Help: i9100 unlock problem!!!

[dragosgsm]

Hi, I have Samsung Galaxy S2 i9100 with android 2.3.6 and MicroBox can't root it:
21:13:20 > VERSION MICRO-BOX A.I.O. V2.0.8.6
21:13:20 > SAMSUNG I9100L READ CODES: START!
21:13:20 > KILLING ADB SERVER (IF RUNNING): OK!
21:13:20 > SEARCHING FOR PHONE: OK!
21:13:21 > READING INFO: OK!
21:13:21 > MODEL: GT-I9100 / GT-I9100
21:13:21 > IMEI: 359959049191376
21:13:21 > VERSION: 2.3.6 / GINGERBREAD
21:13:22 > FIRMWARE: GT-I9100-USER / I9100BVKL1
21:13:22 > KERNEL: 2.6.35.7-I9100BVKL1-CL774645 (gcc 4.4.0)
21:13:22 > CPU TYPE: S5PC210 / ARMv7
21:13:27 > CHECKING ROOT: NOT ROOTED!
21:18:10 > RUNNING TEMP ROOT [PLEASE WAIT ~ 3 MIN]: OK!
21:18:10 > SEARCHING FOR PHONE: OK!
21:18:16 > CHECKING ROOT: NOT ROOTED!
21:18:16 > PLEASE RESTART PHONE AND TRY AGAIN!
21:18:16 > SAMSUNG I9100L READ CODES: END!


Any safe method to root this phone for unlocking it???????????

[fmacias]

Partner if I'm not mistaken you have to rootear the phone to do so without problems. A greeting.

[dragosgsm]

Originally Posted by fmacias

Partner if I'm not mistaken you have to rootear the phone to do so without problems. A greeting.

If you read the last line i was asking a safe method to root i9100 runing on Android 2.3.6
...any way I have unlocked the phone by downgradeing to 2.3.5