samsung s275m not unlocking
 

i have done few s275m unlocked but this time i m stuck with 2 phones one is 275m and other is a157v
problem is phones are not detecting with octopus (i am a octopus dongle user) i have tried all ways but no success Welcome to Octoplus/Octopus Box Samsung software version 1.5.8
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Platform: Samsung Swift
Selected model: SGH-S275M
Selected port: COM102
Baud rate: 115200
Please, connect phone to UART cable, insert battery and press power
button for 3 seconds.
Connecting...
Connecting canceled.
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Platform: Samsung Swift
Selected model: SGH-S275M
Selected port: COM102
Baud rate: 115200
Please, connect phone to UART cable, insert battery and press power
button for 3 seconds.
Connecting...

Do You use Samsung Micro UART C3300k/C3303k cable? Select correct (Box) COM port and try again. Also, try to use another Samsung Micro UART C3300k/C3303k cable, maybe, the problem is with your cable.

Don't forget to install the latest Software version (http://octoplusbox.com/en/download/software/).

cable is ok
no issue , any key to press ???
can i use usb ??

No, to Read codes, You need to use Samsung Micro UART C3300k/C3303k cable.

To connect the device, do the next steps:

1. Install the latest Software version.
2. Fully charge phone's battery by using external charger.
3. Connect the phone to Box via UART cable.
4. Select correct (Box) COM port.
5. Press "Read codes" button in the Software.
6. Insert the battery and press "Power ON" button for 3-5 seconds.

Try to repeat this procedure several times.