iPhone5-34Flat-iOS7_PRINTiPhone 5 users who suddenly saw their battery life drop off a cliff have good news: Apple is offering a free battery replacement for impacted phones.

Before anyone gets their hopes up about a free battery replacement, Apple is limiting its program to phones within a particular range of serial numbers that were sold between September 2012 and January 2013. The company has set up a site where users can check their serial number against the list of phones included in the program and figure out if they’re eligible.

Users who have phones included in the program can get the ball rolling by contacting Apple support, visiting their local Apple Store or Apple Authorized Service Provider. The whole process won’t be painless, though: Apple said that users will have to prepare for it by backing up their phones, turning off Find my iPhone and then erasing their data.

There’s one other hitch: the replacement program won’t be free for people with cracked screens. Because Apple has to remove the phone’s screen in order to service its battery, the company will have to replace any cracked screens that it comes across for a fee. It costs $269 to replace an iPhone 5 screen, which means some people may have to choose between saving money or a well-functioning battery.

People who want to check if their phone is eligible for the program can do so here.

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