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"Trust This Computer?"
Hi all,
I'm in a bad spot ¡ on the road, no wifi, and a dying iPhone battery. When I plug my iPhone X (running iOS 13.1.3) into my MacBook Pro (running Mojave 10.14.6) using the USB-to-Lightning cable that came with my phone and charges it every night, I get the usual "Trust This Computer?" message with options to Trust or Don't Trust it. The problem is, that message isn't on the screen long enough to click a button before it disappears. It then comes back and repeats the cycle 9 times, after which the phone does not indicate it's receiving a charge. Any quick ideas? Thanks! Dane |
For anyone interested, I still don't have an answer but I found that putting the phone in Airplane Mode allowed it to charge. I've since restarted the phone and it still exhibits the same behavior when not in Airplane Mode.
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Dane On Oct 31, 2019, at 7:38 PM, Dane Robison via Groups.Io <macdane@...> wrote: |
Dane Robison wrote:
I'm in a bad spot ¡ on the road, no wifi, and a dying iPhone battery. When I plug?my iPhone X (running iOS 13.1.3) into my MacBook Pro (running Mojave 10.14.6)?using the USB-to-Lightning cable that came with my phone and charges it every?night, I get the usual "Trust This Computer?" message with options to Trust or?Don't Trust it. The problem is, that message isn't on the screen long enough to?click a button before it disappears. It then comes back and repeats the cycle 9?times, after which the phone does not indicate it's receiving a charge. For anyone interested, I still don't have an answer but I found that putting the?phone in Airplane Mode allowed it to charge. I've since restarted the phone and it?still exhibits the same behavior when not in Airplane Mode. We mostly never turn off the various radios on our iPhones ¨C the Wifi, the Cellular,?the Bluetooth, and even the GPS receiver. But the farther we are from their targets, the more energy those radios use to?maintain(or TRY to maintain a connection.? Turning them off (i.e., Airplane Mode) can greatly reduce the iPhone¡¯s energy use. Also, charging from the laptop is limiting your charging rate to about 5 watts or less?(I think; later model MBPros with USB-C ports *may* do it faster). But you can get a good dual PD (power delivery) car charger that will provide 18?watts: <> You will need a quality USB-C to Lightning cble, of course, if you don¡¯t already have one. --? Jim Saklad jimdoc@... |
Howdy
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When is last time you shut all devices off and restarted? [|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|][|] iSent from iDan's iPad Air 2019 On Oct 31, 2019, at 7:38 PM, Dane Robison via Groups.Io <macdane@...> wrote: |
¿ªÔÆÌåÓýOn Nov 1, 2019, at 12:44 PM, Jim Saklad via Groups.Io <jimdoc@...> wrote:
Oh, I have all the charging stuff, but it's in *my* car. I ended up out of state yesterday in my wife's car so I didn't have any of my goodies with me and charging from the laptop was my only option. I was fortunate to stumble across the ability to charge by turning Airplane Mode on, but still curious why the "Trust this computer?" message loop started up again as soon as I'd turn Airplane mode back off. And, of course, the real problem is that once that loop begins I can't charge, presumably because I can't answer the question. It seems to me the phone is "protecting" itself from being plugged into a potentially malicious computer, but it would be much more helpful if it could somehow only block data transmission while allowing the charge to happen. Dane |
Admittedly, I don't do that often. But I did it last night and it made no difference. The only thing that helped was putting the phone in Airplane Mode. It would charge fine that way without asking any questions, but the problem returned whenever I turned Airplane Mode off.
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Dane On Nov 1, 2019, at 1:35 PM, Daniel Settles <denver1.dan1@...> wrote: |
I will vouch for Jim's claim that distance from the transmitter greatly increases drain, and not signal and searching increases the drain even more. I used to literally work in some farmers field, where cell signals might not be present. I was often at construction sites in farm land in very rural areas. Cellular and wi-fi signals were scarce. CyberPower makes a very good convertor/charger for use in a vehicle, which have very "dirty" power. These will clean up the power and protect your devices. Brent On Nov 1, 2019, at 9:44 AM, Jim Saklad via Groups.Io wrote:
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When I traveled for work, my electronics devices went into a backpack, and supporting things like GPS, chargers, convertors, extension cord, adapters, etc all went into a toilet kit or ditty bag into the backpack. On Nov 1, 2019, at 11:20 AM, Dane Robison via Groups.Io wrote:
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