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Which is better for the batterylife, 3G or Wifi?
At home and at work I'm connected to Wifi, but yesterday I noticed when I turned off Wifi and used 3G instead 3G seems to use less battery. However, this could also be because of several wakelocks I had when I was using Wifi.
I would understand Wifi is better for heavy internet use and 3G for push messages, but I couldn't find an answer anywhere on the forum, sorry if I missed it.
Bommeke said:
Which is better for the batterylife, 3G or Wifi?
At home and at work I'm connected to Wifi, but yesterday I noticed when I turned off Wifi and used 3G instead 3G seems to use less battery. However, this could also be because of several wakelocks I had when I was using Wifi.
I would understand Wifi is better for heavy internet use and 3G for push messages, but I couldn't find an answer anywhere on the forum, sorry if I missed it.
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Hi there!
Wifi uses a lot less battery life, especially if you browse or do anything.
Having wifi ON always uses a certain amount of battery life, now, if you're receiving emails, downloading, browsing, it easily makes up for it. The reason for this is that Wifi is a "local" communication signal. It's for short distances, therefore your phone doesn't have to emit that strong of a signal, nor does it use up that much battery to receive. So Wifi is the way to go if you're just going to use it even a little bit.
3G uses more energy because of the radio spectrum itself and the distance and having to maintain it. It's true while having wifi you also maintain 3G, but you're not emitting constant data, it's just the "I'm still alive" packet to your operator.
Summary:
Use wifi if you're going to use your phone on the internet even a little bit. Turn it off when you don't have wifi near you, otherwise it'll be looking for a new wifi hotspot and that'll drain some battery.
Don't use wifi if you're not home.
Thanks for the clear answer!
Glad to have helped
New problem
The last 2/3 days my batterylife decreased. My phone was awake most of the time even though the screen was off and this hadn't happened before. After installing BetterBatteryStats (BBS) I could see the process wlan_rx_wake was on top (about 6,5 hours of the total 10 hours the phone was on).
My first thought was some app was responsible for this, however when I turned off Wifi and started using 3G again my batterylife seems to be normal again. Checking BBS the wlan_rx_wake seems to be renamed to deleted_wake_locks.
The last things that changed just before the problems started occurring was installing the Facebook and Twitter app, and updated to the latest ICS Vertumes theme (I was on 1.5 and now I'm on 1.6). So I uninstalled the Facebook and Twitter app but this didnt help at all. I already uninstalled Google Maps. The only thing I haven't tried yet is changing to the original theme, but it doesn't make sense this could be the solution.
Any ideas?
I had the same problem with the twitter app, it kept waking my device so i uninstalled it and use Ubersocial now.
I use Juicedefender (Ultimate version if you want to pay)
Juicedefender can turn off your wifi and 3g when your screen is off. It can be set to ping your data/wifi every few minutes if required to check emails tweets.
But Twitter nor Facebook is the problem. When uninstalled the problem still exists. Dont want to turn off wifi or 3G when the screen is off as then my mail or whatsapp wont sync.
Read something that it could be the type of router, but this isn't it as well. I've got the problem at home, work and at my parents house. All different routers.
Think I might just do a full-wipe and hope that solves it..
Before you do a full wipe try freezing Wifi Sharing and Wifi Sharing Manager with Titanium or Bloat Freezer Free to see if that makes a difference.
Sorry I recognize twitter was not an issue for you, it was the app that first alerted me to my issues about the wakelocks
LocationManagerService
Hmm... LocationManagerService is active over more than 4 hours. What could that be? GPS and the Google location stuff is already disabled..
logout of maps and check if that helped.
---------- Post added at 12:22 AM ---------- Previous post was at 12:17 AM ----------
wakelocks by apps that needs to sync can still be left even if u have deleted the actual apps that's requesting on-line data.residuals i would say.but try to check each and every apps that you have installed and see if they have sync or update requests and prolly modify them to manual.see also if ICS has a push notification request like "send errors to" or "check updates"
3G ofcourse
Maybe it's the kernel. Currently using Speedmod K2-18-test12. Lost 50% battery during the night. The phone wasnt awake but didnt enter deep sleep either.
Will try Speedmod K2-18-test16 next. If that doesnt solve it I'll try a whole different kernel.
Hello experts,
I've been using my trusted S II for several years, when only half a year ago I rooted it and installed NeatROM on it (jellybean). Even before the rooting, probably after upgrading to the official jellybean, I was experiencing the following scenario:
I put the phone on airplane mode when I fly, or simply turn off both Wifi and Data (over 3g cellular network), so to reduce the battery consumption when I go to bed and don't want to be woken up by texts at 3am. I also turn off Sync option so that different apps (like gmail or calendar) won't wake up the device and try to connect to the internet every minute (and fail).
Then after a long period I turn on Data or wifi, and then - BOOM - a massive drain of the battery, which is accompanied by sluggishness in responses to me pressing the screen or even pulling down the status bar. It is as if all the apps that need an internet uplink - Facebook, Messenger, Whatsapp - wake up at once and try to get online together.
