[ajkjk]

Er... isn't it obvious? They could mail you the replacement battery?

[greglindahl]

How did you figure out that the battery is the problem? Samsung has yet to figure out a root cause, so it may be mechanical design, or ...

[ajkjk]

No, I mean, instead of recalling 2.5m phones, you replace 2.5m batteries. Which you can do. Because they're replaceable.

[andromeduck]

Samsung tried shipping different batteries in the replacements but those still acted up. It's pretty unlikely replaceable battery which have done much.

[ajkjk]

Sure, but that doesn't change how much easier, cheaper, and less invasive to customers the replacement can be when you can take the batteries out.