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Hardware Hacking Apple Technology

Apple Watch's Hidden Diagnostic Port To Allow Battery Straps, Innovative Add-Ons 113

MojoKid writes: Apple's Watch launched two weeks ago to some unbelievable hype and coverage in the press. However, it appears one feature flew under the radar and Apple actually had just one more trick up its sleeve. You see, on one side of the watch face is a hidden door that exposes a 6-pin port. It's assumed that this could be used for diagnostic purposes, but with an Apple Watch in hand, a company by the name of Reserve Strap was able to verify that it could also be used for charging. This seems pretty huge and strange at the same time: why would Apple keep such a thing quiet, when the Apple Watch's battery-life isn't what most people would consider impressive? Even more interesting is the fact that Apple didn't make use of this port to release its own charging straps — watch straps that carry a charge themselves. Apple's lack of transparency here doesn't much matter, though, as the aforementioned Reserve Strap is planning to get such a product to market as soon as possible. The company says about its first offering: "The Reserve Strap will come in White, Gray and Black and will fit both the 38mm and 42mm case sizes. The first batch of straps will be shipped in the Fall.
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Apple Watch's Hidden Diagnostic Port To Allow Battery Straps, Innovative Add-Ons

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  • by Anonymous Coward on Monday May 04, 2015 @04:32PM (#49615485)

    And there hasn't been a day where I thought I'd run out of battery power. I've been wearing it at night, and most mornings I wake up with it still about 30% full. This is the 42mm model.

    • by kirkc99 ( 2882627 ) on Monday May 04, 2015 @04:41PM (#49615587)
      Ditto. I watched battery life closely the first couple days. After that, I haven't given it any thought.
    • by mveloso ( 325617 ) on Monday May 04, 2015 @04:42PM (#49615595)

      "Apple Watch's battery-life isn't what most people would consider impressive"

      This is yet another bullshit clickbait statement. Never gotten below 30% on mine, even when my phone has run dry.

      • by pla ( 258480 ) on Monday May 04, 2015 @04:51PM (#49615703) Journal
        Battery life of an existing device won't go up over time.

        If a brand new one has only 30% at the end of the day, a year from now (or an OS update, whichever happens first) you'd better get used to charging your watch at lunch.
        • by vux984 ( 928602 ) on Monday May 04, 2015 @05:12PM (#49615903)

          a year from now (or an OS update,

          Or he loads up a few more of those apps for it...

        • by Anonymous Coward

          That's simply not true. My Moto X gets about the same battery life today as it did when I bought it in 2013. Lithium batteries only get serious wear when charged/discharged outside of the normal operating region. As long as you don't let your watch drain all the way to zero every few days, it should last a good long time.

        • by Bogtha ( 906264 )

          If a brand new one has only 30% at the end of the day, a year from now (or an OS update, whichever happens first) you'd better get used to charging your watch at lunch.

          You're being ridiculous. No OS update or battery degradation over a year is going to reduce the capacity to less than half. The battery itself is is rated to retain 80% capacity for a thousand cycles and battery tech is pretty predictable.

          • He wasn't suggesting it would reduce capacity, but increase consumption.

          • The issue is that, at the moment, no apps are really running on the Apple Watch itself, but rather, the display is basically streamed over Bluetooth from the connected iPhone. Once apps run on the watch itself, the situation will change.

            Now whether it ends up being better or worse is anyone's guess, it will probably depend on the apps and implementation details, but I would expect that for most apps, it won't reduce power consumption.

            • by Bogtha ( 906264 )

              I would expect that for most apps, it won't reduce power consumption.

              Why would you expect that? What apps will be able to do will be extremely curtailed - e.g. they will probably follow the original iPhone model of halting the process whenever the user isn't using it. Aside from the display, the radio is probably the biggest power draw on the system, plus there won't be any length negotiation with the phone, so having non-background applications run directly on the device will probably help battery li

              • I guess it depends on the scope of applications, but I expect that typical apps will still use the radio to update data, but as they go native on the watch they'll start to do processing on the watch itself.