Does anyone else experiences this kind of effect? Is there a way to fix that?
Thanks in advance.
Has anybody got Cloud Sync to work?
I want notifications to go to my watch without a bluetooth connection.
I can connect the watch to wifi but I can't get any updates from my watch.
I have the same problem. I am using a Note 4.
I already did a reset without a result .
The asus support could not help me.
It seems that not many owners tries to use this feature. Would be interesting if any zwatch 2 works with wifi.
I know mine does not respond to 'OK Google' when I am out of BT range, even if it says it is connected to WiFi. I do seem to be able to get notifications though, and I have always been able to execute Tasker Tasks from Wear Tasker.
But Android Wear docs say "OK Google" should work. I have seen similar reports from others using different watches so I am guessin this is just some typical broken Google goodness we'll have to wait for them to straighten out.
I used to have tons of sync issues with my Zenwatch (both first, second gen), and this trick solved all my issues - have no idea how and why, but it worked:
Just let my Zenwatch battery go empty, did not charge it for 4-5 days, than recharging. It connected my phone (mate 7) again normally, and all syncs (in my case weather, notifications, step counts) worked fine again - permanently. NO idea how it works (emptying cache watch?), but it worked for me.
All other suggestions of forums (re-installing, reconnecting): not..
Jus my 2c
After a bit of research and some common sense troubleshooting, I have my watch working as expected on my local Wi-Fi network.
I read something somewhere that Wear has had some issues on higher Wi-Fi channels. I also downloaded WiFi Analyzer to check used channels in my area. All APs were in the neighborhood of ch 6-11.
I forced my router to ch 1 and bingo. Phone is now upstairs at the other end of the house and everything is working great, including 'OK Google' (knock on wood).
My ZW 2 has a working wifi connection (2.4Ghz Port1). I know that because google maps on the watch is working even when the phone is switched off.
My problem ist, that no notification appears on the phone and no "ok google" command works, when phone and watch are only connected via wifi and bluetooth is switched off.
The asus support told me, that i am the only person with this problem who contacted them.
Seems to be a problem with my galaxy note 4.
I will give it a try with a xperia z3 compact the next days.
I can´t believe this is a hardware problem.
roboterente
Bought new Amazfit Bip recently to replace Pebble. Great watch with amazing battery life, but the Bluetooth connection to my phone (Nexus 6P) drops randomly dozens of times a day even when within close range (less than 2m with direct line of sight). Anybody had similar problems with this watch? If so then it's a real design issue. No similar issues with Pebble - always good up to 5m+.
Try to install amazfit watch app on your phone again. It's an error of this app, sometimes, it'll make your watch battery drain quickly.
Make sure you allowed the app that runs on phone to stay running in the background, give it permission to access notifications and remove it from battery saving configurations. If you still have problem, some people related issues with WiFi/Bluetooth signal conflict, you may want to test with WiFi off, or better yet airplane mode and only BT on. If it still doesn't work, test with another Bip, yours may have a hardware issue (my first pace had no GPS signal, and both WiFi and BT were very weak, constant connection drops when using a BT headset, for instance).
Hi, i have a new Amazfit 2 Stratos with official international firmware US FW (2.3.2.7) and noticed cases where the battery would rapidly drain within hours, for example I would go to sleep with 60% battery and 6-7 hours later it would be on 5%...
I then noticed that if i reset the device, the rapid battery drain would stop, for example i noticed a rapid drain of 10 % an hour, so i reset the device and it stopped draining the battery...
Which made me think there is a stuck process or some firmware issue that keeps draining the battery, and I now reset my device every morning which makes it lasts days.
Anyone else noticing battery drain issues?
Having the same issue. What watch face are you using? I'm trying to narrow down the issue.
I've noticed the same after converting from Chinese to US. I'm thinking it might be caused by WiFi (or something using it) as it didn't start happening until I added my network.
...
try to install Task Manager and you can kill some processes which are maybe draining your battery. I use it as i have plenty of apps there.
I found the cause - the data sync. Each time you access the app on your phone, it syncs the data.
When you disable the wifi/data connection on your cell and access the app (while watch is paired), it tries to sync and fails. Problem is that it seems to be stuck in a loop until data connection is available and by then the battery depletes rapidly.
Solution - don't access the app while there is no connection in your phone to wifi/data.
Not sure if this is the only case when the watch syncs data - it might be syncing it automatically each day at a specific time - will post more info if i find out.
I also don't know if this bug is caused by the new firmware or not because i received the watch only last week and immediately updated to the new version based on the notification in the app.
It seems there is also a difference in battery use when using different watch faces. For example, I've observed that a watch face with no temperature will consume less battery than with a watch face with a temperature reading.
Anyone with similar experience?
I've bought an Amazfit Pace that sufered from same issue, te battery starts to drain all the way down in a couple of hours, so i returned it and decided to buy the Stratos, and guess what?
I have exact the same issue.
Tryed some things and i think the cause is related with smartphone bluetooth, in my case OnePlus 5T bluetooth.
