Develop Bugs

Disabling LTE (saves battery?) Easy on GS4

Not sure if this was posted already but looking through the menus I found how to easily disable LTE. It's not around here and I read having it enabled eats battery. My HSPA speeds are 5-10 megs which is more than enough for what I do.
Anyway:
Settings
Connections Tab
More Networks
Mobile Networks
Network Mode
Choose GSM/WCDMA (auto connect). 2nd one from the top.
It seems this device sucks up battery at twice the rate of my former Note 2. Maybe this will help.

MisterEdF said:
Not sure if this was posted already but looking through the menus I found how to easily disable LTE. It's not around here and I read having it enabled eats battery. My HSPA speeds are 5-10 megs which is more than enough for what I do.
Anyway:
Settings
Connections Tab
More Networks
Mobile Networks
Network Mode
Choose GSM/WCDMA (auto connect). 2nd one from the top.
I've seems this device sucks up battery at twice the rate of my former Note 2. Maybe this will help.
Click to expand...
Click to collapse
Thanks! this will help alot for sure!

My battery has been pretty decent for the past two days, but I'll try this n see if it gets better. BTW, anyone can show me a pic of their home screen that has the 4G lte icon?
Sent from my SGH-M919 using xda app-developers app

yes , and also can disable the data connection to save it.

4G
MMakoto said:
My battery has been pretty decent for the past two days, but I'll try this n see if it gets better. BTW, anyone can show me a pic of their home screen that has the 4G lte icon?
Sent from my SGH-M919 using xda app-developers app
Click to expand...
Click to collapse
It just says 4G when you have LTE on the Galaxy S4. At least for Sprint anyway. I use Cyanogenmod so mine does say LTE. For AT&T I know for a fact that it says LTE on the top right of the 4G icon.

[INFO] 4G LTE and Battery Life

Just and observation on LTE and battery life if you are in an area that has been refarmed to get LTE but may not have the strongest signal for it yet.
I get constant LTE signal wherever I go in Baltimore. Download speeds are great. But the signal isn't super strong yet. So my phone does a lot of pinging the towers to stay connected. That is the yellow signal in my battery graph. This causes a decent amount of battery drain while the phone is asleep.
But 3G signal is great. That is the green line in the battery graph. You can see that when I switched to 3g (or HSPA as it really is) the battery drain while idle reduced dramatically.
So if you are in an area like this and you really need the battery to last longer, put it on 3G and it should help a lot. At least until T Mobile increases the LTE coverage, which I am sure they will.
And for when you need the LTE speed, I have an LTE button on my quick settings panel to activate it so I still get the speed when I need it, but not the battery drain when I don't. (Note, I'm using cm10.1 rom. I am not sure if the TW roms have that quick setting button available. But it can be done in settings.)
This option is not for everyone. But if you are not a heavy data user like me it might be great for you.
Sent from my SGH-M919 using xda app-developers app

Skipjacks said:
Just and observation on LTE and battery life if you are in an area that has been refarmed to get LTE but may not have the strongest signal for it yet.
I get constant LTE signal wherever I go in Baltimore. Download speeds are great. But the signal isn't super strong yet. So my phone does a lot of pinging the towers to stay connected. That is the yellow signal in my battery graph. This causes a decent amount of battery drain while the phone is asleep.
But 3G signal is great. That is the green line in the battery graph. You can see that when I switched to 3g (or HSPA as it really is) the battery drain while idle reduced dramatically.
So if you are in an area like this and you really need the battery to last longer, put it on 3G and it should help a lot. At least until T Mobile increases the LTE coverage, which I am sure they will.
And for when you need the LTE speed, I have an LTE button on my quick settings panel to activate it so I still get the speed when I need it, but not the battery drain when I don't. (Note, I'm using cm10.1 rom. I am not sure if the TW roms have that quick setting button available. But it can be done in settings.)
This option is not for everyone. But if you are not a heavy data user like me it might be great for you.
Sent from my SGH-M919 using xda app-developers app
Click to expand...
Click to collapse
How do I put it in 4gHSPA +

Awesome advice
Sent from my GT-I9505 using xda premium

thetbg said:
How do I put it in 4gHSPA +
Click to expand...
Click to collapse
There are many apps in the Play Store that allow you to do that.
Sent from my Nexus 7 using Xparent Skyblue Tapatalk 2

Never thought to have data go to 3g and lower.. I've always used tasker to disable... no off screen email but I go in and manually check it anyways so it works for me. I get 2.5 hours out of 1 percent when my device sleeps.

