Race Game

 There is no need you to change imei on your phone

Just get a valid imei from IMei analyzer then
put S b4 d imei like this e.g.

S861143032363042    
          to 232 den send it to 232 a message will be sent you that  "your phone is not provisionable"

Ignore it Then send join to 141

Use *140# to check your GB if you didnt receive any.....
Analyze another imei nd try again

use before it get block

below is the snapshot for proof  

keep flexing the internet guys enjoy!!!