We eject the sim tray and the micro SD tray. We release these two screws. Furthermore, we remove the back cover. Furthermore, we release the screws from the top of the device. Furthermore, we remove the plastic protection from the top of the device to continue with the disassembly process. First, we have to remove the battery flex in the description.
I leave you the links of the tools and spare parts that we use. If you liked the video don't forget the like. Thank you to loosen the adhesive. We use a contact cleaner or isopropyl alcohol using a plastic tool. Let's remove the battery.
Now we return with the ass assembly process. We have finished the ass assembly process.
Source : MovilOne Phone Repair