Remove the back cover using the opening tool, this will avoid scratching the case.
Step 2 Battery
Remove the battery, pulling from the bottom.
Step 3 SIM and microSD cards
Remove the SIM card (s) and the micro SD card.
Step 4 Intermediate housing
Remove the 11 Phillips screws that hold the middle housing, including the one hidden behind the sticker with the letters "QT" (marked in blue).
Step 5
Disassemble the intermediate housing (frame included) with the opening tool.
Step 6 Flex volume buttons
Unplug the flex from the motherboard, by pulling on the tab of the connector and gently pulling on the cable.
Step 7
Peel off the chassis flex with the metal spatula.
Video Tutorial summary
In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.