?
Sorry this is my first android phone.
mclaughlinar said:
What if we have already rooted our phone, how do i turn off lte now?
Sorry this is my first android phone.
Click to expand...
Click to collapse
How'd you root? Which method?
Jamesyboy said:
How'd you root? Which method?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1504218
Jamesyboy said:
Also, how do i turn off cellular data? I know this is blasphemy, but im coming from and iphone and i want to be able to force wifi when needed, and ensure there is no cell data usage when i want.
Click to expand...
Click to collapse
Hi just put this on your Home on your phone. Works so well Very tiny widget turns on and off the Data.
https://market.android.com/details?id=com.farproc.data.enabler#?t=W251bGwsMSwyLDUwMSwiY29tLmZhcnByb2MuZGF0YS5lbmFibGVyIl0.
Jamesyboy said:
Also, how do i turn off cellular data? I know this is blasphemy, but im coming from and iphone and i want to be able to force wifi when needed, and ensure there is no cell data usage when i want.
Click to expand...
Click to collapse
I know its cumbersome, but until we have roms with custom toggles in the notification bar pulldown, go to settings > wireless and networks > mobile networks > uncheck data enabled.
I don't have a note, but this has been the same on both my infuse and captivate. Should be the same or similar for the note. Yeah its cumbersome, but it works.
Also, if you stay connected to the same wifi, it shouldn't use data anyways, but I suppose this way makes sure.
Sent from my SGH-I997 using xda premium
Blown, welchert, and various. Thanks so much for making an android noob feel at home! While the LTE issue isnt resolved, a major worry of mine is!
No problem. And I'm not exactly sure, but there may be some code that you can dial to force 3g data only. I know for my infuse there are codes to force edge, but I have no clue about lte. Anybody with any knowledge of this should definitely chime in, because once I get my note ill definitely be interested in turning of lte as well.
Sent from my SGH-I997 using xda premium
If you arent in an LTE supported area you have no worries. ATTs network isnt like verizons where the phone will constantly be looking for LTE. If you are in an LTE area and just dont want to use it you will have to alter APN settings to one that only uses H+. You should be able to use the same settings from an H+ only phone.
Just go in settings, wireless network, mobile network,network mode... And you should see this
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"lightbox_share": "Share",
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Sent from my SGH-I717M
big samm said:
Just go in settings, wireless network, mobile network,network mode... And you should see this
View attachment 910539
Sent from my SGH-I717M
Click to expand...
Click to collapse
Ahhh nice to see they integrated the option
Jamesyboy said:
Also, how do i turn off cellular data? I know this is blasphemy, but im coming from and iphone and i want to be able to force wifi when needed, and ensure there is no cell data usage when i want.
Click to expand...
Click to collapse
I just enter airplane mode and then turn back on the wifi if I want to make I am only using wifi connection.
Sent from my SAMSUNG-SGH-I717 using xda premium
big samm said:
Just go in settings, wireless network, mobile network,network mode... And you should see this
View attachment 910539
Sent from my SGH-I717M
Click to expand...
Click to collapse
unfortunately that option isn't in the at&t version... i live in an lte area, but for battery reasons i may want to turn it off some of the time, but not something as difficult as changing apn settings every time.
If there's no easy option i'll just deal with it.
yea um like the user mc said its not there and no good reason why they didnt put it there...
Maybe because your devices are locked to Att.
Mine is form bell here in Canada but its unlocked!
Sent from my SGH-I717M
drksilenc said:
yea um like the user mc said its not there and no good reason why they didnt put it there...
Click to expand...
Click to collapse
does the widge work? (from link above)
As expected, stock at&t ROM doesn't have that simple option to choose which of those 3 data options you want. I'm not surprised considering stock Skyrocket also doesn't give you this option.
imitenotbecrazy said:
If you arent in an LTE supported area you have no worries. ATTs network isnt like verizons where the phone will constantly be looking for LTE. If you are in an LTE area and just dont want to use it you will have to alter APN settings to one that only uses H+. You should be able to use the same settings from an H+ only phone.
Click to expand...
