1. GMGPR's Avatar
    There seems to be 3 settings: Global, LTE/CDMA and GSM/UMTS
    Which one will provide a longer battery life??
    03-12-2014 05:35 PM
  2. R01k's Avatar
    There seems to be 3 settings: Global, LTE/CDMA and GSM/UMTS
    Which one will provide a longer battery life??
    Is it really going to affect the battery life? I think that those settings just have to do with the type of network you'll be using mainly.
    03-12-2014 06:27 PM
  3. GMGPR's Avatar
    Wasn't sure since I saw other threads where they discussed turning off LTE if it kept searching for it and you weren't in a 4G area. Plus I don't really need Global when I'm in and around a home area.
    03-12-2014 07:20 PM
  4. VidJunky's Avatar
    I'm not sure about Global, however in the past I've seen people comment that GSM will usually provide a bit more battery life between GSM vs. LTE. The reason for this is due to the amount of power your device uses transmitting and receiving at those high speeds. If I'm not mistaken GSM offers 1X up to 3G but will not kick in on the power hungry LTE 4G. Ironically I saw a post not too long ago saying that users were getting better battery life from 4G then WiFi, but of course network eats up your data on limited plans so there's a trade off of dollars for battery life.
    03-13-2014 01:45 PM
  5. GMGPR's Avatar
    It's all so confusing isn't it? And the HTC rep I spoke too didn't think it mattered, but she also said "to improve battery life, try turning down the brightness on your screen." Really? There's a revelation!
    67GTV likes this.
    03-13-2014 05:19 PM
  6. Little Darwin's Avatar
    For best battery life, turn on Airplane Mode...

    But seriously, functionality is my priority, so in the past with Sprint I turned off LTE since it isn't available here, but now that I am on Verizon, I don't want to give up the speed to get an extra half hour out of the battery.

    What I had done in the past was use an app that shut off all data when the screen was off, and then reactivate every 30 minutes to sync everything. It seemed to extend battery life for me. I forget the software name, but I just realized that I would like to try it again on this phone... I'll let you know what I dig up in case it fits with your usage requirements.

    EDIT: Just found it. I use Juice Defender Ultimate, although the free version may do enough, I forget why I upgraded, but I like paying developers for good products anyway.
    03-14-2014 08:42 AM
  7. TBoltJ's Avatar
    These are two different technologies. You dont get a choice. LTE/CDMA is Verizon/Sprint and GSM is ATT/TMobile. Older phones were either GSM or CDMA and were carrier specific. LTE is Verizons 4G. For the One, you have to download a separate app to turn off LTE and only use 3G and below. Be careful, if you dont use Verizon 4G in an area you may not get Verizon 3G but end up on an extended network which can be weaker and then you spend all your time on 1X. If you get weak 4G and your phone spends the day spinning in and out searching for it then it might be worth it. Finally, I also read the post about 4G vs Wifi and I think in a lab, in ideal conditions...but out here in the world where your phone commits suicide looking for that signal that uses less power you can use a lot of power I am on Wifi all day and night and only use 4G when I go out and It may use more but not enough more to hassle over. Good luck!


    I'm not sure about Global, however in the past I've seen people comment that GSM will usually provide a bit more battery life between GSM vs. LTE. The reason for this is due to the amount of power your device uses transmitting and receiving at those high speeds. If I'm not mistaken GSM offers 1X up to 3G but will not kick in on the power hungry LTE 4G. Ironically I saw a post not too long ago saying that users were getting better battery life from 4G then WiFi, but of course network eats up your data on limited plans so there's a trade off of dollars for battery life.
    03-14-2014 03:11 PM
  8. VidJunky's Avatar
    These are two different technologies. You dont get a choice. LTE/CDMA is Verizon/Sprint and GSM is ATT/TMobile. Older phones were either GSM or CDMA and were carrier specific. LTE is Verizons 4G. For the One, you have to download a separate app to turn off LTE and only use 3G and below. Be careful, if you dont use Verizon 4G in an area you may not get Verizon 3G but end up on an extended network which can be weaker and then you spend all your time on 1X. If you get weak 4G and your phone spends the day spinning in and out searching for it then it might be worth it. Finally, I also read the post about 4G vs Wifi and I think in a lab, in ideal conditions...but out here in the world where your phone commits suicide looking for that signal that uses less power you can use a lot of power I am on Wifi all day and night and only use 4G when I go out and It may use more but not enough more to hassle over. Good luck!
    You're right on my Rezound it's LTE or CDMA. I didn't think GSM sounded right but remembered there were 3 choices.
    03-14-2014 06:22 PM
  9. dpham00's Avatar
    Lte/CDMA is the right one assuming that you are on Verizon's network. It shouldn't matter in terms of battery life either global or lte/CDMA. But gsm mode won't work on Verizon's network

