Develop Bugs

Battery Life Problems

How's everyone's battery life? I get down to about 5% by the end of the night with light to moderate use and standby time seems to be pretty terrible (5% drain an hour or so).
I checked in the battery info and it shows Android OS at the top with 66% use and when I click on that, it shows Keep awake at 3 hours and 49 minutes.
Anyone else having this problem? I did a full wipe and that didn't fix anything. I'm also running the latest update.

I can usually last a day with moderate to heavy use. Haven't found it to be any shorter than that so far. Try turning on the processor eco mode

I wake up at about 7:00a.m. and go to sleep at around 12:00a.m. And I usually go to bed with about 30% and this is with moderate use, with full brightness and eco mode off.

My battery life is pretty atrocious as well compared to my Evo LTE.
I'm at 40% at the moment after 7.5 hours. That's mostly wifi and without 4G. Have tried keeping the screen at 40-50% brightness, eco mode on, quad control, on, etc.
Even tried cycling it a few times by letting it run all the way down and charging until 100% with phone off and it's there's been no improvement.

sarspants said:
How's everyone's battery life? I get down to about 5% by the end of the night with light to moderate use and standby time seems to be pretty terrible (5% drain an hour or so)....
Click to expand...
Click to collapse
My unit idles pretty well actually. About 1% (or less?) per hour. No complaints here.
Sent from my LG-LS970 using Tapatalk 2

I have been surprised at the battery life of this phone. I was annoyed after I bought it because I didn't realize it didn't have a removable battery and I typically buy extra batteries. I gave it a try though and yesterday I used it moderately while at work for 12 hours, used it for streaming audio on the way home, and after a total of about 14 hours without charging it was only down to 70%. Eco mode was on, and screen set to 67%. Periods were with 3g, 4g, low signal, and wifi.

Dont know why you would have such bad battery life, i used my phone all day yesterday from 530am til i went to bed last night at 1115pm only 30% discharge at that point , i dl a rom on it for my gs3 when i was going to sleep 789mb and woke up this am to 36% bat left. I am truly pleased with the performance so far.
I am not a light user either and use it to play need for speed , I haven't even put it in eco mode yet.
Sent from my LG-LS970 using xda app-developers app

Honestly no complaints so far. I've been toying with it for fifteen minutes after ten minutes of music play and it only now went from a hundred percent to ninety nine. On my 3d it would be down ten to fifteen percent by now.
Sent from my LG-LS970 using xda app-developers app

I haven't had any issues with the battery either. After a decent amount of web browsing, a few calls and a ton of texts, some angry birds star wars and final fantasy 3, I still have 70% left. Also have wifi, gps on constantly, 68% brightness on display and no eco mode.
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What are you guys getting for screen time?
Sent from my SPH-L900 using xda premium

I've had almost 3 hrs of screen time and 12 hrs on a charge and only been down to 30% (with some Pandora streaming in there too). I normally get done with work and playing some on my phone and am still above 70% after 9 hrs. I can't complain about battery life in any way!

Kantide said:
I haven't had any issues with the battery either. After a decent amount of web browsing, a few calls and a ton of texts, some angry birds star wars and final fantasy 3, I still have 70% left. Also have wifi, gps on constantly, 68% brightness on display and no eco mode.
Click to expand...
Click to collapse
What percent of the battery usage is "Android OS" for you?

This morning I pulled her off the charger and browsed reddit for an hour with the screen at 63% and lost more than 20%.
I'm exchanging it and if the new one doesn't work any better I'm probably going to sell it and go back to the Evo.

Hard reset your phone and start over ,there is no reason you should return the device before trouble shooting
Sent from my LG-LS970 using xda app-developers app

Already tried HR, went ahead and did another one and ended up having to reset it two more times when the Play Store stopped working.
Now I'm running with a handful of apps, one email account and I'm not syncing to anything other than Gmail and I'm still down 17% in the last hour and a half, plus I'm getting force close errors just trying to access battery status.

Should i look into getting another Optimus G.?
This is without my work email being sync. And i get massive emails daily on that account
Sent from my LG-LS970 using xda app-developers app

sarspants said:
What percent of the battery usage is "Android OS" for you?
Click to expand...
Click to collapse
At the time this was done it was at about 40ish%.
At the moment I am at 25% after using my phone about 16 hours. Android OS is at 51%, screen at 19% with about 3 hours clocked in.