Click to collapse
Verizon doesn't search for LTE constantly if you aren't in an LTE area.

4G LTE Battery Life Tip

Love 4G LTE speeds but just hate to see your battery drop like a rock? I'm sure i do
Well i have a theoretical solution to this:
Im going to be talking about different data modes so it would be best to read this:
Specifically page 5(but its an interesting article)
http://www.extremetech.com/mobile/110711-what-is-lte/
ExtremeTech said:
The reason why LTE devices right now eat batteries for breakfast is because the network operators are forcing these devices into active dual-mode operation.
For Verizon Wireless, this means that all of their LTE devices connect to both CDMA2000 and LTE simultaneously and stay connected to both. This means that you are eating twice the amount of battery for every minute you are connected than you would if you were connected only to CDMA2000 or LTE. Additionally, when you make calls on Verizon Wireless LTE phones, the CDMA2000 radio sucks down more power because you are talking. Sending and receiving text messages causes pulses of CDMA2000 activity, which cuts your battery life more. Arguably, constantly changing radio states could be worse for battery life than a switch into one mode for a period of time and switching back, so text messages may actually kill the batteries faster.
Click to expand...
Click to collapse
Basically what Verizon is doing when 4G is on is forcing their phones to be running 1xRTT, CDMA2000(3G) and LTE at the same time.
Now the question is why would anyone do this? the reason why is so that when you leave the range of a 4G tower you are greeted immediately with 3G(no need to turn it on)
So some of you that live in areas where you constantly use 4G are saying "screw 3G i always have 4G" and that brings us to the point of the thread:
Dial *#*#4636#*#* on your dialer and go to Phone information:
Scroll down to "preferred network type.
It should say something like "CDMA + LTE/EvDO auto." this just means it will switch between 4G and 3G automatically.
GB:
Now look at the bottom and you will see "LTE mode (w/voice)"
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Sense 4
Choose LTE, CDMA
ICS:
choose LTE, CDMA
Dont confuse this with VoLTE(voice over 4G) as it isnt
This just means that the 3G connection will not be running along with the 4G connection and should save battery.
Select the one corresponding to your firmware and Congrats, now your phone can only connect to 1x and LTE.
Everything will works as it normally would but if you leave the range of a 4G tower it will not automatically switch to 3G.
Thanks:
ClockerXP for the article
rockingondrums for a pic
Evocm7 for a pic
Note: I have not had the chance to fully try this out but it is pretty straightforward.
I do not see this option. Running Clean ROM developer edition (latest version), with just a system UI modification for a more AOSP theme. That mod is somewhere in the thread for the ROM.
My options:
CDMA only
EvDo only
GSM/WCDMA, CDMA, and EvDo (PRL)
CDMA + LTE/EvDo auto
GSM/WCDMA/LTE auto
CDMA/EvDo/GSM/WCDMA/Lte auto
LTE only
LTE, CDMA
:/
Tried setting it to LTE only (hoping voice was just unmentioned) but it didn't work.
rockingondrums said:
I do not see this option. Running Clean ROM developer edition (latest version), with just a system UI modification for a more AOSP theme. That mod is somewhere in the thread for the ROM.
My options:
CDMA only
EvDo only
GSM/WCDMA, CDMA, and EvDo (PRL)
CDMA + LTE/EvDo auto
GSM/WCDMA/LTE auto
CDMA/EvDo/GSM/WCDMA/Lte auto
LTE only
LTE, CDMA
:/
Tried setting it to LTE only (hoping voice was just unmentioned) but it didn't work.
Click to expand...
Click to collapse
forget about you ICS people. You guys definitely have more options. I would go with LTE, CDMA
Can you confirm this and grab me a screenshot of this menu so i can add it to the OP
This screenshot? I set it to lte/cdma
Sent from my ADR6425LVW using Tapatalk 2
LTE, CDMA is the same thing I think.
Because "CDMA only" is no 3G.
con247 said:
LTE, CDMA is the same thing I think.
Because "CDMA only" is no 3G.
Click to expand...