[Q] Nexus 7 2013 - LTE vs WiFi Version

Hi All,
Just like to ask from the users of the LTE and the WiFi only for Nexus 7 2013. Is the battery life a bit shorter when it is LTE? What I mean is if the battery being affected when just using the LTE version at home via WiFi but the radio/network is on because it is LTE version (Data is OFF). Or is there a way to turn off the network when just using at home to not consume more battery.
I'm planning to buy the LTE version to make it ready for data when using outside but my concern is the battery life when just using it via wifi.
Need your advise.
Thanks in advance!

LTE will drain battery much faster. LTE is a hog. I disable it on my Verizon galaxy nexus when not needing 85mbps. 3G 7mbps works fine.
So yes it will. How long? I dunno. Would be cool to see a WiFi vs LTE stream Pandora and how long they last.
Sent from my Nexus 7 using XDA Premium 4 mobile app

player911 said:
LTE will drain battery much faster. LTE is a hog. I disable it on my Verizon galaxy nexus when not needing 85mbps. 3G 7mbps works fine.
So yes it will. How long? I dunno. Would be cool to see a WiFi vs LTE stream Pandora and how long they last.
Sent from my Nexus 7 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
even if using it via wifi at home and the lte data is off? will it still consume some battery? i wonder if there is a way to turn off the radio/network.

You can turn off the LTE radio using airplane mode. You can turn on Wifi while in airplane mode.
With the LTE radio off, there shouldn't be a difference in power consumption between LTE/Wifi version.

tni.andro said:
You can turn off the LTE radio using airplane mode. You can turn on Wifi while in airplane mode.
With the LTE radio off, there shouldn't be a difference in power consumption between LTE/Wifi version.
Click to expand...
Click to collapse
Thanks! I didn't know it will work! i thought airplane mode will turn off both radio and wifi. it's actually working on my phone.
Noob me!
Then I'm going for the LTE Version.

jhannbernas said:
Thanks! I didn't know it will work! i thought airplane mode will turn off both radio and wifi. it's actually working on my phone.
Noob me!
Then I'm going for the LTE Version.
Click to expand...
Click to collapse
Airplane mode disables the mobile radios, but only acts as a toggle for Bluetooth, WiFi, and maybe NFC. If they are on, it will turn them off initially, but you can turn them back on.

I've been thinking about purchasing the LTE version but I've been worried about the lack of development and ROM's for the LTE version. By any chance, are the ROM's cross compatible with each other? If not, I may just have to settle for the wifi version since there's a lot more support for it. :T

Those who have teh LTE version and based in US:
1). Which carrier you picked for the LTE service?
2). How much does it cost and how much data did you get?
I am thinking of getting the LTE version and get a data plan that cost not more than $30 but gets me 3GB of data (unlimited is nice but that's a rarity these days).

If LTE is really such a hog, I haven't noticed it. The tablet easily gets me through a day of use (3 hours commute by train alone, then some music and web browsing during the day) with 20 to 40% battery left when I get home. I've been using it for 2 days without charging thrice and it had 10 to 20% left when I was back home. And I haven tweaked my tablet for battery operation, it has pretty much everything enabled all the time with a slight OC going as well.
LTE just enables that much more usage options for me and cuts out the bother of having a bluetooth or Wifi connection to my phone, which might effect the phone battery life as well (and phone is more important on the go than the tablet). Plus, my phone plan is cheap, but slow data, whereas my tablet plan is cheap with great data.

I have had the 32GB WiFi version and that battery was much batter than the 3G/LTE model. The WiFi one could go days before going dead and the 3G one takes a day or two. Yes I have it on WiFi at home but it's no where near as good as the WiFi only. Maybe I got a bad unit?

i n f a m o u s said:
I've been thinking about purchasing the LTE version but I've been worried about the lack of development and ROM's for the LTE version. By any chance, are the ROM's cross compatible with each other? If not, I may just have to settle for the wifi version since there's a lot more support for it. :T
Click to expand...
Click to collapse
IMO, when I buy devices, phones/tablets, I typically wait a bit to see how development goes, and base my decisions on developers/development working on the units. In this case, I did not, I bought the LTE device and wish I had bought the wifi. Depends what is important for you, mobile data or just jump on wifi when available. Not to disparage the development for Deb, but flo has much more support like you said. Right now I am on stock rom/rooted with Elemental X kernel. Runs great, but right now I am just following particular devs that I like and see how things go. But overall, if you like switching things up you might be better off with flo. To answer your question, some devs make their rom work for both flo and deb, whereas others will be either deb or flo compatible and will state such in the OP. You cannot take flo and install it on deb without issues.

