step 1: choose pokemon trainer club.

step 2: enter the pokémon go account and password.

tips: please notice the diference between the lower case、capital letters and the numbers.

the lower_case letter "l" and the number one "1" have the same looks.

the capital letter "o" and the number zero "0" have the same looks.

the capitalization of the letter i "i" and the lower_case letter "l" are very much alike.