[HELP] adding gmail account without wifi (reverse tethering)

hi everyone,i recently broke my tablet wifi chip (realtek rtl8188etv) :crying: , i figured it was a good idea to use reverse tethering ,
and it worked, but when i want to add my gmail account to my tablet(because i did a full wipe) and it wont let me pass the setting
so i wont able to add my gmail account :(
can anyone help me ?