- This 12 Series PWEXT board is made for some screens for iPhone X to 13 which made of TFT quality (Not OLED or original or OEM)
- Normally you do not need this board to screens for iPhone X to 13, just some brands like ZY, RJ their TFT quality screens when connect with S300 device and the backlight looks very dark then you may need this board to test.
- Only made for some brands TFT materials for iPhone X to 13
How to identify whether i need this board or not?
- Check with your vendor whether you need this board to test their screens
- If your screens are TFT quality, you test OLED or original screens are no problem but when you test TFT screens and find its backlight dark and you are sure this TFT screen is working fine, then you may need this board to test