Click to collapse
Lets hope because if it isnt this whole thread is a big flop because there aren't a lot of GB holdouts like me
poison, i've been wodnering WHERE i could set to 4g only to try to force it on my phone, thanks dude!
after coming back to GB, i see w/ voice...but ICS def doesnt. uh oh..might have to label this GB only
Po1soNNN said:
forget about you ICS people. You guys definitely have more options. I would go with LTE, CDMA
Can you confirm this and grab me a screenshot of this menu so i can add it to the OP
Click to expand...
Click to collapse
I'm guessing the "LTE, CDMA" mode is a true hand off operation, rather than keeping both on? Or else there'd be no point, right?
And here's your screenshot. Menu was too long, so I used Paint to splice em:
con247 said:
LTE, CDMA is the same thing I think.
Because "CDMA only" is no 3G.
Click to expand...
Click to collapse
yes this is true
con247 said:
LTE, CDMA is the same thing I think.
Because "CDMA only" is no 3G.
Click to expand...
Click to collapse
CDMA only being lack of 3G... is this on a GB or ICS ROM?
ok guys i edited everything. look at the pictures. Now just gotta resize the pics
Po1soNNN said:
ok guys i edited everything. look at the pictures. Now just gotta resize the pics
Click to expand...
Click to collapse
I already resized my pic for you you're welcome lol jk
Going to try it out and see what happens. But again, am I correct in assuming the LTE, CDMA differs from SOP in that it's a true handoff between the two radios, rather than having both on and powered at the same time?
rockingondrums said:
I already resized my pic for you you're welcome lol jk
Going to try it out and see what happens. But again, am I correct in assuming the LTE, CDMA differs from SOP in that it's a true handoff between the two radios, rather than having both on and powered at the same time?
Click to expand...
Click to collapse
I think you might be confused. CDMA is used for calls and texts and LTE is used for Data and MMS. In this mode the 3G radio isnt even on.
Have tests been run to see if this actually saves any battery?
Po1soNNN said:
I think you might be confused. CDMA is used for calls and texts and LTE is used for Data and MMS. In this mode the 3G radio isnt even on.
Click to expand...
Click to collapse
Yes I am, I always thought VZW's 3G ran on their CDMA network. I guess because I thought ExDo Rev A was part of the CDMA thing. Mobile technology is too convoluted. Too many bands and such haha.
1x - CDMA - voice/text messaging
3g - EvDO - Data
4G - LTE - Data
That's what Verizon uses. LTE, CDMA should be what we want. I'm testing this out and will report back later!
Yeah I'll report back later as well. I think I might turn off Juice Defender so as not to skew my observations.
Im gonna give this a whirl too. I'll report back tomorrow on how well it helped.
jscarano said:
Im gonna give this a whirl too. I'll report back tomorrow on how well it helped.
Click to expand...
Click to collapse
I would do a comparison for with or without this mode set but i only have LTE from 7am to 3pm when i am at school located in the capital city.
jscarano said:
Im gonna give this a whirl too. I'll report back tomorrow on how well it helped.
Click to expand...
Click to collapse
+1

Upgraded to G3 and lost LTE @ home!!

So, I upgraded from the EVO 4G LTE today...
Now at home I can only get 3G instead of LTE!
I could get LTE on the EVO 4G LTE here before, now it's just 3G!
I do get better bars, though.
I have updated the profile and PRL
Is Sprint Spark running off different towers than regular LTE or something? That is the only thing I can think of that would do this.
Any ideas? I know LTE works near Sprint HQ.
Kind of bites, as now I will have to rely on wireless due to Sprint's abysmal 3G network...
Let me know if you have any ideas.
Try settings, network tab, more, mobile networks, network mode. Change it from global to lte/cdma. It seemed to work for me. Same issue.
Sent from my LGLS990 using Tapatalk
pdaddy said:
Try settings, network tab, more, mobile networks, network mode. Change it from global to lte/cdma. It seemed to work for me. Same issue.
Sent from my LGLS990 using Tapatalk
Click to expand...
