huawei e220 another one for the list

hi
i hit try to unlock one e220 and was imposible same the other ones i tried before.
23:22:51 > VERSION MICRO-BOX A.I.O. V1.0.4.2
23:22:51 > HUAWEI E220 UNLOCK: START!
23:22:51 > READING MODEL:
23:22:53 > READING MODEL: OK!
23:22:53 > READING IMEI:
23:22:54 > READING IMEI: OK!
23:22:54 > MODEL: E220
23:22:54 > IMEI: 35508xxxxxxxxxx
23:22:54 > READING LOCK STATUS:
23:23:04 > READING LOCK STATUS: OK!
23:23:04 > READING DATA:
23:23:15 > READING DATA: OK!
23:23:15 > D:\datos\microbox\programas all in one\MicroBoxALLinONE V1.0.4.2 CR FINAL\E220_35508xxxxxxxxxxx_2010_04_29_23_23_15.mb f
23:23:15 > SAVING BACKUP:
23:23:16 > SAVING BACKUP: OK!
23:23:16 > CALCULATING:
23:23:16 > CALCULATING: ERROR 1001!
23:23:16 > RESTARTING PHONE:
23:23:16 > RESTARTING PHONE: OK!
23:23:16 > HUAWEI E220 UNLOCK: END!

microbox is posible the box with more traded models that is imposible to unlock