Re: What's the actual *advantage* of not having an sd slot?

Marion <marion@facts.com> wrote:

On 2 Jul 2025 12:21:53 GMT, Frank Slootweg wrote :
 

every brand
name charger is a *correct* charger, because it implements the USB power
protocols.

 
I'm all about facts.

  As many others have also said: No, you're not. Most of your 'facts'
aren't facts, but opinions, assumptions, etc.. But let's not go there
again.

But, maybe I misunderstood you, and if I did, I apologize.
And, it seems clear you misunderstood me also. So let's fix this.
 
Starting over, let's stick with just the facts.
 
The fact is that every device will take a range of chargers and protocols
(which everyone knows) but what most people absolutely do not know is that
some USB-charged devices will not charge with some USB chargers. Period.
 
That's just a fact.
 
I didn't see any evidence that you understood that fact.
Nor did I see any evidence that Arno understood it.
 
While it sounds counterintuitive (since it's a USB charger) the problem is
in the wattage and in the protocol. And obviously, in the negotiation.
 
These are just facts.
 
If you understand those facts, then that's fine with me.
This all started with someone saying that any USB charger will work.
>
That's not correct.

  I don't think anyone said *that*. I said:

[Rewind/repeat:]

every brand
name charger is a *correct* charger, because it implements the USB power
protocols.

[End repeat.]

  But that is *not* saying "that any USB charger will work", where
'work' means charge the device. (Because a too low power/voltage
might/will not charge a high-power device and a too high-power charger
might not charge a (very) low-power device.)

I know of cases where USB-C devices will NOT charger with a smart charger.

  What's (in this context) a "smart charger"? *Any* USB BC/PD charger is
a 'smart' charger because it implements the USB power protocols.

It's documented in their instructions.

  I've seen no such specific instructions, only general CYA comments
like "use a correct/compatible/<whatever> charger". YMMV/YMWV.

I also know that there is a MINIMUM required wattage specified as of June
20, 2025 for all phones that are sold in the EU.
 
Notice this phone requires as a minimum, a 10-Watt charger.
 <https://epreol.ec.europa.eu/screen/product/smartphonestablets20231669/2339789>

  Duh! Of course newer phones need more powerful chargers to have
acceptable charging times.

While I have no idea what happens if you try to charge those phones with a
lower-than minimum wattage charger, I do know the first phone I looked up
had a 10-watt minimum wattage. So a 5-Watt brick is well below the minimum.

  My first phone had a 400mA (2W) charger. Second had a 1A (5W) charger.
Third/current (Samsung Galaxy A51) has a 10W/15W charger, but happily
charges on a 1A/5W charger.

In summary, there are two facts I know that most people do not know.
1. Many USB-charged devices will NOT charge with the newer chargers, and,

  "newer chargers" is a meaningless term. Either they confirm to the USB
BC/PD specs or they don't. For example: A tad silly to call my 12 year
old charger a "newer charger", don't you think!?

2. Every phone sold in the EU has a minimum "required" charging wattage.
 
As long as you and Arno are aware of those two facts, I'm fine.