Samsung Galaxy Grand Neo Plus – Disassembling procedure – How to replace the touch screen

Remove the battery and any installed SIM and memory cards.

There are 12x small Phillips screws, remove them.

With a plastic tool start the disassembling from the bottom side.
You can use more then one plastic tool.

The rear bezel is locked to the frame near to the battery connector. Use a tool with a sharp tip and unhook it.

Now you can separate the rear bezel.
This is the Loudspeaker (in case if you want to change it).

Remove one Phillips screw.

Disconnect:
Vloume UP/DWN buttons flex cable and Power ON button flex cable.
LCD flex cable
Front camera
Audio jack flex cable
Now gently remove the logic board

Remove the front camera.

Disconnect the touchscreen flex cable and unstuck it from the middle frame.

At the bottom side, under the touch screen glass is the menu buttons flex cable. Be careful for it when you separating the glass from the frame.

Warm the glass. This will soften the adhesive tape. You can use hot air gun or hair dryer.
With a plastic tool start the separation at the upper side.

You can warm the glass again to separate the glass easier.

Gently unstuck the menu buttons flex cable and remove the glass.

There is a small plate in the touch screen flex cable slot. Remove it to allow the flex cable of the new touch screen to pass.

Remove the remnants of the adhesive sticker and clean the LCD.

Install the new touch screen and start with the reassembling.