By this point I expect a minimum of twelve hours on the battery with at least two hours of screen on time. Im very happy with that if I use the screen for more than two hours it'll last about eight hours which is still good. This phone idles very well I expect it improve with future updates as well.
To the user who s getting a lot of fc's, I definitely don't get any and that's saying a lot for stock software from lg opposed to stock android. Don't install task killers of you have one
Sent from my LG-LS970 using xda app-developers app

2 hours in and I'm at 75%. Yeah I might have a bad device. .
Sent from my LG-LS970 using xda app-developers app

Replacements here, we'll see how things go with the new one.

Is this battery usage normal?

In 3 hours, mostly standing by, it drops to 87%
I have no idea why "Android System" gets 23%
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well, if you're not using the phone, with apps or whatever.. then something else has to take the place of the 'most used' application..
I hope this isn't the "omg android system is using all my battery" again that I seen all over the gs2 forums when it came out
attached is a screenshot of my battery usage, I been streaming music all day at work.. mostly wifi, screen on a generous amount of time.. browsing xda, internet.. even played around with autodesk sketchbook..

Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.

Get a wakelock detector
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

I've noticed that is phone really really wants to have full gps on stand by at all times.
Can't wait to get that battery update. But when that happens maybe never

Jennygirl said:
Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.
Click to expand...
Click to collapse
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible

Since I just got my phone this morning, I will have to report my batter usage later.
However, the phone charges SUPER FAST!

I'll tell you when it doesn't charge fast, I plugged it into my S3 charger last night at 11% and it still wasn't at 100% when I woke up about 9 hours later. Yesterday I got 3 1/2 hours of screen time after starting at 70% when I actually got the phone around 5 pm. The phone was under HEAVY use (downloading updates on LTE, customizing, etc.) I'll be interested to see how it does today under mostly normal conditions.

Thermalwolf said:
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible
Click to expand...
Click to collapse
Glad to hear you feel that way! Thank you for the glimmer of hope! I have a feeling you are very right, and that it could have also had a lot to do with the huge amount of downloading I was doing yesterday. Today should be a much more normal day of use. I'll check back in a bit.

My battery went from fully charged to 94% in a matter of minutes just using the Internet. I decreased the screen brightness and removed the sync from some apps. If I don't see an improvement before my 14 days is up this is going back.

I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!

Jennygirl said:
I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!
Click to expand...
Click to collapse
You shouldn't have to use power save to get good battery performance. You definitely have a bad battery

Really? It seems pretty good to me now.
Is there a wake lock detector you would be able to recommend? Looks like it needs root?

I let my battery completely drain where it cut off at 1% and let the battery charge fully. Powered it back up and made sure nothing was syncing that I didn't need and now the battery seems to be performing better then before.

My battery usage today
Was on web and Facebook most of the time, downloaded some new apps, and uploaded a video to vimeo

Battery is quite short of impressive, and my N3 charges much much faster.

1brainsurgeon said:
Battery is quite short of impressive, and my N3 charges much much faster.
Click to expand...
Click to collapse
Either you have fast charging turned off or something is wrong with your charger/battery. turned off my phone charged 0-100% in 79 mins.

Yeah, his phone is broken or misconfigured if it charges slower than a Note 3. I've owned both, and the note 4 charges WAY faster.
Sent from my SAMSUNG-SM-N910A

I agree it is very noticeably faster. N3 was decent already with the provided charger, but N4 charge blazes.
Kinda want to get that Qualcomm fast charge 2.0 car charger so I can charge from 12v sources. The standard usb 5v 500mA regulated charge is pitiful

I have to constantly kill Index Service. It's loading CPU up to 100%. There's a bug since at least Note II. If you have large PDF files or many files of any kind, it will never finish indexing. Some reports link it to 64GB cards, but mine does it even without the card.

[Q] 5.0 extreme battery usage

I loaded the 5.0 factory image last week and my battery usage has been awful since. I am 100% stock. No root or mods at all.
Yesterday I took my fully charged N7 off the charger about noon. I hardly used it. Sent 3 emails and checked football scores a few times. 10 minutes use max. 95% of the time it was sitting with the screen off. By midnight it was almost dead. I have wifi off during sleep. This morning it's been off the charger for 2 hours and is down 20%. I have not used it at all other than to check the battery. Previously it would last 2-3 days between charges with light use. Not seeing anything standing out as using excessive amount of battery. Android System uses the most at 17%
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I know there was a wifi bug but I thought that was fixed prior to the release of the factory images. Strange thing is I have run all the L previews and currently a pre image release of a 5.0 AOSP rom on my N5 and I've had no issues at all.
Anyone else seeing this or have any suggestions?

