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What's the real reason that laptop batteries are made not-accessible?
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ogden:
Audio jack was one of requirements for all my phones including current one. On the other hand I am not expecting that phones manufactured for the masses will have such. You shall be neither.
ejeffrey:

--- Quote from: David Hess on December 07, 2021, 04:24:09 am ---
--- Quote from: IanB on December 07, 2021, 01:27:57 am ---I think the disappearance of SD cards is surely due to pervasive availability of wireless networking and cloud storage?
--- End quote ---

SD card support is an extra expense and of less utility now that large amounts of storage can be included inside the phone.

--- End quote ---

Cheap SD cards are slow, their presence significantly complicates the UI and device management needs to pick what goes on internal vs. external storage, and it is hard to reconcile with "just works" device encryption.

Network based off-device backups are in my mind a necessity.  I carry my phone around all day.  I'm not reckless but there is always a chance it gets lost or broken.  There are good reasons to not want commercial device backup/storage but then you can roll your own.  Once you have network backup working and can already store a total reasonable amount of local data on the built-in storage, I just don't see the need for an SD card for most people.  I know some people *want* it, and I know that some people have use cases that would really benefit from it, but I certainly wouldn't give up much of anything for an SD card.

Same with the battery for that matter.  I would prefer a user replaceable battery, and I wouldn't mind if the phone were a bit thicker to accommodate it, but I wouldn't give up battery, cost, IP rating, or much of anything else to make room for it.  Most non user replacable batteries can be replaced either by the manufacturer or any number of third party services.  It costs a few dollars more and is more inconvenient than doing it yourself, but paying $100 to replace a battery in a $500 phone or $1500 laptop that gives it another 3-5 years of useful life?  It's totally worth it.  I wouldn't want to compromise the daily utility of the phone for something I replace every few years.  And if your battery is needing to be replaced every 2 years, the problem isn't with the non-replaceable battery it is with the crappy design.
IanB:

--- Quote from: james_s on December 07, 2021, 09:12:38 pm ---I know lots of people that use the headphone jack on their phone, when the device is meant to double as a portable music player there's a good reason for it. Bluetooth audio has its place, but sometimes it's just a hassle to deal with more devices that need to be charged up.
--- End quote ---

This is a stumbling block for me. I was just checking out the latest offerings in Bluetooth headphones, and they have some very nice features. But they all have a rechargeable lithium battery that can wear out. Bose, for instance, has a policy of no battery replacement. I don't want to pay $300 for a device with a built-in end-of-life clock.

I far prefer to have devices that use AA or AAA rechargeable batteries, so I can simply swap or replace the battery when needed.
SilverSolder:

--- Quote from: ejeffrey on December 07, 2021, 10:40:16 pm ---[...]  if your battery is needing to be replaced every 2 years, the problem isn't with the non-replaceable battery it is with the crappy design.

--- End quote ---


The battery is likely too small for the max workload the phone can do, so it gets cycled to death with multiple recharges even intra-day.

...And/or the device gets hot in use and bakes the battery to death.

My worst case phone workload is running both Waze and an OBDII scanner app with a dozen gauges simultaneously, with Messenger and the rest of it in the background.  The phone uses so much power that the charger can't keep the battery from slowly draining during the hour or two that the journey lasts....  the phone gets glowing hot, too.  In summertime, I sometimes get an error message due to high battery temperature....





NiHaoMike:

--- Quote from: james_s on December 07, 2021, 07:01:47 pm ---I don't want to have to use a dongle or buy new earbuds, I want the stuff I already have to just plug into it like I do with my current phone. I also sometimes connect a cable to a stereo system to amplify music playing on my phone.

--- End quote ---
Are you also the kind to complain that the latest RTX 3090 doesn't have a VGA port so you can't plug your Trinitron into it? Really, single ended signals that can go below ground aren't the easiest to design particularly for portable devices and is also not ideal for signal quality.

I suppose a differential analog audio standard for consumer use could be developed, but it would be facing a losing battle compared to digital audio.
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