If i desconnect smartphone bluethoot it stops draining, if i put it on again it starts draining again, if restart smartphone it stays good until it happen again next day or so.
Problem with battery discharge Amazfit 2
Hi, I also have a battery discharge problem. The watch battery will start to discharge quickly when I turn on the amazfit application on my phone. When the phone is restarted and I do not go to the Amazfit application, the watch connects everything works and the flashlight is ok, I turn on the application amazfit and the torch goes down. Tonight I put the plane on the phone and plugged in only the bluetooth and my watch was discharged in the morning. The red bar at the bottom of the amazfit app only appears when I'm not connected to the internet, I'm connected all the time. I have amazfit 2 China, recorded by Rom 2.0.14.0, Amazfit Watch 3.0.0 and HUAWEI Mate 10 lite
So it has exactly the same bug as the first one... (and I have it on my wrist). Well time to go back to regular (but expensive for nothing) watches
You may want to check this post/thread:
https://forum.xda-developers.com/sm...ain-issues-t3636166/post76189539#post76189539
Basically what usually cause these problems are wither data sync issues or a problem with Bluetooth/WiFi.
paulomodesto said:
I've bought an Amazfit Pace that sufered from same issue, te battery starts to drain all the way down in a couple of hours, so i returned it and decided to buy the Stratos, and guess what?
I have exact the same issue.
Tryed some things and i think the cause is related with smartphone bluetooth, in my case OnePlus 5T bluetooth.
If i desconnect smartphone bluethoot it stops draining, if i put it on again it starts draining again, if restart smartphone it stays good until it happen again next day or so.
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I noticed the same issue with my pace on my OP5 after à phone update. Tried to reset, pair un pair still the same.
Issue was removed after oxygenos 5.1.0 but immediately back after last oxos 5.1.1
To move on I paires the watch to my xiaomi mi5 on global stable rom Android 7, all is fine.
Seems many phones are bt broken with oreo.
Envoyé de mon ONEPLUS A5000 en utilisant Tapatalk
I think too, that this is some sync related issue. If I check the watch data in the Amazfit app, then the watch starts to drain with 2-3% per hour. However if I exit the app and turn off Bluetooth on the phone till the notification icon and the watch show disconnected and then turn back BT to get the watch connected again, the battery consumption goes back to normal.
Opening the app again starts the battery drain issue again.
I wrote it already in another thread here, I own an Amazfit Pace, of course with battery drain issues. So I tested a bit. When the phoneapp is syncing it shows an information field at the bottom, this field becomes green when finished. But a few seconds later another datasync is made, not shown in the app but indicated by network speedmeter in androids statusbar. I think weather is syncing there but if you aren't aware of this and close the phoneapp before this second sync is finished, the watch runs into battery drain.
Since I wait 10 seconds after the app shows the green sync complete field I never had drain issues again.
amazfit watch app
I have the opposite problem. My phone battery drains like crazy. I have the Stratos for 2 days /int. version/. It works great, battery life is excellent. I suspect the Amazfit Watch App /Android/ is the culprit. I have to charge my phone 2-3 times daily??!
I think my Stratos worked fine until I activated the 'continuous HR' feature (and switched it off again). Before that, it would easily last for 5 days on a full charge. But I also get these fast drains now.
I restarted the watch a couple of times, let's see if this did it.
I've had the same issue a while ago (also after testing the continuous HR feature), and there I really had to reset the watch and reboot 3 times to get it back to normal again.
nickyzweb said:
I have the opposite problem. My phone battery drains like crazy. I have the Stratos for 2 days /int. version/. It works great, battery life is excellent. I suspect the Amazfit Watch App /Android/ is the culprit. I have to charge my phone 2-3 times daily??!
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Something is breaking the Bluetooth connection between phone and watch, the most common cases are WiFi interferences (test with phone in Airplane mode and only BT on and see if battery usage is OK on phone) or corrupted data when syncing to the cloud (open Amazfit app and check if syncing is OK - you should see a green bar at the bottom -, you may need to unpair - it will delete all data on watch - then pair again and answer NO when it asks to restore old data).
Indeed seems bt is corrupted. When draining occurs, even if I switch off the bt from the phone, the icon on the watch says it is still connected. Again for me this does not occur on nougat, only when pairing with oreo device.
lfom said:
Something is breaking the Bluetooth connection between phone and watch, the most common cases are WiFi interferences (test with phone in Airplane mode and only BT on and see if battery usage is OK on phone) or corrupted data when syncing to the cloud (open Amazfit app and check if syncing is OK - you should see a green bar at the bottom -, you may need to unpair - it will delete all data on watch - then pair again and answer NO when it asks to restore old data).
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Envoyé de mon ONEPLUS A5000 en utilisant Tapatalk
I also have battery drain problem. Every setting is swithed off, no connection to the phone but in activity mode (cycling) I get 1h 30m of battery life.
Mihakol said:
I also have battery drain problem. Every setting is swithed off, no connection to the phone but in activity mode (cycling) I get 1h 30m of battery life.
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Did you find a solution or did you send back the watch ?
so until how do not know what is the culprit?
mine one can last one day......