IPhone 4 Battery Changing Problem?

I recently ordered a new higher capacity battery for my iPhone 4. I had the phone off, & when i attached the new battery, it didn't do anything but after a few seconds it sparked and let out some smoke. I immediately took the battery out and put the old one back in, and the phone and old battery still works fine.

Is the new battery broken? Or is that okay?

IPhones are designed so that only a professional apple technician can replace the battery. You should go to them to replace the battery.

The new battery is probably broken and shouldn't be used or you risk ruining your phone.

I didn't even know you could change or remove the iPhone 4 battery. If the hi capacity battery was not from Apple, then the problem was with the new battery. At least it didn't ruin your phone. See if you can get a refund.

BROKEN FOR SURE, YOU BOUGHT A ORIGINAL ONE? AND OHH DOWNLOAD BATTERY DOCTOR WHICH INCREASE THE BATTERY LIFE ABOUT +2 HOURS OF WATCHING VIDEOS. IF you CAN WATCH 5 HOURS VIDEO WITH THIS BATTERY DOCTOR GOES TO 7.

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