                We'll have to wait and see, it really depends on what sort of apps end up being popular.

      • Re: (Score:2, Insightful)

        by geekmux ( 1040042 )

        "Apple Watch's battery-life isn't what most people would consider impressive"

        This is yet another bullshit clickbait statement. Never gotten below 30% on mine, even when my phone has run dry.

        So, while the device that actually provides real functionality to your iWatch is dead, we're not supposed to believe the bullshit clickbait statements.

        There's a true Apple fan...

      • by Morpeth ( 577066 )

        Let's so, YOUR opinion supersedes everyone else's then? The p1ss poor batter life is a major reason that I didn't get one. I might someday, but ~1 day is crap. That and it's not truly waterproof. Kind of important if your exercise includes the water.

      • by Anonymous Coward on Monday May 04, 2015 @06:06PM (#49616441)

        Not really. Full disclosure: I've got a Pebble Time ordered with 7 days battery life.

        "My Apple Watch never gets below 90%! Sure I'm charging it every 15 minutes, but it's battery life is a non-issue"

        For a watch where a regular watches battery lasts years, a watch with a battery life of a single day at best is hilariously bad.

        • by Anonymous Coward

          For a watch where a regular watches battery lasts years, a watch with a battery life of a single day at best is hilariously bad.

          They may be calling it a 'watch' but it's a bit more than just a electric motor that turns three dials in circles so if you can convince yourself to stop regarding this device as a watch and see it as a wrist mounted tablet perhaps the battery life is less disappointing.

        • by Bogtha ( 906264 ) on Tuesday May 05, 2015 @02:48AM (#49618823)

          For a watch where a regular watches battery lasts years, a watch with a battery life of a single day at best is hilariously bad.

          But nobody needs a watch battery to last years though - the comparison is meaningless. People don't use their watches while they sleep - charging every night in exchange for the extra functionality is a good deal for most people.

          • People don't use their watches while they sleep - charging every night in exchange for the extra functionality is a good deal for most people.

            Depends on how you use it. I use my Pebble for sleep tracking, and it vibrates in the morning when my alarm goes off.

            Yes, I could do without that; I just use it 'coz it's there. Then again, I can also do without all the "bloat" they seem to be adding to smart watches. Trading in the extra functionality for longer operational time between charges is a good deal to me. I don't need a miniature tablet on my wrist, I just want something that notifies me of incoming calls, SMS, emails and IMs, and calendar event

      • Maybe that's because your standard for impressive is a little different than other peoples? The last watch I wore had a battery that lasted a couple of years. I find the idea of a watch that needs a weekly charge, let alone a daily charge to be abhorrent. MAYBE if it was a replacement for a cellphone I'd be all right with daily charging, but it's not even that. It's a little extension for those people for whom pulling their phone out of their pocket is too much of a bother.

      • "Apple Watch's battery-life isn't what most people would consider impressive"

        This is yet another bullshit clickbait statement. Never gotten below 30% on mine, even when my phone has run dry.

        If the battery lasted until the heat-death of the universe, most people would consider it impressive.
        If the battery lasted until the sun dies, most people would consider it impressive.
        If the battery lasted until the year 2050, most people would consider it impressive.
        If the battery lasted 12 months, most people would consider it impressive.
        If the battery lasted a month, most people would consider it impressive.
        If the battery lasted a week, most people would consider it acceptable.

        At a week's battery

        • Used to be that you had to wind watches every night, I don't recall people complaining.

          • Used to be that you had to wind watches every night, I don't recall people complaining.

            Seriously? Ten seconds of twisting a knob is the same as taking the watch off and leaving it plugged in for the couple hours it takes to fully charge, during which you can't use it?

            Also, people used to not complain that you couldn't tell time on cloudy days because the sundial didn't work. Progress is progressive. The Apple Watch's battery lifespan isn't impressive which is what the person I replied to was pretty bombastically disputing. I reiterate: it's acceptable. But you already knew that.

