With my nord 2 I can't established more than 2 minutes of bluetooth connection.
All battery optimization disabled!
Any more?
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I'm wondering if anyone else has encountered this.
I don't have 3g signal or wi-fi at work, but I do have a laptop connected to a network. I use this trick to create an ad-hoc wifi connection from my laptop to my phone in order to get data:
http://www.brighthub.com/computing/windows-platform/articles/7785.aspx
I've been using this for a while, for both my Nexus One and Nexus S. On both phones, the battery drains significantly while connected via the ad-hoc connection. The phone idles at 200 or so miliamp/sec according to Current Widget, compared to 7 to 9 mili/amp/sec when idling on regular wifi.
Anyone know what causes this, and if there's a way around it? It seems like the phone is treating the adhoc connection differently than a regular wi-fi hotspot.
On my Defy I actually have a notification when connected to ad-hoc that this has implications on power consumption. So it seems it's normal. As to why this is so, finding out would probably require reading about the low-level workings of wireless networks. I'd guess it's because the two devices connected this way need to stuff themselves, stuff that is normally handled by the access-point.
Thanks for confirming that it's just not me. I guess it's unavoidable. I wonder if the constant increased battery drain diminishes the life of the battery.
Since I purchased my first HTC smartphone (a Desire Z) I noticed that turning on the Wifi draines my battery very fast (charge 100% and after 4 hours only40% remaining with screen off).
I searched xda for similar problems and found some possible solutions but they didn't help.
I turned off auto sync, automatic date/time adjustment, putting the wifi in sleep when not using the phone.
I was so frustrated about this so I bought a new HTC. A Sensation XE. And the most frustrating thing is... It's having exactly the same problem!
It looks like whenever one of these 2 devices have Wifi enabled AND connected to my wireless network at home, the Wifi radio sucks my precious battery load very fast!
I'm pretty sure there is few data transmission when I have Wifi enabled.
I did following test:
- With original ROM (2.3.4) the battery took 100mA in stand by and wifi OFF.
- With original ROM (2.3.4) the battery took 450mA in stand by and wifi ON.
- With ICS ROM (4.0.3) the battery takes 50mA in stand by and wifi OFF.
- With ICS ROM (4.0.3) the battery takes 500mA in stand by and wifi ON.
Both tests were over a period of 5 hours and with Wifi enabled there was 2-3Mb off data transmission during that time.
A friend of mine has a cheaper HTC phone with less battery capacity and has Wifi AND data on all day and has a battery stamina of 2+ days.
Another thing I can say is, that when Wifi is enabled and NOT connected to a wireless network, the drain is way lower!
Can somebody tell me what I'm missing here?
It can't be too much asked to get notified in time when receiving mail on my 500€-smartphone, without constantly enabling/disabling the wifi connection myself, just to get the day through with one battery load?
Not sure if you got this sorted but I was having some issues with wifi draining my battery after flashing a new ROM. Not as dramatic as you mentioned but still very noticeable. Narrowed it down to wifi "best performance" being enabled by default, disabled it and saw a big improvement.
If that doesn't help or isn't enough, check your wifi sleep settings in the same spot too.
My Wifi is putting out at 35mbps but when I test my Internet Speed its not even 1mbps.my data is 10 times faster than my Wifi on my phone. What's wrong? On my gs 2 Wifi was 2 times faster than my data..
I know this topic has been beaten to death but I haven't really seen any clear solutions to this. I'm running stock JB rooted on galaxy s3. My battery drains considerably faster when on wifi-standby. When on LTE, I lose around 1% every hour to hour and a half. On wifi, I'm losing 1% every 20mins or so. There have been some posts online about how this has to do with DHCP. I spend most of my time in a hospital so I can't really control the router and have the phone connect with static IP. I've tried using my friend's iphone 5 and it doesn't seem to have the same problem so this seems samsung specific. Is there any fix out there?
Your phone isnt sleeping on wifi for some reason most likely. Does it do it on other wifi networks too? Or is draining on the hospitals wifi only?
x714x said:
Your phone isnt sleeping on wifi for some reason most likely. Does it do it on other wifi networks too? Or is draining on the hospitals wifi only?
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It's draining faster at my home wifi also. In 2 hours, the phone has spent 28 minutes in wlan_rx_wake.
I've just switched broadband provider and have noticed that my battery life is just awful compared to how it was with the previous WiFi connection.I could normally go a full day on heavy use and still have around 30% at the end of the night. The phone has been mostly screen off for about 5 hours and it has went from full charge to 16%.
I can confirm it is definately using a 5ghz signal as I logged into the router page and it was listed as a 5ghz connection.
Does anyone know how to make the Z3 run on a 2ghz connection instead?
I'm rooted (locked bootloader) and have xposed if anyone knows any modules which might help
This has to be set on your Router not on your phone.