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https://www.ifixit.com/News/apple-is-locking-batteries-to-iphones-now
By activating a dormant software lock on their newest iPhones, Apple is effectively announcing a drastic new policy: only Apple batteries can go in iPhones, and only they can install them.
If you replace the battery in the newest iPhones, a message indicating you need to service your battery appears in Settings > Battery, next to Battery Health. The "Service" message is normally an indication that the battery is degraded and needs to be replaced. The message still shows up when you put in a brand new battery, however. Here's the bigger problem: our lab tests confirmed that even when you swap in a genuine Apple battery, the phone will still display the "Service" message.
It's not a bug; it's a feature Apple wants. Unless an Apple Genius or an Apple Authorized Service Provider authenticates a battery to the phone, that phone will never show its battery health and always report a vague, ominous problem.
(Score: 0) by Anonymous Coward on Thursday August 08 2019, @02:44PM (3 children)
Some guy in china did a youtube comparing the cheap batteries with the more expensive ones. They were all pretty much the same. The $5 battery may be a used/repackaged one but that's about it.
(Score: 2) by Immerman on Thursday August 08 2019, @03:05PM (2 children)
Ahh yes, some guy on youtube. Always a reliable source. Besides, you wouldn't expect to see any difference between high-quality and low-quality batteries in a brief test anyway, at least not beyond deceptive labeling - it's the long-term durability that's primarily sacrificed by cutting corners. Just like used - when a large portion of the operating life has already been expended.
All I know firsthand is that I've bought several cheap batteries when money was tight - and a lot fewer mid-tier batteries when it wasn't. And that the $5 battery that claimed to have 2x the capacity of the OEM model didn't even reach a full 1x (not that I ever expected it to - but it was super cheap and I was about 50% sure I'd need to replace the whole phone after it sat, charging, in a puddle overnight when I could least afford it).
(Score: 0) by Anonymous Coward on Thursday August 08 2019, @03:15PM (1 child)
Just let the guy have his quadriple bypass at Havanna General Hospital.
(Score: 0) by Anonymous Coward on Friday August 09 2019, @02:49AM
> ... have his quadriple bypass at Havanna General Hospital
You might want to re-consider the example you chose?
http://en.granma.cu/cuba/2015-10-09/cuban-medicine-achieves-over-95-heart-surgery-survival-rate [granma.cu]
Certainly other services in the "third world" may not be up to "Western standards", but many are as good or better. YMMV, do the research in advance!