            • Re: (Score:2, Insightful)

              by Anonymous Coward

              Ten seconds of twisting a knob is the same as taking the watch off and leaving it plugged in for the couple hours it takes to fully charge, during which you can't use it?

              Most people get at least "a couple hours" of sleep every night. How is "Twist the knob to wind it up, then sleep for 6 hours," all that different from "Connect watch to charger, then sleep for 6 hours"?

              While it'd be nice if the watch got a lifetime of use on a single charge... given the typical schedule most people keep, I fail to see how

              • It's a device with an accelerometer, heart rate monitor, and other sensors that would be immensely useful for sleep tracking. Unfortunately, despite being the best equipped for that task, sensor-wise, it's useless for the job simply due to its battery. Sure, the Pebble Time I ordered as an upgrade to my Pebble doesn't have a heart rate monitor on it, but at least I'll be able to wear it every night for sleep tracking and throw it on the charger when I go out to detail my car (or my wife's) on Sunday.

                As an
                • This is exactly why I will not be buying a first generation Apple Watch. I have wicked terminal (morning, not fatal) insomnia and currently use a Basis B1 for sleep tracking, so I can assess the effectiveness of various treatment. It has accelerometer, heart rate tracking, skin temperature, and galvanic skin response tracking, making it a fairly capable sleep tracker. However, it is hobbled by several factors: a plastic face that is easily scratched, the inability to see sleep data on the device, poor track
          • It also took just a few seconds to wind that watch, making it a minor inconvenience. How long does it take to charge an iWatch?
          • We complained, believe me. That's why I was so fond of my old self-winding wristwatch. It wasn't as precise as some, but but it was quite effective.

      • Who's piling up the bullshit? Two people in a row with the same answer. 'My watch has never gone below 30%.' You don't even bother to provide a time period over which your watch has never gotten below the magical 30% mark.

        Here's what we can assume from your statement. ____
        You haven't told anyone a thing. Like how long did it go without a charge? And more importantly, how many apps did you use and for how long? Because, again, you told us nothing. If you are just wearing it as a fashion statement, well I'm t

    • And you're bragging about that? Call me crazy, but I'm accustomed to replacing my watch battery every few YEARS. Charging it daily (or when the battery wears down in 6-12 months) twice a day is a complete non-starter.

      This is an interesting device, but a complete fail when it comes to utility.

    • by jblues ( 1703158 )

      And there hasn't been a day where I thought I'd run out of battery power. I've been wearing it at night, and most mornings I wake up with it still about 30% full. This is the 42mm model.

      With a little prescience we can go one step further than that. I simply strapped an iPhone 3GS onto my wrist. If we look evolution of the original iPhone through to the current iPhone 6+, it doesn't take a genius to see that a 3GS will be very similar in specifications to the iWatch, er, Apple Watch 6+

    • Agreed, no problem on watch battery (at 78% at the end of today). But it seems to be killing my iPhone battery, likely all the low level continuous Bluetooth communication. I know it's supposed to be blue tooth LE. But still my iPhone battery is dying. Anybody else having the same problem?

    • Yeah but you're still stuck charging it every day. Unless you want to push it to two days and go without it for 1/2 the second day.
  • by Anonymous Coward on Monday May 04, 2015 @04:32PM (#49615489)

    ...until Apple breaks it for unlicensed third party hardware, that is.

    • by TWX ( 665546 )
      And here I was, thinking that maybe they'd considered a battery strap, but with the rather public cases of batteries swelling up and bursting or catching fire, they didn't want customers blowing their hands off at the wrists...
  • JTAG? (Score:5, Funny)

    by TheGratefulNet ( 143330 ) on Monday May 04, 2015 @04:35PM (#49615515)

    well, its apple. so, not a JTAG port but a PRICETAG port, perhaps?

