I've noticed that if I leave my phone in an room that has a weak wifi signal, my current use is always around -100mA a minute whereas when I have a strong signal it is only -6mA. I have tried multiple 2.3 roms and they all have the same behaviour (haven't had time to try 2.2). Is there any way to just drop the connection when it's weak? I've noticed it happen by itself sometimes but it stays with the weak connection for long enough to cause significant battery drain. I tried looking in tasker but there is no wifi strength variable
On [ROM-AOSP GRH78C] Oxygen v2.0-RC7:
Settings > wireless connections > wifi settings > wifi policy set to "go to sleep when device sleep"
And you are done _ only 14% drain on wifi with poor signal after 10 hours powered on. Hope it helps you
My last piece of work
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i've been using T-Mobile WiFi calling for a few weeks now, and for the most part battery life seems good, maybe even better than without.
However, last night it sucked 30%+ of my battery with a partial wakelock overnight without me even touching my phone. Anybody seen this before or have an idea on how to keep it from doing this?
Oddly enough, under Better Battery Stats, it's listed as AlarmScheduledService, but just to make it clear I had no alarms scheduled. Under Android's native battery usage display, it first showed up as *wakelock* before resolving into IMS Service.
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Ive noticed the EXACT same thing... id go to sleep and wake up with like 40% battery missing... stopped using wifi calling problem went away :\
I noticed this back in LIH beta release, and it's also true now with a LJ7:
http://forum.xda-developers.com/showpost.php?p=32844247&postcount=4
If you use a Verizon roaming prl like 12121 (not roaming - Sprint 3g, roaming - Verizon 3g), and then force roaming with Roam Control, the phone battery drains very rapidly.
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Here I lost nearly 30% battery under 2 hours with 6 min screen on time and 6-bar signal strength (to a Verizon 3g).
This does not happen if you use 00001.prl, which just connects to Verizon 3g towers by default. The battery drain under those condition is roughly the same as with a good signal on Sprint.
Does anyone else experience this?
How do you fix this?
So, generally, just about everyone say wifi off is best to save battery life.. How so? With wifi on (while connected to a connection), your phone doesn't have to strain itself using 1x or 3g or any of that but simply uses the wifi smoothly with ease.. I personally tend to get much better battery life with my wifi on due to all the Facebook and xda and Web browsing I do..
Is it just me or does wifi seem to keep power drain lower?
I stay connected to wifi while at work and home and I think I get great battery life. Today at work our wifi was down so I had to connect using 3G. My battery dropped 5% in 30 min with the phone just sitting in standby. So yeah I think it is better using wifi.
Sent from my SPH-L710 using XDA
Basically if you are Wi-Fi Connected it will save you battery, but if you aren't connected to any network it will drain your battery looking for one.
Sent from my O=O
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Okay so I've never had a single problem with wifi before on the g3. But yesterday I flashed twrp in order to prepare for the updated 10m. That is the only change I made. Since then it seems that wifi keeps going "disabled"
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So I took this screenshot and then decided to remove some old chromecast networks and take a new screenshot that was cleaner and now it's no longer disabled.
Now if I set down my phone for 5 minutes I'll lose connection again and when I pick it up it will say disabled. I have to toggle wifi on off, airplane mode, or restart to get the wifi to actually pick up signal after it going disabled. Even after the second screen shot where it shows its connected I actually had 0 wifi bars and it won't get any until I restart.
What's going on?
I am testing on an LG G3 and am having the same issue. I really could use an answer to this ss i have to frequently test connecting to wireless cards and the phone keeps listing them as disabled exactly like Derekwolfee described.
For past few days I am getting sudden signal drops on my pixel 2 xl on LTE.
I found it out when I restarted my pixel, at first the signal strength will be around -85dBm to -95dBm and I'll get good speed but then suddenly after some random time it drops to -100, -105 and the speed degrades drastically. The signal strength never recovers back to -85dBm to -95dBm.
The time to signal drop is completely random, sometimes its 2-3 mins some times it 20-30 seconds. Does anyone have idea around this ? Is this because my phone is switching towers or is it because of software issue ?
Can anyone help me out to debug this ? any tools, any app, any advice, any posts will be really helpful.
I tried to check network info by *#*#4636*#*. I didn't find any differences adding the screenshots here as well.
Good signal
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Poor signal