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[Q] Using the Transformer as an external power soure for smartphones

Hey guys,
messing arond with my new transformer at the moment. Keyboard delay and power drain on the dock suck, but the overall performance and usability are more than enough to let it stay.
Next week i am going to a small local festial, the wacken open air, and i am currently thinking about using my transformer as an external battery for my iphone. It should at least be able to charge my phone for two more times, so i can use 3g and the cam the whole festival long instead of killing those features for sqeazing out the battery up to 4 days.
I tried charging it at home, but at the moment the display turns off, the Iphone stops charging.
I could start playing music on the tab to keep it from going into standby, but that feels like cheating
Is there any way to just activate one (or all) usb-ports without turning on the display or even better: without turning on the whole OS?
Thanks in advance and sorry for my bad english.

most festivals have cellphone charching stations

If you really must charge your phone with the dock, I'd turn off the auto brightness on the screen and turn it all the way down, then set the screen sleep to "never".

peng00 said:
Hey guys,
messing arond with my new transformer at the moment. Keyboard delay and power drain on the dock suck, but the overall performance and usability are more than enough to let it stay.
Next week i am going to a small local festial, the wacken open air, and i am currently thinking about using my transformer as an external battery for my iphone. It should at least be able to charge my phone for two more times, so i can use 3g and the cam the whole festival long instead of killing those features for sqeazing out the battery up to 4 days.
I tried charging it at home, but at the moment the display turns off, the Iphone stops charging.
I could start playing music on the tab to keep it from going into standby, but that feels like cheating
Is there any way to just activate one (or all) usb-ports without turning on the display or even better: without turning on the whole OS?
Thanks in advance and sorry for my bad english.
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Click to collapse
I have a suggestion: dump that I-****e and get an android phone with a user replaceable battery....just saying...

I dont know of any method of doing this, but I would be interested in one.

grab a dreamgear 16,000 mah (not a typo) backup battery

Skype causes screen to never sleep

Hello all,
Got SUPER pissed off at skype support because they give me canned responses and do not read what I spent the time to write. I have an HTC Sensation running Revolution HD newest version.
I have had the problem on EVERY android device I have ever owned and skype. After I install it, the screen never sleeps. I made sure I logged out, exited, and also did "force stop" to see if it would make my screen sleep. No good.
After I uninstall the application, my screen sleeps normally. wtf workaround?

Never noticed this myself, how do you know it's not sleeping? Or do you mean the screen won't even turn off??

I'm not sure what you mean either. Mine will turn its screen off and apparently sleep with skype running just fine. At least it's not having any serious battery drain, etc. (2 days without a charge and I'm at 50% or so)

Is Mate 9 really learning? I believe so

Is the Mate 9 claim of "learning" your habits really true? It seems like mine has learned my habits in just a few days. Here is what I noticed.
When i leave work and head to the golf course, if I remember, I would usually turn off my wi-fi to save battery. Then, when I get home, I would turn it back on.
After having done that for a few days, I noticed that for the past 2 days now, when I leave work, my wi-fi would be off. At first I thought, hmm, I guess I turned it off. But today, I made sure I did not and once I left work, indeed my wi-fi turned off. When I got home, my wi-fi turned back on without any inputs from me.
Not sure if that is designed like that, or, it's really the phone learning my habits?
Anyone else experience your phone "learning" your habits yet?

That's what wifi+ is all about

Waoovv , also noticing that my phone close needless apps (which i used rarely) in backround about my using habits. But, i cannot disable me and i turn on or turn off manuelly current apps

Screen burn-in / image retention?

Hello all -- has anyone else been experiencing screen retention? I've had this phone *brand new* , not refurbished or used, or a little but over 3 months now, and it has noticable burn-in from the status bar.
I rarely use this phone outdoors / max brightness, and I was wondering if anyone else experienced this, because I'm disappointed from how 3 months of use can easily show on a brand new phone. It's much more pronounced than my 2 year old Moto G7 power.
Do I have a dud, or something wrong with my screen? I have a protector, a good case, and have kept my device well cared for. I'm considering sending it back to Motorola if i manage to unroot it and lock the bootloader back up.
Picture is attached. It looks more noticeable in real life, apologies for the bad picture.

How often do you restart your phone?

zapjb said:
How often do you restart your phone?
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Usually whenever I flash something / the phone is acting up, so not often at all. Is that the issue?