    • by Anonymous Coward

      maybe a future strap will be used to wirelessly charge the watch,

  • by Anonymous Coward

    ... why would Apple keep such a thing quiet,

    Uh, so that they have something to roll out in the future with more hype? Maybe share a charge with your iPhone or iPad?

    Some of you guys talk about elite Google engineers, but Apple's marketing prowess and ability is just incredible.

  • Plenty more to go. The single biggest one being, of course, only being able to use it with an iPhone. I mean, c'mon... at least give iPad support too!

  • Water Resistance? (Score:5, Insightful)

    by kirkc99 ( 2882627 ) on Monday May 04, 2015 @04:44PM (#49615613)
    The diagnostic port is hidden by a cover. I'd be interested to see if removing the cover adversely affect's the watch's water resistance. Also, having those electrical connections directly exposed to water, sweat, etc. cannot be good.
    • *affects. Pardon the stray apostrophe.
    • The diagnostic port is hidden by a cover. I'd be interested to see if removing the cover adversely affect's the watch's water resistance.

      It may somewhat, but given that the port itself is located under the round part of the band that slides into the watch, it seems like it would be sealed away fairly well (especially if you designed the strap with that in mind).

      It seems pretty sure sweat would not be able to get in there, really only submersion would have a chance.

    • by necro81 ( 917438 )
      Most every GPS watch produced by Garmin, Suunto, Polar, etc. has exposed gold contacts on the back face or edge for charging and syncing (usually over USB). Such watches are used by active people doing sweaty activities in all kinds of conditions: triathletes, hikers, bikers, etc. Gold contacts embedded in plastic does not present a water ingress problem (nor, except for a few isolated cases, adverse skin reactions). Doing it properly requires good design and manufacturing control, but Apple has made a b
  • For transparency doesn't give us the courage to find these hidden treasures which have been bestowed upon us.
     
    May we be forever grateful and humbled by our overlords.

  • There's a few reasons I can imagine Apple was mum on this. Either it just really isn't actually useful, or meant to be released, or the software/frameworks aren't ready for primetime.

    Still, my biggest concern is water resistance. It's exposed pins and it's a wearable. I can't imagine a strap alone is going to help matters here. Right now the watch can survive in relatively shallow depths for short amounts of time, but I wonder if it'll even survive getting dripped on with the diagnostic port exposed.

    • Sealed connectors (Score:5, Informative)

      by sjbe ( 173966 ) on Monday May 04, 2015 @04:55PM (#49615729)

      Right now the watch can survive in relatively shallow depths for short amounts of time, but I wonder if it'll even survive getting dripped on with the diagnostic port exposed.

      You are aware that sealed connectors are a thing, yes? I run a company that makes wire harnesses and it is a pretty straight forward exercise to make a water tight sealed connector good to reasonable depths. (It's very easy if you don't care about bulk) I don't know if this is the case here but I suspect it wouldn't be terribly hard for Apple to make a port water tight when open or connected. You could have corrosion of the pins over time, particularly with salt water but it would have to be pretty bad to compromise the seal.

      • Indeed. Look at the picture! It is just a line of metallic contacts. Easy peasy to make waterproof. The pointy parts are going to be on the band.

      • I'm waiting for Apple to put a charger in their iPhone so that you can place ur Apple Watch on ur iPhone for a quick partial charge.

      • by Anonymous Coward

        Agreed. I have a 2-pin connector on the side of my watch-style Suunto D6 dive computer. That's good to depths of 200 metres or more, so this is existing, well-established engineering...

  • Lawsuit (Score:5, Interesting)

    by jklovanc ( 1603149 ) on Monday May 04, 2015 @04:53PM (#49615715)

    Wait for Apple to sue them like they sued these guys [appleinsider.com].

  • According to the summary:

    but with an Apple Watch in hand

    Might I be the first to point out that if you have your Apple Watch in your hand you are probably doing it wrong...

