Which is correct please? Under or by?
Apple-branded accessories, including Apple Pencil, are covered under/by the Apple One Year Limited Warranty for accessories.
There's no fee if your battery is defective and your iPad is covered by/under warranty, consumer law, or AppleCare+.
Thanks
Both are OK. I usually say and read by .
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.