i'm a new tube user of 5800xm ya...hehe

Model: 5800 XM Blue
Firmware: 20.0.012
Dev cert(if any): duno wat is tis....
Emmulators: -
UI:
Shells: None
Widgets: 1
Number of apps installed: 4
Number of games installed: 3

Hereby i would like to ask some pros and other forumers to help me with this problem. I just bought a blue tube on monday and then after the day which is tuesday while i entering the contacts in my phone memory, the color of the display screen color change from grey(default) to a bit yellowish. It appear for a few seconds oni n sometime is a bit yellowish, sometimes a bit purple. Is there any solution for tis problem?? it appear in the display although i'm in other option or application such as when i using mini qwerty to enter alphabet then it suden change color but nt very often, sometimes is when entering contact. Plz help me to solve tis problem. My phone firmware is V20. Thank you.

erm...it appears randomly...normaly is in the screen where i can key in alphabet, mostly is in the message thr not the other part such as view picture or menu...

erm..i using the screensnap to take a screen shot of it but it cant display the img when the problem occur....means when the problem is thr then i screnshot it then the img screen shot is without problem....so screensnap couldn't work on it....n it appear randomly so quite hard for me to take a pic of it oni apear for a few seconds... i will try to use my fren's phone to take a pic of it if possible coz reli hard n duno when it wil occur...