Hi Jonathan,

I know that is what they say but my experience has been that screen curtain does effect the battery drain on my Iphones. I use my phone a lot while in a vehicle and so I notice the battery frequently. I have tried it with curtain on and also with it off and it drains faster with it off.


I appreciate you trying to give me the straight scoop though but my experience is telling me that maybe there are conditions they aren't considering.


Dan Beaver


On 9/14/2016 9:56 AM, Jonathan Mosen wrote:
Hi Dan, Apple Accessibility has confirmed on multiple occasions that screen curtain has no effect on battery drain. Adjusting the brightness does though. I always have my brightness at 0%. Even if I need to turn it up to get sighted help if VO breaks badly enough, which hasn't happened in many years, now you can tell Siri to increase the brightness for you, so I can't think of a reason that a totally blind user shouldn't have their brightness at 0% and automatic brightness adjustment disabled. Screen curtain is a great security tool, but it has no impact on battery drain.
Jonathan Mosen
Mosen Consulting
Blindness technology eBooks, tutorials and training
http://Mosen.org

On 15/09/2016, at 1:35 AM, Dan <[email protected] <mailto:[email protected]>> wrote:

You might want to check to see if screen curtain is on. If not turning it on will drain the battery much more slowly.


Dan Beaver


On 9/14/2016 9:17 AM, Mary Otten wrote:
I am noticing amazing battery drain on my iPhone 6s. I have been using the beta for several days now, and I don't recall this battery drain starting when I got the beta. It seems to just be over the past few days, and when I look for battery usage details, it seems that the mail app is by far the biggest consumer of battery. Now that makes sense, since I do a lot of mail on my phone. But this morning, having charge my battery up to 100% and turn airplane mode on last night, I got up with the battery saying 99%. Within an hour, it has dropped to 62%. That seems a bit much. Location tracking is not on. No apps are loaded in the background. I just basically been using the mail app.
Mary


Sent from my iPhone


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