Click to collapse
Yep works. I did it and drove around a bit and it picked up Sprint Spark LTE. When I got back home, it is now on LTE with half bars (30 Mbps - 45 Mbps_ so I am happy :good:
[edit]
Curiously, this has come back. LTE tries to connect, but then drops to 3G.
Wondering if it's possibly just a tower issue by my home.
It could possibly be because the Evo LTE has 2 radios, while the spark devices only have 1. I've noticed that if I lose connection for any short amount of time, it drops to 3G and stays there for a long time.
I've found that if I
1) Place LG G3 next to window
2 Restart the phone
It jumps to LTE Spark. Otherwise, it defaults to 3G.
I get strong 3G and weak LTE inside, so I imagine the phone thinks I want the stronger connection over the faster one
Kujila said:
I've found that if I
1) Place LG G3 next to window
2 Restart the phone
It jumps to LTE Spark. Otherwise, it defaults to 3G.
I get strong 3G and weak LTE inside, so I imagine the phone thinks I want the stronger connection over the faster one
Click to expand...
Click to collapse
Do you have connections optimizer turned off?
Papichulo06 said:
Do you have connections optimizer turned off?
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Click to collapse
Yes, I had to turn that off immediately because it kept pushing me back on Wireless automatically.
I reproduced this problem elsewhere in my city, where - after a reboot - the phone jumped to LTE Spark.
Kujila said:
Yes, I had to turn that off immediately because it kept pushing me back on Wireless automatically.
I reproduced this problem elsewhere in my city, where - after a reboot - the phone jumped to LTE Spark.
Click to expand...
Click to collapse
Have you tried toggling airplane mode when this happens? To get the radios to reset? Works on my S5. If I drive through a particular part of town my device drops to 3G and won't jump back to 4G without either e reboot or a data radio reset. I've heard the problem has something to do with certain towers needing updates.
DurhamHusker said:
Have you tried toggling airplane mode when this happens? To get the radios to reset? Works on my S5. If I drive through a particular part of town my device drops to 3G and won't jump back to 4G without either e reboot or a data radio reset. I've heard the problem has something to do with certain towers needing updates.
Click to expand...
Click to collapse
That - and the power off/on trick - both work about half the time.
I'm not sure why it is so inconsistent
I use LTE Discovery to reset data sometimes to get LTE connection. Much better solution than a reboot. Plus many other benefits on the app.
{
"lightbox_close": "Close",
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"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Sent from my LGLS990 using Tapatalk
That's awesome; I didn't know about that program.
Kujila said:
That's awesome; I didn't know about that program.
Click to expand...
Click to collapse
Welcome sir, because I'm a nerd, I have that program alert when I'm under spark band
Sent from my LGLS990 using Tapatalk
This is what worked for me...but it resets your phone.
In your Sprint dialer, dial: ##72786#
That should reset your phone completely and give you consistent 4g lte. I had the same problem and thought i was going to have to return the g3, but fortunately that method of resetting fixed my problem. Just to note, hard resetting through the settings menu does not work the same for this situation.
Sent from my LGLS990 using XDA Free mobile app
Yea and when u go into certain buildings thw phone drops to 3g only
Sent from my LGLS990 using XDA Premium HD app
Old thread i know, but this has something to do with the signal threshold. I have been dealing with it for years. Basically if i understand it correctly it will drop to 3g when 4g hots a certain signal threshold. I have found though that even with full 3g signal it is still increddibly slow compared to barely any 4g signal as far as data is concerned. The phone just thinks you are better off with the stronger 3g signal. It is good to hear i am not the only one who thi ks Sprints 3g is pitiful. I cannot load anything with it.....most webpages and apps give up before they load from 3g. I use Intelli3g to force my phone to stay on 4g because I have found that even the weakest 4g is better than my best 3g signal. Although using Intelli3g takes a bit of modding to your phone.... On the LG G3 ls990 it requires root...which is easy....but also twrp manager installed ...then you have to flash Xposed framework.....can be a bit scary but possible. This is the only way I know of to force your phone to stay connected to any signal 4g 3g 2g ect....just select fast network and slow network and flick the switch. This was a must app for me because where i am....signal is the worst. Screenshot of the app I use...

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