Battery Drain and Cell Standby

I was comparing my S5 battery usage with my S6 last night, while I slept, and after 7 hours S5 = 93% and S6 = 82%. I have the update and I'm not rooted on the S6 and I'm rooted and have a ROM on my S5. I tried to have comparable things running. The biggest offender on the S6 was Cell Standby @ 7%, then Google Services @ 3%. What the heck is Cell Standby and how do I reduce the usage? What is Google Services and how do I reduce that. I had WiFi, Bluetooth and background sync all disabled. I'm ready to return my phone to Costco and go back to my S5. I cannot deal with such crappy battery life. As I write this 1 hr and 15 minutes later I've used my phone several times to look at traffic on Google Maps, and the battery is now at 74%. Please help. Thanks in advance.

I rooted my s6 and flashed ktoonsez kernel and lost 1% of battery within 8 hours of sleeping. Cell standby is when ur phone tries to find signal. If ur in bad reception area it will eat up alot of battery

jminor4326 said:
I was comparing my S5 battery usage with my S6 last night, while I slept, and after 7 hours S5 = 93% and S6 = 82%. I have the update and I'm not rooted on the S6 and I'm rooted and have a ROM on my S5. I tried to have comparable things running. The biggest offender on the S6 was Cell Standby @ 7%, then Google Services @ 3%. What the heck is Cell Standby and how do I reduce the usage? What is Google Services and how do I reduce that. I had WiFi, Bluetooth and background sync all disabled. I'm ready to return my phone to Costco and go back to my S5. I cannot deal with such crappy battery life. As I write this 1 hr and 15 minutes later I've used my phone several times to look at traffic on Google Maps, and the battery is now at 74%. Please help. Thanks in advance.
Click to expand...
Click to collapse
I work for Sprint (not an official spokesperson or anything, so don't think my word is an official statement representing them), and I had a similar issue with the Nexus. I saw it again on the S6, so I tried the same thing I did on the Nexus 6, and it got way better:
Settings->Mobile Networks->switch to LTE/CDMA
Also be aware that if your bedroom is in an area of the house that doesn't get good reception, it's going to drain the battery trying to find it, like the other user mentioned above. Change it and see if it helps.

Xylomaphoner said:
I work for Sprint (not an official spokesperson or anything, so don't think my word is an official statement representing them), and I had a similar issue with the Nexus. I saw it again on the S6, so I tried the same thing I did on the Nexus 6, and it got way better:
Settings->Mobile Networks->switch to LTE/CDMA
Also be aware that if your bedroom is in an area of the house that doesn't get good reception, it's going to drain the battery trying to find it, like the other user mentioned above. Change it and see if it helps.
Click to expand...
Click to collapse
Actually I have done the exact opposite and changed it to CDMA only mode and ever since y battery has been amaizng.

If you switched to cdma only. Do you still get 3g/lte?

JoeFCaputo113 said:
Actually I have done the exact opposite and changed it to CDMA only mode and ever since y battery has been amaizng.
Click to expand...
Click to collapse
That's not surprising if you're in an area that hasn't completed the spark/LTE upgrades, but not that would won't be able to get full speeds in that mode.

Xylomaphoner said:
That's not surprising if you're in an area that hasn't completed the spark/LTE upgrades, but not that would won't be able to get full speeds in that mode.
Click to expand...
Click to collapse
Making these changes has made a big difference. Thank you for the explanation and suggestion. I leave my phone in the living ara at night and I do have reasonable cell service. If I make the setting for CDMA only, not LTE/CDMA under Settings->Mobile Networks, will LTE still work automatically.

