1. fordhamtroll's Avatar
    Hi everybody,


    I'm somewhat new to Android and the forum, so I'm helping somebody can impart some advice regarding keeping wi-fi on during sleep. I have a T-Mobile Note 4 and was wondering if I set this to always, only when plugged in or never ( it says this option increases data sage but I have an unlimited data plan). If it matters, I'm never on wifi. Thanks.
    12-01-2014 08:22 AM
  2. fordhamtroll's Avatar
    anybody? I'm looking to conserve as much battery as possible fyi. Thanks again!
    12-01-2014 09:16 AM
  3. spinalpap's Avatar
    If you never use Wi-Fi, and you have unlimited data, you can just leave it turned off all the time. The increase in data usage only comes from never connecting to Wi-Fi to consume data that way. As you have unlimited data, it probably doesn't matter to you.

    Posted via the Android Central App
    12-01-2014 09:24 AM
  4. fordhamtroll's Avatar
    Thank you very much!
    12-01-2014 09:55 AM
  5. Nitro211K's Avatar
    Hi everybody,


    I'm somewhat new to Android and the forum, so I'm helping somebody can impart some advice regarding keeping wi-fi on during sleep. I have a T-Mobile Note 4 and was wondering if I set this to always, only when plugged in or never ( it says this option increases data sage but I have an unlimited data plan). If it matters, I'm never on wifi. Thanks.
    Just to give you a bit more detail on what this is. When your phone is in "sleep" mode, i.e. when your screen is off. If you select "always" wifi will stay on, if you select "never" wifi will only come on when you wake up the phone (turn the screen on). So if you have it on never, some apps that need to sync (such as e-mail apps) will not do so until you wake the device up. So if your phone is in your pocket for an hour, you will not get new e-mails until you wake the phone up. However some apps that run in the background will use the cellular data to sync, and thus increasing data usage, (since you have an unlimited plan you don't have to worry about that, however those who don't make sure to also turn-off data as well, if you want to select the never option). Finally having "never" on will save battery since wifi will be off during sleep.
    12-01-2014 10:37 AM
  6. Javier P's Avatar
    anybody? I'm looking to conserve as much battery as possible fyi. Thanks again!
    Using mobile data is going to consume more battery than with WiFi. So battery wise, the best thing could be using it when available.

    Through the quick settings (or with some third party app) you can switch easily between mobile and WiFi.
    12-01-2014 10:49 AM
  7. mikehoff99's Avatar
    go into wifi settings, by long pressing the wifi button or just go through settings. long press the capacitive multi window button, or menu button from right upper corner, click on "advanced". 4th option down "keep wifi on during sleep. hope this is what you were looking for!
    12-01-2014 11:57 AM
  8. lukasz123's Avatar
    keep wifi on during sleep: ALWAYS
    it will help you preserve battery (wifi takes less energy than 3g/4g connection)
    04-23-2015 10:50 AM
  9. natehoy's Avatar
    This is a tough balance, and battery savings is going to be conditional on various things.

    First and foremost, if you never run any apps that pull data in the background, having WiFi turn off during sleep is the best way to go. Since you are not using any sort of data connection, it's a no-brainer that turning off an unused radio is going to save you some battery. Of course, very few people do that. But just sayin'...

    If you do, like 99% of us, have apps that pull data in the background, then your battery use is going to depend heavily on the amount of data you pull, how strong your WiFi signal is, and how strong your Mobile data signal is. If you just have a couple of apps like email and weather polling for updates occasionally and you are in a nice strong mobile signal zone, the overhead of keeping WiFi on all the time isn't worth it. That goes double if the WiFi signal is at the ragged edge of acceptable and keeps cutting out.

    If, on the other hand, your apps are going to be moving a lot of data about in the background *or* you are looking at 2 bars or fewer and/or are using an older protocol like 1XRTT or EDGE (and especially if all are true), that mobile connection is going to drink battery faster than a thirsty camel at the first oasis it's seen in a month.

    But, most importantly, if you are on a limited data plan and you tend to push the limits of your plan and overages are expensive, there may be more important details than a few percentage points of battery consumed by having the WiFi radio on when not in use.
    04-23-2015 11:27 AM
  10. Tabrez Khan703's Avatar
    Thank you bro. Very clear and exact reply. Thank you very much.
    07-31-2016 07:48 AM

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