ok this is the simple trick others ses turn off wifi or data / open game and home then wait for the logo. its not working on other device..
TRY this > turn off wifi or data / open the game / open your wifi or data / wait the BMT logo before open your account.. thats all it works on my phones
TRY this > turn off wifi or data / open the game / open your wifi or data / wait the BMT logo before open your account.. thats all it works on my phones