[問題] S7保固內更換電池和前鏡頭
小弟我s7快用滿一年了
想說趁保固內去更換一次電池（感覺續航有下降）順便換前鏡頭（前鏡頭模糊）
想請問換電池要錢嗎？
之前在網路上看到只要跟店員說電池續航下降都會免費更換？是這樣嗎
那還有前鏡頭模糊的問題 只要跟他描述的話就會直接修理嗎？
如果修理這些問題手機需要備份嗎？會不會被清除資料？
目前就這2個問題
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討論串 (同標題文章)
完整討論串 (本文為第 1 之 3 篇)：
問題
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