I been looking for a thread like this. Coming from 4.4.4 all stock battery was great, I don't have any statistics but moving from 4.4.4 to 5.0 still stock no-root, the device gets really warm and battery drop isn't very comforting.
I hear the nexus 9 also gets very warm, must be a 5.0 bug.

5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !

hokuto34 said:
5.0 with NRT Sideload update and no issue with battery nor wifi. I loose max 1% by hour in the night ! As I have a little use I can keep it during 3 days without charge !
Click to expand...
Click to collapse
my friend 1% per hour is much
with wifi and sync all the time during night i get 0.1%/h
i confirm drain battery on 5.0 for nexus 7 unfortunatelly!

Same here. Pretty bad battery life with 5.0. Battery would not last more than a day. On 4.4.4 I can easily go 2 days.
Sent from my Nexus 7 using Tapatalk

61% left 1 day 11h

I was on XDABBED's rooted stock-image, the battery usage was as bad as the OP's situation.
Since then, I moved to XDABBED's latest AOSP release ... the battery usage has been GREAT.

Also on stock and I can confirm that the battery is worse.
Previously on stock 4.4.4 I had calculated that 10% battery can get me through one day or one hour SOT.
After flashing factory image I can confirm that the most I can manage is 4-5 hours SOT in two days.
That's 30-40% higher battery consumption.

why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.

Same Issue
Yes I am also facing the same problem. Terrible battery time. I charged my Tablet yesterday and pulled it out at 100% at 10pm. I put it on Airplane mode and went to sleep. When I woke up today at 6am the battery was showing 70%. It ate 30% at night doing what? I am very disappointed. On Kitkat 4.4.4 I never had such terrible battery performance. I am going to try it out today again and ensure that all apps are closed. Lets see what the performance will be like. Will update tomorrow.

I loaded Battery Batter Stats last night and left unplugged overnight so that I could check for partial wake-locks this morning. Unfortunately the battery was completely dead when I woke up. I put it on the charger when I left for work so I can check tonight.

nike984 said:
One from Lars Team works on Lollipop, so I am using that.
Click to expand...
Click to collapse
i followed your advice i disabled the location query and the right to keep the device awake and will report later tha night or tomorrow :good:

I can confirm that the tablet gets a little bit warmer with Android L and that was just Initial Setup, idk yet about battery I will fully charge tonight and test tomorrow.

nike984 said:
why don't you download an App Ops tool from google play store
and deactivate any location service.
Currently, there are not that many app ops tool that can support lollipop.
One from Lars Team works on Lollipop, so I am using that.
For me, google play service was using extensive amount of power for location search,
and after I turned down location search capability of google play service, the power drainage stopped.
Click to expand...
Click to collapse
This was a good advice I must admit [emoji4]
I installed App Ops and noticed huge Location usage from Android System. After I disabled this the battery drain is a lot smaller. Not as good ad KK but very tolerable.
Also noticed that my video player, Archos, is using more power on Lollipop that before. I use it same or less than on KK but it drains the battery a lot more and is always at the top in battery usage.

so... Did the 6 update fix the battery drain?

I haven't seen it since I got the update a few days ago... anyone else seen it since the update? *fingers crossed*

senectus said:
I haven't seen it since I got the update a few days ago... anyone else seen it since the update? *fingers crossed*
Click to expand...
Click to collapse
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?

Adikovec said:
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?
Click to expand...
Click to collapse
mines been on since 1630 yesterday, connected to phone and screen always on now at 58%

I can't break the habit of powering down when I put it on the charger and keeping it off until it's unplugged. Works everytime. I only had stock mm for a day then flashed alex6600s kernel.

Adikovec said:
Well, I've left it overnight, airplane mode ON and Always on OFF. Drained 4%. Is this good?
Click to expand...
Click to collapse
In this mode and on table it drain about 0.5% by hour.

I know I'm probably jinxing myself but I'm finding the battery is *much* better in this build!
Sent from my Nexus 6P using XDA-Developers mobile app

no battery drain so far
Since 4 days on MM....long way to go until we know for sure though...so far MM seems pretty stable...equal or improved over the previous one.

Quick update from M - 3rd day, 20% battery left. Thanks Sony

After update to MM I turned off gps, wifi and my watch not live more than day. It have about 5% power consumption per hour. What the problem is?

