Winter movie about 2 brothers, one of which turns to ice; NOT the Snow Queen

I remember bits of this older animated movie I saw when I was little; it was about these two little kids who were brothers. The parents told the older brother to look after his younger brother while they went out, but the older brother neglected to do so and the younger brother went out into the snow with a lantern. It eventually went out and something happened where the little brother started turning to ice or something and the older brother found him and tried to save him and I think the little brother shattered but was brought back to life when the older brother cried on him maybe and I don’t remember much else but I know it was not The Snow Queen, which is all I get as a result when I search for this movie. Please help! It’s driving me mad.

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