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09-20-2019, 01:33 AM
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#1
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jan 2008
Location: NC
Posts: 21,303
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iPhone High Temp Warning
I’m obviously not the first, but I got this warning a few days ago, first time in the 5 years I’ve owned the iPhone. I’d left it on the car seat, under a hat - must have been over 113F? It took at least 5 minutes to cool enough to work again. I’ll never let that happen again.
Evidently you can do permanent damage if you get it too hot or too cold - within a range a typical user might encounter?
Quote:
Apple recommends operating temperatures for the iPhone of 32 to 95 degrees Fahrenheit (0 to 35 degrees Celsius) -- and for non-operating temperatures, it recommends minus-4 to 113 degrees Fahrenheit (minus-20 to 45 degrees Celsius). Allow the device to slowly equalize to the environment’s temperature
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https://support.apple.com/en-us/HT201678
__________________
No one agrees with other people's opinions; they merely agree with their own opinions -- expressed by somebody else. Sydney Tremayne
Retired Jun 2011 at age 57
Target AA: 50% equity funds / 45% bonds / 5% cash
Target WR: Approx 1.5% Approx 20% SI (secure income, SS only)
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09-20-2019, 04:04 AM
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#2
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Administrator
Join Date: Jul 2005
Location: N. Yorkshire
Posts: 34,126
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It happened to both of our iPhones while on holiday in California earlier this year and more recently here in England where my phone was sitting in the sun too long.
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Retired in Jan, 2010 at 55, moved to England in May 2016
Enough private pension and SS income to cover all needs
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09-20-2019, 04:20 AM
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#3
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Moderator
Join Date: Feb 2010
Location: Flyover country
Posts: 25,356
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Easier to forget, but the same caution applies to the Apple Watch as well. DW once accidentally left hers on in the sauna a few years ago. No permanent damage though.
I would guess that anything with that sort of display needs to stay in a "normal" temperature range to operate properly.
__________________
I thought growing old would take longer.
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09-20-2019, 04:48 AM
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#4
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jan 2006
Location: Rio Grande Valley
Posts: 38,145
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We know not to leave them sitting out in the sun.
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Retired since summer 1999.
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09-20-2019, 05:41 AM
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#5
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Dec 2015
Location: Michigan
Posts: 5,003
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Haven't run into that so far.
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"The mountains are calling, and I must go." John Muir
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09-20-2019, 07:01 AM
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#6
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Thinks s/he gets paid by the post
Join Date: Jun 2017
Location: Western NC
Posts: 4,633
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Never a problem with my cheap Android phones, and the screens have also proven to be less breakable when dropped than my kids' iPhones (so much so that now the latter reside in bulky cases)
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Transistor junction migration with heat
09-20-2019, 07:53 AM
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#7
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Full time employment: Posting here.
Join Date: Mar 2016
Location: An island off the coast of Florida. (Ok - if you really need to know it's Vero Beach)
Posts: 633
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Transistor junction migration with heat
Probably TMI, but here ya go ( from memory)...
Transistor junctions in chips begin to lose their PNP or NPN interface junctions above 114 deg F ambient. (i.e. Germanium migrates into the silicon lattice when energized). Happens across a wide variety of transistorized electronics, and is the reason for cooling fans. Above a certain ambient temperature in energized commercial circuits, the chips are literally cooked when the junction is lost forever. Its why cars have most of their computers in the people compartment or vented with cooler air.
P.S. I am not a EE eng, but slept in a Holiday Inn last night.
__________________
DW and I are 62/62. 100% equities 31 years. FIRE'd August 2019. Non-cola pension cashed out Dec 2022 before segmentation rates reduced balance - rolled to MM fund, max SS for DH and DW at FRA. Mega retiree health available. IRA rollover from 401k Jan 2020 for NUA treatment. LTCG for 3 years. Next few years will be IRA cash withdrawals or until Stock Market recovers. AA 33% stocks, 67% MM and T-Bills. Rising equity glidepath.
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09-20-2019, 08:20 AM
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#8
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Aug 2011
Location: West of the Mississippi
Posts: 17,263
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Quote:
Originally Posted by Midpack
I’d left it on the car seat, under a hat - must have been over 113F? It took at least 5 minutes to cool enough to work again. I’ll never let that happen again.
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Skip the wool felt hats such as some cowboy hats and fedora hats. Despite their stylish good looks they are deadly to phones . Next time pick a straw hat with an open weave that provides plenty of ventilation. The right hat adds a touch of class to the wearer, whether he/she is a human being or a phone.
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Comparison is the thief of joy
The worst decisions are usually made in times of anger and impatience.
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09-20-2019, 10:26 AM
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#9
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Thinks s/he gets paid by the post
Join Date: Jul 2015
Location: Beaverton
Posts: 1,382
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Have left mine outside while working on projects and as the sun shifted it ended up in the sun so have had a couple of these. Only reason I figured it out was my wireless headphones started cutting out.
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Jump in, the water's warm.
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