I have an iPhone 5 that I pretty much only use while it's connected to the charger it dies anywhere from 90-100% it barely goes lower than that before it dies. I can usually wait a couple minutes and turn it on again but then it dies even quicker than before. Anyone know the problem? Do I need to replace the battery or what? And how much does it cost to get a new battery? Thanks. Oh and it's blacklisted I don't know if that makes a difference
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