We apply heat to the device to remove the battery cover with the help of a heat gun. We apply, 90 Celsius degrees during 4 minutes use an ultrafine plastic card to soften the adhesive. Furthermore, we remove the back cover. Now we remove the plastic protectors. Now we lose the connector of the fingerprint sensor. Scanner touch ID.
We release the screws from the top of the device, remove the screws from the bottom of the device very carefully. We are going to remove the middle frame to continue with the disassembly process. First, we have to remove the battery flex to loosen the adhesive. We use a contact cleaner or isopropyl alcohol. We remove the battery, we have finished the disassembly process.
Now we return with the as assembly process. We have finished the ass assembly process. You.
Source : MovilOne Phone Repair