GT-E1282T not detected to octopus


Flashed by research tool . wanna write imie but GT-E1282T not connecting to octopus box, but drivers are okay & shows in device manager.

Code:

Welcome to Octoplus/Octopus Box Samsung software version 2.1.7
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Platform: Samsung Spreadtrum
Selected port: COM130
Selected model: GT-E1282T
Selected port: USB
To connect GT-E1282T, perform the following steps:
1. Disconnect phone's battery.
2. Press and hold central button and connect the USB cable.
3. Connect the battery.
Connecting...
Connecting canceled.