I would assume you're going to lose LTE by going to just CDMA....and Sprint's 3g is poor so losing even average LTE is not desirable for me.

crazymook said:
I would assume you're going to lose LTE by going to just CDMA.
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Click to collapse
Duh haha.

JoeFCaputo113 said:
Duh haha.
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Click to collapse
More replying to everyone else asking.
Sprint's 3g is garbage...I'll take any battery hit not to have to sit on 3g, ever, haha.

crazymook said:
More replying to everyone else asking.
Sprint's 3g is garbage...I'll take any battery hit not to have to sit on 3g, ever, haha.
Click to expand...
Click to collapse
Sprint in general is pretty trash lol... been wit em since they were Nextel (roughly 15+yrs) -_-

JoeFCaputo113 said:
Sprint in general is pretty trash lol... been wit em since they were Nextel (roughly 15+yrs) -_-
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Click to collapse
Same. I dont know why I stick with them, other than the fact I'm on employee pricing and I cant beat my plan.

crazymook said:
Same. I dont know why I stick with them, other than the fact I'm on employee pricing and I cant beat my plan.
Click to expand...
Click to collapse
Unlimited everything is why I stick wit em haha. Plus them & T-Mo are the only carriers with unlimited plans, wifi calling AND unlocked bootloaders!

All the promises of a better network is such a crock tho.

crazymook said:
All the promises of a better network is such a crock tho.
Click to expand...
Click to collapse
CDMA only means you're not going to get LTE.
Regarding Sprint's service, it got very rocky when they started upgrading the network, but has gotten so much better, at least in my area. I get LTE pretty much everywhere I go now. I lose it at the gym sometimes, but that's about it.

Its such crap that Google removed the ability to toggle LTE on or off via a widget or toggle switch (you cant even toggle data on or off, you need to manually go to the networks page).

crazymook said:
Its such crap that Google removed the ability to toggle LTE on or off via a widget or toggle switch (you cant even toggle data on or off, you need to manually go to the networks page).
Click to expand...
Click to collapse
Verizon and AT&T can on their S6's -_-

How lovely for them

It helped
Xylomaphoner said:
I work for Sprint (not an official spokesperson or anything, so don't think my word is an official statement representing them), and I had a similar issue with the Nexus. I saw it again on the S6, so I tried the same thing I did on the Nexus 6, and it got way better:
Settings->Mobile Networks->switch to LTE/CDMA
Also be aware that if your bedroom is in an area of the house that doesn't get good reception, it's going to drain the battery trying to find it, like the other user mentioned above. Change it and see if it helps.
Click to expand...
Click to collapse
It helped, Thank you. Mine had gone to "automatic" so I changed to the LTE/CDMA and battery is better. Thanks again.

If LTE/CDMA gets turned on will the phone still fall back to 3G?

Why will my OP3 almost never connect to 4G 99% of the time?

My OP3 refuses to pickup 4G in places that my old iPhone 5s and 6P always did. Why is this?

we don't know, we do not know where u r at or what carrier u are on and by 4G do u mean LTE

I got this the first 2 hours that I used my new OP3. It stayed on H+ for 2 hours then without reboot or anything and not even moving, it got LTE.

Le_Zouave said:
I got this the first 2 hours that I used my new OP3. It stayed on H+ for 2 hours then without reboot or anything and not even moving, it got LTE.
Click to expand...
Click to collapse
But I've had it for days now.. it just stays on H all the time (it changes to LTE symbol maybe once every hour for a few minutes)

gman88667733 said:
But I've had it for days now.. it just stays on H all the time (it changes to LTE symbol maybe once every hour for a few minutes)
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Click to collapse
What carrier are you using?
Sent from my ONEPLUS A3000 using XDA-Developers mobile app

jdawgg21 said:
What carrier are you using?
Sent from my ONEPLUS A3000 using XDA-Developers mobile app
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Click to collapse
3 UK. My old iPhone had 4G all the time

gman88667733 said:
3 UK. My old iPhone had 4G all the time
Click to expand...
Click to collapse
Check your APN settings and make sure they're the latest for your carrier.
Sent from my ONEPLUS A3000 using XDA-Developers mobile app

I am having the same issue. I am on Bell in Toronto Canada. Some areas cannot get LTE. Some times my data just hangs showing full bars. Can't receive or make calls or texts. There are a few threads on different forums with people having the same issue. Hoping it is just a software bug that can be fixed with an update.

