samsung E1200i cant unlock

Hi octopus team i cant unlock samsung e1200i with octopus always error here is logs



Welcome to Octoplus/Octopus Box Samsung software version 1.6.4

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Platform: Samsung Spreadtrum

Selected port: COM6

Selected model: GT-E1200I

Selected port: USB

To connect GT-E1200I phone perform the following steps:

1. Disconnect phone battery.

2. Press and hold central button connect USB cable.

3. Connect battery.

Connecting...

Phone found.

Sending mainloader...

Mainloader send successfully

Unlocking phone. This can take some time. Please wait...

Unlocking phone...

Backup saved as C:\Program Files\Octoplus\Octoplus_Samsung

\BACKUP\Security-GT-E1200I_21-08-2014_16-05-50-.nv file

Phone unlocking failed

via Welcome to gsm-tips http://ift.tt/1ttNwhi