Havn't seen much change yet.
But even when the watch was om 5.1.1 it did good time. Two to four days between charging. Normal two days when using GPS for running every second day.
And so fare it behaves the same on 6.0.1.

No, it didn't. Not because it was 5.1.1's fault but it was app sync's fault.
I had only one battery drain on 6.0.1 - it was right after the very first setup. The same thing happened to me when I was setting up my watch the very first time while on 5.1.1.
On both versions, unpairing the watch, forgetting it in the app, resetting the watch and then, again, pairing it with the phone while plugged, letting it do its job during the sync process, not touching both the phone AND the watch for some time fixed the problem.
Battery life on 6.0.1 is very, very good. The watch lasts for about 3 days. Always On - ON, Gestures - ON, WiFi - ON... well, everything is on, even location.

romcio47 said:
No, it didn't. Not because it was 5.1.1's fault but it was app sync's fault.
I had only one battery drain on 6.0.1 - it was right after the very first setup. The same thing happened to me when I was setting up my watch the very first time while on 5.1.1.
On both versions, unpairing the watch, forgetting it in the app, resetting the watch and then, again, pairing it with the phone while plugged, letting it do its job during the sync process, not touching both the phone AND the watch for some time fixed the problem.
Battery life on 6.0.1 is very, very good. The watch lasts for about 3 days. Always On - ON, Gestures - ON, WiFi - ON... well, everything is on, even location.
Click to expand...
Click to collapse
exactly the same here, did the 6.0.1 update and battery down to 16% in less than 40 min.
Wiped everything, unpaired, did update again but now via PC companion, resetted everything again and now great battery life. 2x 20 min gps daily for bike ride and still 2 day battery life.

Battery curve in 6.0.1
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It drop to 10 after power ON the morning. When Power Off for the night it was at 46%
So no software issue (and never was software issue), just a deffective (deteriored) batt. I think there are faulty regulator charge circuit in SW3 and the battery overcharged. Just see how fast an SW3 can be charged, not normal charge process.
In general way, when a lithium batt drain faster after 50(40) % it mean batt is damaged.
I have normal drain from 50% to maybe 40%. Problem is after 40%.

So far I haven't suffered the random battery drain since the update.
Sent from my SM-N920T using Tapatalk

For me is seems to be fixed. But the app Wear Battery Stats stopped working. Hm, I don't need it anymore.

Galaxy Watch - Battery life? Your findings.

Happy to see a forum section up for the Galaxy watch!
I've had the Galaxy Watch (46mm) for about a week and a half and I am getting just under 2 days of battery with always-on display, screen brightness at 2 and everything else default. Wish it was just OVER 2 days but still, I am happy with this.
What I have noticed though is that my phone (Pixel 2) has been draining battery faster... I thought maybe it was the service looking at notifications, so I lowered the number of apps to notify for (from 20 to 13) but still, the same drain. Battery usage on the mobile isn't showing me the cause, there is a 30% of usage that isn't accounted for (With system apps showing).
I had a Skagen hybrid smartwatch before (Missing the display but the hands would point to a number to tell me what notification it was vibrating for) and the battery drain wasn't there.
What are your experiences?

I am still on my first charge, since I only bought it yesterday. It is now at 30% battery after ca 32 hours of use without AoD and it tells me it will last another 23 hours in the battery settings. I wanna run this thing empty at least at the first charge so it learns my usage properly and can adjust.
Gesendet von meinem SM-G965F mit Tapatalk

Running pretty similar - around about 2 days use on the 46mm. I'm not using AoD; Screen at 5; but have bumped the HRM to regular checks; dropped the "Stress" monitor to manual, as having that automatic dragged the battery life waaay down (I'd guess to less than a day!); GPS enabled; regular updates for altimeter & barometric pressure; reasonable amount of activity tracking (1-3 hours/day).
Whilst initially disappointed (not exactly the touted life expectancy) it does seem reasonable with what I've got running. Definite bonus for having the dual fast charge included on the pre-order, that I can drop it onto the dock alongside my phone when I have chance to sit at my desk!

It is now ca 67 hours on my first charge and I am down to 3% now.

At the end of the day (from midnight to midnight because i register also sleep) Middle-heavy use almost 50% battery!