I'm O2 Germany and have a really good LTE reception. Look up what LTE bands your carrier is using and compare it to the specs of the OP3. Maybe that's the issue. You can also try to enable flight mode for a few seconds then disable it and the phone will connect new and then you might have LTE.
edit: Seems like Bell Canada is not fully supported but 3 UK is.

Gerrit507 said:
I'm O2 Germany and have a really good LTE reception. Look up what LTE bands your carrier is using and compare it to the specs of the OP3. Maybe that's the issue. You can also try to enable flight mode for a few seconds then disable it and the phone will connect new and then you might have LTE.
edit: Seems like Bell Canada is not fully supported but 3 UK is.
Click to expand...
Click to collapse
I get LTE fully at work just fine. But around my house and the neighbourhood where I live, I only get 3G whereas I used to always have 4G!

gman88667733 said:
I get LTE fully at work just fine. But around my house and the neighbourhood where I live, I only get 3G whereas I used to always have 4G!
Click to expand...
Click to collapse
Hm I can recommend the app LTE Discovery. Then you'll see if there is any LTE network around you and if the phone receives it.

Gerrit507 said:
I'm O2 Germany and have a really good LTE reception. Look up what LTE bands your carrier is using and compare it to the specs of the OP3. Maybe that's the issue. You can also try to enable flight mode for a few seconds then disable it and the phone will connect new and then you might have LTE.
edit: Seems like Bell Canada is not fully supported but 3 UK is.
Click to expand...
Click to collapse
I have also the OnePlus X and that always gets LTE and it supposedly supports less bands.

gman88667733 said:
3 UK. My old iPhone had 4G all the time
Click to expand...
Click to collapse
I already posted a thread about this, it's not just 3 either that is having this problem
http://forum.xda-developers.com/oneplus-3/help/radio-problems-t3405636/post67479458#post67479458

I understand the icons are not showing you what you want to see but how about the speeds? Did you do a comparison or is this all strictly off of H v LTE icon?

playya said:
I understand the icons are not showing you what you want to see but how about the speeds? Did you do a comparison or is this all strictly off of H v LTE icon?
Click to expand...
Click to collapse
Off of the H vs LTE icon to be honest

I am using my OP3 with mobile internet, using google map a lot. But the google map app eating too much data. Even if i download the offline map and trying to use offline the navigation. If i try to use the offline pre downloaded map without internet connection just does not work. After few seconds or minutes the map will become „blank” means no can see the streets and roads. Nothing at all. But if i turn back the internet on my phone everything coming back. But the point is, that is why i want to use offline maps to save my data bundles.
On my OPO it was not a problem, if i was using the offline map and turning off my mobile internet connection the google map was workng fine. I am using CM13/ Marshmallow on both phone.
Also it has never eat so much data like on OP3.
I am on Tmobile UK and using a 1GB data bundle per month. Before was using my OPO the 1 GB data was more then enough for a month using google map almost every day around 7-8 hours a day. I need the google sat nav for my everyday work so that is why using a lot.
But with OP3 only yesterday i was using almost 200MB and it was all the google map.
I was trying to disable background data traffic on the settings, and also the google map settings has some option but just does not help.
If i download the desired map via wifi and after trying to use the map offline it just become „blank” the map. I need to use the mobile internet to be able to use the offline map. Annoying…

AT&T in the US. I can't get LTE at work. Only H+, and sometimes just 3G.
My issue is that when I get into an area that is LTE for certain, the device doesn't pick it up. It stays in 3G or H+.
I then have to toggle the SIM settings on and off for the device to get LTE. Then it is fine until the next time I go into am area without LTE.
My apn settings are correct and my IMEI is mapped correctly.
Changing to LTE only won't work because then sometimes I would have no signal.

Have you installed OOS 3.2.4? If so go back to 3.2.2. There are known connectivity issues with 3.2.4. There's a little more info on the official OnePlus Community forum in case your interested.

best phone for 2016 but with this issue of signal not to good, samsung always stay on 4g as preferred network or if you want 3g it will stay forever with no issue, op3 fix this issue please i love this phone
i'm having the same issue on 3.2.2 and 3.2.4 always the signal drops from 3g to 2g i need to be switching the preferred network type from 3g to 4g LET
i use tigo and claro carrier

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