Problem sideloader iPhone

it happens that on the iphone it does not load the preloader then when loading the first texts they look bad. in android this does not happen.
user: okjaoc489
pass: 9P826z6C


it also happens in the mac os sierra safari browser, but not in chrome of the same operating system, I clarify that before I did not have that problem. I do not know if it’s version 2.5