+0
do we say I need to replace my phone battery because it is dead/flat ?
+1
I can't speak for others in the English-speaking world, but I would say that the battery is dead. On the other hand, I don't even have a phone with a battery, so I'm not an expert. Still, flat sounds odd to me.
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I believe you will find that the Brits say that a battery is "flat" when they mean it's "dead." Those Brits can be very odd. Emotion: smile

I would definitely say my phone is flat, but all my friends insist I'm wrong and that you say dead instead. I cannot say what the rest of England would say though.

UNICORN785

I would definitely say my phone is flat, but all my friends insist I'm wrong and that you say dead instead. I cannot say what the rest of England would say though.

You can use either word. It doesn't matter.

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