3.8'/3.95' lcd display no display

Hi, i’m having a problem with my display, 3.8’/3.95’ lcd display. It keeps producing white screen without any display. This is where i bought from :
https://shopee.com.my/4.0-TFT-LCD-Color-Display-Screen-Module-for-Ar-UNO-Mega2560-i.28797268.1530154907
The image of the TFT display is attached.

I’ve conducted a test with MCUfriend diagnose_TFT_support code and here is the outcome:

tft.readID() finds: ID = 0xD3D3
MCUFRIEND_kbv version: 2.9.8
Probably a write-only Mega2560 Shield
PORTRAIT is 320 x 480

I’ve tested with Arduino Mega using UTFT library and so many various parameters as below but no output on the screen. I’ve no idea what was going on.

//UTFT name(module,Rs,Wr,Cs,Rst);
//UTFT myGLCD(CTE32HR,38,39,40,41);
//UTFT myGLCD(CTE40,38,39,40,41);
//UTFT myGLCD(ITDB43,38,39,40,41);
//UTFT myGLCD(ITDB24E_16,38,39,40,41);
//UTFT myGLCD(SSD1289,38,39,40,41);
//UTFT myGLCD(R61581,38,39,40,41);
//UTFT myGLCD(ILI9341_16,38,39,40,41);
//UTFT myGLCD(ILI9488,38,39,40,41);
//UTFT myGLCD(ITDB32S,38,39,40,41);
//UTFT myGLCD(ITDB28,38,39,40,41);
UTFT myGLCD(ILI9486,38,39,40,41);

Anyone can help me, TQ.

Please read this conclusion in a related thread.

Incidentaly, you can see that I live in England. It is unlikely to get a reply (from me) to your Public question at 02.45 in the morning. And it is even less likely to get a reply from a PM at 04.02 in the morning.

The way to get good answers to your question is to compose it carefully, and post it on the Public Forum. (and not send PMs)

David.