    dpham00, Android Central Moderator
    Sent from my Verizon Samsung Galaxy Note 3 via Tapatalk Pro
    03-14-2014 06:32 PM
  10. VidJunky's Avatar
    For best battery life, turn on Airplane Mode...

    But seriously, functionality is my priority, so in the past with Sprint I turned off LTE since it isn't available here, but now that I am on Verizon, I don't want to give up the speed to get an extra half hour out of the battery.

    What I had done in the past was use an app that shut off all data when the screen was off, and then reactivate every 30 minutes to sync everything. It seemed to extend battery life for me. I forget the software name, but I just realized that I would like to try it again on this phone... I'll let you know what I dig up in case it fits with your usage requirements.

    EDIT: Just found it. I use Juice Defender Ultimate, although the free version may do enough, I forget why I upgraded, but I like paying developers for good products anyway.
    Now that you've found it report back if it still works because Google in all their wisdom has taken app control of airplane mode away. But they gave us app control of GPS back after 3 or 4 OSs. 😒
    03-14-2014 07:02 PM
  11. R01k's Avatar
    Unless you go abroad frequently, the only option that you need to select is "LTE/CDMA" for the simple reason that you'll be only using Verizon's CDMA network. In "Global" the phone would switch automatically to the best network type in case that you were in an area and carrier that used both CDMA and GSM. And "GSM/UMTS" is for areas or carriers with that kind of protocols. Again, for Verizon in the US you only need "LTE/CDMA".
    03-15-2014 07:06 AM
  12. Android Optimizer's Avatar
    There seems to be 3 settings: Global, LTE/CDMA and GSM/UMTS
    Which one will provide a longer battery life??
    Some people have stated MMS sends faster when set to Global over the other options. Additionally others have said having Global set leads to less time that the phone is searching for signals. A person in Texas reported when set to LTE/CDMA his/her phone would search for a signal for up to 2 minutes when switching between towers, but when it was set to Global it took 10-15 seconds in those same areas.

    On my old phone (a Samsung Stratosphere) it only had the LTE/CDMA, and CDMA options, and their would be times when my texts (and/or picture messages) didn't go out (staying in pending status), and times when it would say pending and actually have sent. With my new phone (a HTC One m8 set to Global) everything sends right away. I also find places were I encountered low signals, or slow connections with my old phone seem to be connected at 4G LTE, have stronger signal strength, and faster speeds with my new phone. While the phone itself, the texting app (default on the old phone, but Verizon Message on the new), and other things (Android version 2.x vs 4.4.2) may have been factors in the issues I believe the Global setting is a big reason why things run so smoothly and quickly now.

    My thoughts are the less time your phone spends searching for a connection the less battery it will use, and the faster your connection and speed the sooner you are done doing what you were doing, and the sooner you can sleep your phone (using less battery then when your using it). As a result my suggestion would be to use global.
    08-03-2014 04:46 PM
  13. Bam_69_46's Avatar
    There seems to be 3 settings: Global, LTE/CDMA and GSM/UMTS
    Which one will provide a longer battery life??
    I don't know? Not comp. literate
    04-29-2016 03:35 AM
  14. Nor Safari's Avatar
    There seems to be 3 settings: Global, LTE/CDMA and GSM/UMTS
    Which one will provide a longer battery life??
    08-20-2016 11:28 AM

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