  • by steveha ( 103154 ) on Monday May 04, 2015 @05:16PM (#49615941) Homepage

    I remember the first model of iMac had an undocumented card slot. People speculated that Apple used the card slot for factory diagnostics on the iMacs; third-party companies took advantage of the slot to add 3D accelerators; and then Apple revised the iMac design and left that port out.

    http://www.macworld.com/article/1014902/imacboards.html [macworld.com]

    If Apple hasn't announced the port, the port may be gone from the next iWatch release.

    Likely the problem is that there aren't enough patents on the port. Perhaps Apple will add a documented expansion port once they find some patents to encumber it.

  • by Anonymous Coward

    I've had the misfortune of having a Li-Ion battery enter thermal runaway while I was holding it, luckily I managed to drop it with only minor burns and some lightly melted clothing (the floor wasn't so lucky) I know people already carry these things around in their pocket and such, but wrapping one round you wrist is another matter, especially when you consider all the extra opportunities for puncturing the cells. Someone, somewhere, is going to end up with their hand amputated and cauterized in very quick

  • A hidden port is surely something that appeals to any geek. But geeks are not the ones buying an Apple Watch. What will it look like if you attach anything to this hidden port? Dead ugly? In that case, nobody who buys an Apple Watch will want it.
  • by Bogtha ( 906264 ) on Monday May 04, 2015 @05:28PM (#49616055)

    why would Apple keep such a thing quiet

    Because it's a sealed diagnostic port for a non-end-user serviceable product, not a feature. They aren't wishing anything up, it's just not something they have a reason to publicise.

    when the Apple Watch's battery-life isn't what most people would consider impressive?

    Actually, people's opinions on this are very mixed. Some people are reporting great battery life and improved battery life on their iPhone as well as they switch the screen on less. Some people report the opposite. Chances are, people who have just got a new gadget are playing with it all day, which obviously isn't representative of normal usage patterns or battery life.

    Apple's lack of transparency here doesn't much matter, though

    Why are you describing lack of publicity about a sealed diagnostic port for non-end-user serviceable goods as a "lack of transparency"? That is bizarre. You wouldn't expect that for any other company, let alone Apple.

  • Next hardware rev they'll remove the port, or worse, just slightly change the configuration of pins and size.
  • by liquid_schwartz ( 530085 ) on Monday May 04, 2015 @05:31PM (#49616073)
    So you have innovative straps and also adds ons. We'll call it the iStrapOn
  • About their platforms, especially the iPhones. I would expect them to be as or more so with a watch. I wouldn't expect this port to remain usable, in the same configuration or even be there in the future. Because that's how they work.

    Most of the time I sort of buy the benevolence in their designs (ie, the lighting port on phones) although generally speaking I think they're too controlling and they actually limit things you can use the devices for.

    But if you discover something that hasn't been advertised

  • Perhaps Apple don't want to put their name on a flexible strap tied around your wrist containing a lithium battery.

    It would be a PR nightmare if it caught fire. I don't think flexible battery technology is as mature as non-flexible batteries.

  • by Anonymous Coward

    Criminy, the battery in my watch lasts a couple of years on a single charge.

    Of course I only use my watch to tell time, or, in a pinch, to navigate.

  • by SuperKendall ( 25149 ) on Monday May 04, 2015 @07:46PM (#49617137)

    One of the things I was thinking the port was there for, was probably when developers could build native apps for the phone - since it would be a little pokey to ship debug builds and running debug info over wireless to the watch, a development cable would be a great idea.

    It's probably also for Apple Store employees to run diagnostics (not sure if they have equipment for that yet).

  • by Anonymous Coward

    The diagnostics port offers a direct power input that bypasses the majority of the induction charging circuitry because all that stuff is software controlled. Under certain (and very rare) circumstances, it might be possible to damage the watch in such a way that it becomes impossible to charge using the included accessories. For that reason and that reason only, the diagnostics port offers a guaranteed ability to charge and power the watch so any software related repairs can be made.

    Just to be clear, the d

  • ... 3 ... 2 ... 1 ...

  • Once a watch can go a week without being charged, then I will consider.

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