"No user replaceable parts" is the message one usually gets these days, but that isn't always true. In fact with my almost 10 year old Sony Walkman, there isn't even supposed to be any manufacturer replaceable parts but it's amazing what you can fix with the help of Google and YouTube.
By early last year my Walkman battery wouldn't even last a day (can't complain after nearly 10 years), so I decided to Google around and find out if it was actually possible to even source a battery, never mind replace one. Either that or shell out for the new current replacement Walkman which was around £100.
I eventually found a modern Lithium Polymer battery for my model, and also a video on YouTube showing the taking apart of a Walkman very similar to mine.
And like the Apple stuff, the two halves were glued together, but ... it was also held by four minuscule screws which meant glue wouldn't be needed to put it back together securely. And, if I messed up it was no big deal as it was for the bin anyway.
As mentioned above, getting everything apart and the old battery out (also glued) was really fiddly, especially the connector on the battery cable ...

That thing was so tiny I needed reading glasses and a magnifying glass to see the connecting bits.
To cut this short, I managed to change the battery, even connecting it up without damaging those tiny connectors, screwed it back together, switched it on and ... "BOOM!!"
I'm lying, it worked perfectly and is still working perfectly a year later, and that battery lasts longer than the original. All for a total cost of £13, including postage.
For anyone interested, I sourced the battery here ...
Replacement Batteries:
I must have been brought up to mend and make do as I'd rather have a try at fixing anything before chucking it away. It wasn't even the £100, it's just really satisfying to fix something the manufacturer says can't be fixed.
Oh yea, this topic is about Apple isn't it ... wouldn't buy anything Apple. Ever.
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