Phone questions, answered clearly
Direct answers first, important conditions next, and primary sources for verification.
Is 80% battery health bad?
It is not automatically dangerous, but 80% maximum capacity is a useful service threshold: expect shorter runtime and consider replacement if the phone no longer lasts through your day.
Read the full answer →ANSWERCan I use a 65W charger with an iPhone?
Yes—when the charger and cable comply with USB-C Power Delivery, a 65W adapter is safe to use. The iPhone draws only the negotiated power it supports; the adapter's rating is its maximum output, not forced input.
Read the full answer →ANSWERWhen should I replace my phone?
Replace your phone when it can no longer do essential jobs reliably, no longer receives needed security updates, or costs more to repair than its remaining value. A weak battery alone may be cheaper to replace than the whole phone.
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