How and where to replace your old, depleted iPhone battery - The Verge
iPhone 5」の部品コスト、16GB版は推定167ドル:ビジネスニュース - EE Times Japan
Apple announced it officially apologizes for the old iPhone's performance degradation problem and discounts more than 60% of the battery replacement cost - GIGAZINE
Retro review: I bought an iPhone 4s and spent a day with it | Technology News,The Indian Express