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Custom font won't show on mobile

hello there, ihave a problem with my custom font,
well, i added custom font which i want it to show in my app,
i have 2 version on desktop and on mobile, everything is good on desktop the custom text i added it show, when i check it on inspect browser it show too, but when i deploy it the custom text on mobile won’t show i try to fix it but don’t find any mistake

am i miss something? or any solutions to this?
thanks hope somebody can tell