Steps from *shudder* Gamefaqs
1.Put Target pokemon in box with open slot
2.Deposit target pokemon from box to GTS,looking for a pokemon of level 100(or some combo that you know won't happen, level 10 or lower legendary for eample))
3.Counted 8 turns on the little loading clock at the "checking GTS status" message (between 7.5 and 8 rotations really)
4.Turned power off
5.Got a drink
6.Turned power on
7.Read the "currupt save" message
8.Went back on gts
9.Withdrew target pokemon
10.Check box
11.Scream "HOLY GUACAMOLE" at DS
1.Put Target pokemon in box with open slot
2.Deposit target pokemon from box to GTS,looking for a pokemon of level 100(or some combo that you know won't happen, level 10 or lower legendary for eample))
3.Counted 8 turns on the little loading clock at the "checking GTS status" message (between 7.5 and 8 rotations really)
4.Turned power off
5.Got a drink
6.Turned power on
7.Read the "currupt save" message
8.Went back on gts
9.Withdrew target pokemon
10.Check box
11.Scream "HOLY GUACAMOLE" at DS