It's too late now. But every computer & modern cell should be rebooted at least once a day. There is no official uptime contest. Reboots reset everything. Also instead of or in addition to a power off of 10 minutes for a cell cools down the hardware. Should be done from first use. Oh & I don't care if others disagree with me on this I know from many engineers this is the truth.

zapjb said:
It's too late now. But every computer & modern cell should be rebooted at least once a day. There is no official uptime contest. Reboots reset everything. Also instead of or in addition to a power off of 10 minutes for a cell cools down the hardware. Should be done from first use. Oh & I don't care if others disagree with me on this I know from many engineers this is the truth.
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Click to collapse
I don't reboot usually because I'm in the middle of working on something / don't find any need. But weirdly enough, this is the same for any phone I've had, but I've never had burn-in issues this severe so short into a phones lifespan

Ok. All I can do is put the information out there. A reboot takes less than a minute.

Question about screen dimming

hey guys got question for u all
i like so much the flip 4 but i sell it cause i had 1 major proble
i bought iphone 14 pro max but i really want my flip 4 again
my problem is any time im using the phone for facebook whatsapp and regular stuff with regular use (not even hard use at all)
the screen dimm to much cause the phone is warm
if i turn on the extra brightness its dimm alot faster with minimum use
so i i never used the extra brightness but always on the full brightness but i always use minimum use and the screen is dimm
any solution or its like that???? (the phone is ok i had 1 before and it was the same)
i have no case nothing i never pleyed games with my phone just regular use....any tips for what to do or this is how the phone act?
and just for you know im on android 13 latest thx for the help !!!

sounds like you have some sort battery saver turned on, have you checked in settings? this is not normal behaviour.

beanbean50 said:
sounds like you have some sort battery saver turned on, have you checked in settings? this is not normal behaviour.
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sure man i never use battery saver always full brightness all the way up then the phone get hit very easy and dim the screen the temperature outside is around 25 c

nobody got this iisue? no way!!

It is clear that your mobile phone has a technical problem that needs maintenance, but try to return it to factory settings

amincom said:
It is clear that your mobile phone has a technical problem that needs maintenance, but try to return it to factory settings
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ok but this my third phone loll, my sisters got the same iisue not just me, and we bought the phones in deffrent places :-(

nosferatu123 said:
ok but this my third phone loll, my sisters got the same iisue not just me, and we bought the phones in deffrent places :-(
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maybe i use app that make the phone to hot the the screen dimm?
im using whatsapp facebook instagram and messanger maybe? anyone knows?

On the Flip 4 I use the Adaptive Brightness "on" setting, and Dark Mode. Your results may vary, but here's what I've seen.
In the summer, on a sunny day, I'll notice that the phone will automatically try to be as bright as possible, so the screen is readable. (I'm pretty sure when this happens the quick display panel's screen brightness slider color changes to orange. Maybe the color depends on the wallpaper/color palette.) And I never see the screen do this "extra bright" thing indoors. Only outside and only in direct sunshine.
So far so good. I think this is as everyone expects the phone to operate.
Given all this, sometimes I'll notice the screen brightness will vary, even though I'm still outside and still in the same brilliant sunshine. I've noticed this commonly when checking Google News, and for example, I'm reading a story and scrolling slowly through the article. In particular when the screen is mostly black text on a white background.
So, in this situation, that is, a largely bright background, in the bright sun, my phone will both:
Get warm to the touch, on the back-side of the phone, where the two batteries are, but not up where the cameras, CPU and memory are located. This makes sense because "scrolling text" isn't that demanding on the CPU, but I am driving the OLED screen hard.
Also the front of the phone (the OLED screen itself) can feel warm. Even in the screen's crease, away from the battery. Since the image is mostly white, all the OLED dots are "on" and give off heat. Then again, I'm in brilliant sunshine and almost any surface will get warm.
Further, I'll notice that the phone screen will automatically get dimmer after a bit of time (perhaps a minute or two of extra-bright before the dimming). This I attribute to the software doing one, or both of:
Dialing back the screen brightness, to prevent OLED burn-in.
Dialing down the power usage by the screen, to prolong battery life and/or limit the battery temperature.
What's more, after little more time, still in the same bright lighting conditions, perhaps reading the same story, the screen might be noticeably extra-bright again. It's as if the phone has given the display "a rest" and is willing to go "extra bright" again.
In short, I think the phone screen is trying hard to be brilliant in the brightest of sunshine. But there are limits in how hard you can drive an OLED screen, and how long the battery can power the screen.
All of this before we start to talk about what design limits come into effect when the CPU or graphics processing come into play, both or which compete for:
Power from the battery, and
The ability of the phone to keep itself cool.
This phone's form-factor is all about folding in half. A slab form-factor phone, I suspect, will be far more capable for heavy CPU, graphics, and provide a bigger battery and better heat disipation.