On my 46mm with always display, brightness at 5, HR 10sek and connected to phone I'm getting about 40-42hours

For me almost 25% consumption per day.
Sent from my SM-N960F using Tapatalk

I'll get around 50 hours with AoD enabled and somewhere between 3 and 4 days without (depending on workout), with heart rate monitoring set to every 10 minutes.

easily 4 days for me

HOW! I don't understand how some of you get more than 2 days. I've seen YouTube reviewer say he got 5 days. The most I ever go t was 2 and a half days. Furthermore I would end the first day with 75% when I first got my Gear s3. With this watch I finish my day with 70%. Which is consistent with my 2.5 day experience. My watch loses about 1% per hour at night which is quite a lot.

hmm guys... Problem is phone battery drain, not watches for me. Before, with amazfit stratos 2, motorola 360 2nd gen. or even zeblaze thor 3g phones battery drain was minimal. Now I have 3-4% oer hour. Phone sm note 8, not rooted. Dont understand how to manage that

no noticeable battery drain on my Pixel 2 XL.

mrnovanova said:
HOW! I don't understand how some of you get more than 2 days. I've seen YouTube reviewer say he got 5 days. The most I ever go t was 2 and a half days. Furthermore I would end the first day with 75% when I first got my Gear s3. With this watch I finish my day with 70%. Which is consistent with my 2.5 day experience. My watch loses about 1% per hour at night which is quite a lot.
Click to expand...
Click to collapse
We cannot really judge if we do not know your settings. You should use sleep mode while sleeping. If you have AoD on than your mileage is as expected. Without it you will get easily more than 3 days.
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I get 4+ days with ease on the 46mm , Wife's 42mm gets 3 to 3.5 days
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v1rtu4l said:
We cannot really judge if we do not know your settings. You should use sleep mode while sleeping. If you have AoD on than your mileage is as expected. Without it you will get easily more than 3 days.
Gesendet von meinem SM-G965F mit Tapatalk
Click to expand...
Click to collapse
For sure. You make a good point. I started buy doing a factory reset. And I don't use AOD. I'll try sleep mode. Thanks ?
Sent from my SM-N960W using XDA Labs

dalibertine said:
Happy to see a forum section up for the Galaxy watch!
I've had the Galaxy Watch (46mm) for about a week and a half and I am getting just under 2 days of battery with always-on display, screen brightness at 2 and everything else default. Wish it was just OVER 2 days but still, I am happy with this.
What I have noticed though is that my phone (Pixel 2) has been draining battery faster... I thought maybe it was the service looking at notifications, so I lowered the number of apps to notify for (from 20 to 13) but still, the same drain. Battery usage on the mobile isn't showing me the cause, there is a 30% of usage that isn't accounted for (With system apps showing).
I had a Skagen hybrid smartwatch before (Missing the display but the hands would point to a number to tell me what notification it was vibrating for) and the battery drain wasn't there.
What are your experiences?
Click to expand...
Click to collapse
Since using Night mode when in bed, I am now getting closer to 3 days of use. Very happy about that.
My phones battery life is still draining just as hard, still havn't worked this out. If I can resolve that, i'd be a very happy Galaxy Watch user.

The best upgrade is battery

pigglett said:
I get 4+ days with ease on the 46mm , Wife's 42mm gets 3 to 3.5 days
Click to expand...
Click to collapse
I have to 42mm and today was my first real full day and I went from 100% at 7am to about 28% at 10pm. No real heavy use. Just some notifications replying to a couple of text.. Y settings are Aod off GPS off nfc off brightness 3 heart rate checks on manual(didn't even have a check today).
What settings does your wife have to get 3-3.5 days? If mine doesn't have a vast improvement there is no way I get that!

brownpm85 said:
I have to 42mm and today was my first real full day and I went from 100% at 7am to about 28% at 10pm. No real heavy use. Just some notifications replying to a couple of text.. Y settings are Aod off GPS off nfc off brightness 3 heart rate checks on manual(didn't even have a check today).
What settings does your wife have to get 3-3.5 days? If mine doesn't have a vast improvement there is no way I get that!
Click to expand...
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Aod off .. brightness 8 ,NFC and wifi on HR manual
I'd try a factory reset see if that fixes it for you used to do the trick on the S3 ..I would reset if battery life degraded and would fix it till next time

pigglett said:
Aod off .. brightness 8 ,NFC and wifi on HR manual
I'd try a factory reset see if that fixes it for you used to do the trick on the S3 ..I would reset if battery life degraded and would fix it till next time
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Thanks! I'll try the factory reset this morning and see if that help. Does she use a stock watch face? I downloaded a few as soon as I got the watch, all of them are black watch faces so I assumed they wouldn't kill battery. I'll test today with a stock face too and see if I get a different result.