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TH55

macrumors 68040
Original poster
Nov 5, 2011
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I have an iPhone X and I go kayaking. I currently keep it in a small orange dry bag when I’m on the river but after not even an hour it gets blazing hot. Is there a waterproof case/bag/box I can keep it in that will keep it from getting hot in the sun that I will have easy access to? Is it getting so hot because of the color or air-tight seal of the bag? Thanks!
 
I have an iPhone X and I go kayaking. I currently keep it in a small orange dry bag when I’m on the river but after not even an hour it gets blazing hot. Is there a waterproof case/bag/box I can keep it in that will keep it from getting hot in the sun that I will have easy access to? Is it getting so hot because of the color or air-tight seal of the bag? Thanks!


If the bag is black it will absorb the sun and get hot fast! Wrap your water tight bag in something white of just get it out of the direct Sunday! I jet ski all the time with the temp near 100 degrees but keep my phone out of the sun and not had the first problem. A good freezer storage Ziplock is all I use and the touch screen still works!
 
Do you shut off (full power down) when you stow your iPhone in that dry bag?
No, you think that is contributing to the problem in any significant way?
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If the bag is black it will absorb the sun and get hot fast! Wrap your water tight bag in something white of just get it out of the direct Sunday! I jet ski all the time with the temp near 100 degrees but keep my phone out of the sun and not had the first problem. A good freezer storage Ziplock is all I use and the touch screen still works!
Bag is bright orange, but still gets extremely hot although only on the inside
 
No, you think that is contributing to the problem in any significant way?
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Bag is bright orange, but still gets extremely hot although only on the inside

If I can carry and use my MAX on my jet ski on the sunny St. John’s river in 95 degrees, you should be able to use your phone. If you are using it for it’s GPS capabilities, just cover it with something white when not using it.

Your iPhone is not designed to be used in the direct Sunday for long periods of time.
 
If I can carry and use my MAX on my jet ski on the sunny St. John’s river in 95 degrees, you should be able to use your phone. If you are using it for it’s GPS capabilities, just cover it with something white when not using it.

Your iPhone is not designed to be used in the direct Sunday for long periods of time.
watch out for that autocorrect :D
 
If I can carry and use my MAX on my jet ski on the sunny St. John’s river in 95 degrees, you should be able to use your phone. If you are using it for it’s GPS capabilities, just cover it with something white when not using it.

Your iPhone is not designed to be used in the direct Sunday for long periods of time.
So maybe it’s the dry bag I’m using that’s trapping in heat or somehow warmer on the inside?
 
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When the phone isn't being used and screen is off, it doesn't generate heat. If there's something going on in the background like GPS tracking, that uses the CPU so it will generate heat. If it's sealed in a bag and generating heat - it won't be able to cool and will get a lot hotter.
 
watch out for that autocorrect :D

What would this forum do with out members like you?
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So maybe it’s the dry bag I’m using that’s trapping in heat or somehow warmer on the inside?

If you phone is in the direct sun it is going to get hot.

If wanting a GPS, you really need to buy a GPS. They are meant to be out in the full sun.
 
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When the phone isn't being used and screen is off, it doesn't generate heat. If there's something going on in the background like GPS tracking, that uses the CPU so it will generate heat. If it's sealed in a bag and generating heat - it won't be able to cool and will get a lot hotter.
I never thought the cause was internal, it is 100% caused by the outside temperature and consequent temperature inside the dry bag. I’m just looking for a way to fix this, so far all I’ve gitten is putting it in the cooler but I’m afraid that will generate condensation. There has to be some kind of insulated case/bag/box.
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Small gel ice pack with the phone in a separate zip lock bag.
Won’t this generate condensation inside the bag and damage the phone?
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Put it in a small cooler with some icepacks.
Won’t this generate condensation inside the bag and damage the phone?
 
Seems like common sense. Keep the phone direct out of sunlight stored in a container or something that will allow you to have easy access to. You can also look at a neoprene protective case that will enclose the iPhone in addition.
 
Even if you have a super duper protective case on the phone, it would make sense to me to put it in something more rugged than a dry bag. Perhaps something like a Pelican case (the G40 seems tailor made for taking gadgets outdoors).

They may not have much, if any, in the way of insulative properties, but are rugged and water resistant.

Ultimately, the best solution is to try to keep direct exposure to a minimum.
 
Even if you have a super duper protective case on the phone, it would make sense to me to put it in something more rugged than a dry bag. Perhaps something like a Pelican case (the G40 seems tailor made for taking gadgets outdoors).

They may not have much, if any, in the way of insulative properties, but are rugged and water resistant.

Ultimately, the best solution is to try to keep direct exposure to a minimum.

I believe the OP is trying to use his phone, while on the water, for navigation using the GPS. In direct Sunday, case or no case, the phone will heat up and likely dim the screen if it gets too hot.
 
Try to keep your phone out of direct sunlight. Try putting the phone in the little waterproof compartment on the kayak. If you're keeping it on yourself, then try to keep it as far from your body as possible (eg. keeping it strapped to the outside of your life vest to prevent the transfer of body heat). Having it on your person will also prevent constant exposure to direct sunlight.
 
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