infocus m2 3g display prob. (unreadable screen)

apology for creating new thread... bcoz i cant find any related thread...
prob. is after root my device i have deleted some inbuilt apps of it, so after puting it on update via mobile, it goes on bootloop... so i have to install custom rom ie Infocus_M2_3G G10-019S-0-00WW-A02-update_(by_xdafirmware.com)... after that my mobile is able to start but not displaying proper words/instruction....
if someone can help about it, pls......