Do I have to re-put the adhesive strip for the battery?
I recently disassembled an iPhone 5c to replace the battery. It didn't have adhesive strips but instead it was simply glued, so I just took it off by force. The phone is working now, and the battery is in place.
My friend has 3 iPhones: 5, 5S ,5c. However, I am afraid that I'll need to also buy adhesive strips for the battery. Is this obligatory? Can I just put the battery and connect it? And was it bad that when i put a battery in the iPhone 5c I didn't glue it back?
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