unfortunately, this step is necessary. More and more often we buy non-original spare parts (mainly due to the price but also due to the lack of availability of genuine spare parts). These, especially Chinese ones, are often incomplete or not working.

Connect the whole new set to the tablet and test their operation. If you do not peel off the protective films, you can easily return the purchased non-working items and request a replacement or refund. If the technical film is removed earlier, dishonest sellers try to blame us - the owners of the devices for installation faults

don't forget to remove the battery protection layer that has been inserted between the pins of the motherboard and the battery. Tighten the screw in the port to make sure you have full contact.

check the operation of the new elements, especially the entire touch layer. If you notice "dead lines", disconnect the digitizer and return it to your seller. Don't forget to remove the securing screw from the battery port beforehand and use the motherboard and battery pins protection