How is the process of replacing the battery in the iPhone 7?
In order to disassemble and replace the battery in the iPhone 7, you need to use only professional tools, first, you need to unscrew the two lower screws of the phone which are located on the bottom frame of the phone, the iPhone 7 display is glued to the phone with water-repellent glue, so you need to use a heating separator. properties became softer and it was easy to separate the display from the case. Heat the front of the phone for a few minutes on the separator. Next, with the help of vacuum suction cups that are fixed on both sides of the phone, raise the display and using a special mediator inserted into the gap formed between the screen and the case, with careful movements, separate the screen from the case. Next, take a three-bladed screwdriver and unscrew all the screws that secure the protective plaque, unfold the screws in the order you want, all the unscrewed elements are unfolded in the same way, so you can easily assemble the iPhone 7. To unscrew another protective bar that locks the loop of attachments, you will need a Phillips screwdriver, unscrew the two screws. To de-energize the board, disconnect the battery cable, after disconnecting the battery, disconnect the cable of the attachment, and the two cables of the display.
The next step is to unscrew the two screws that fix the Taptic Engine and the two screws that fix the place of its connection to the charging loop, disconnect the vibromotor loop, and set it aside. Now, carefully hooking tweezers to the end of the sizing to which the battery is attached to the body, alternately remove the silicone sizing, with smooth movements, evenly and to one side. Now you can get the old battery out of the case and replace it with a new battery in the iPhone 7. If there are traces of silicone sizing on the case, remove them with alcohol. A new silicone sizing must be applied to the new battery so that the battery does not wobble in the middle of the case. To do this, remove the first protective layer from the new sizing and glue it to the battery first. Before installing a new battery in the case, for greater accuracy of centering the battery, connect and install back into the case of the Taptic Engine, securing it with screws. Remove the second protective layer from the silicone sizing, center the battery in the center, and then glue to the iPhone 7.
Before assembling the iPhone seven, you first need to remove the remnants of the old display sizing and degrease the place for applying the new display module sizing. To remove the display sticking, we use an ordinary ear stick and isopropyl alcohol. Apply alcohol on the gear stick and carefully remove the remnants of the old sizing so as not to damage anything. Also, some sizing residue may remain on the frame of the display module, with careful movements to avoid damaging the front camera cable and the screen cables must also be removed. Only after these steps, restore the protection against water, apply a new water-repellent sizing, the first stage, remove one of the two protective layers of sizing and apply it to the iPhone 7.
The next step is to connect the cables of the display module and the cable of the attachment with sensors to the motherboard, only after that we connect the connector of the battery. Before performing the following assembly steps, you need to check whether the new battery is working and whether you have damaged anything while disassembling the iPhone 7. If the iPhone 7 is turned on and booted, then all manipulations were performed clearly and correctly and the new battery is working. After checking, we replace the protective covers that fix the connection of the connectors of the cables and the board, tightening the screws clearly in their places, because if you confuse the screws in places, there is a high probability of damaging the motherboard. Once all the protective covers are in place, remove the second protective layer from the reflective sizing of the display. We begin to install the display module in the case, we do it at first from the top part of the case so that fixing elements of the display module went into grooves of the case, further we lower the display on the perimeter with careful movements. Before the final closing of the case, check that the rubber bands on the legs of the display where the two lower screws will be screwed are in place. Close the phone and screw in the two screws on the bottom of the iPhone 7. This completes the battery repair on the iPhone 7.
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