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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > GSMServer Products > SigmaKey

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Old 03-11-2013, 11:49   #1 (permalink)
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ZTE F555 Unlock By: SigmaKey Box

ZTE F555 Lock TMobile

Unlock Done

Install Driver ZTE here:

After Install Driver select port Zte Diagnostic Interface

Click Unlock wait until finish

SigmaKey 1.20.03
713180162 Sigma dongle 1.22, Initializing...OK
SigmaKey 1.20.03 Qcom: Direct unlock
ZTE Handset Diagnostic Interface (COM110), Provider: ZTE Corporation, Driver ver.: 1.2066.1.1, Date: 9/12/2009
Version: TMO_US_P671A91V1.0.0B13-S, TMO_
Firmware: TMO_US_P671A91V1.0.0B13-S
Date: Oct 12 2012 01:21:41, Apr 24 2012 22:00:00, KPSZL
IMEI: 865792010
Bluetooth address: D398C4C5262C
Phone model: ZTE F555
Detecting flash...HYNIX_H8BCS0SI0MBR, ID: 00AD00BA
Flash size: 256 Mb, page size: 2048
Reading security block...OK
Security area saved to "C:\Users\Administrator\My Documents\SigmaKey\security backup\86579201011::: _TMO_US_P671A91V1_0_0B13-S.skb"
Unlocking phone...Done
Restarting phone...Done
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Old 06-28-2013, 19:25   #2 (permalink)
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Hello testcard17
Could you please specifie wich driver i should download ? (there are like 15 of them)
And if i should install it on my phone or on the computer ?
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Old 06-29-2013, 00:25   #3 (permalink)
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Install these drivers:

This is the unlock manual for ZTE phones
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Old 06-29-2013, 08:41   #4 (permalink)
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@ Troglodyte,

Please double check unlock manual for ZTE F555 and other ZTE phones.
Link for the drivers and detailed explanation of the operation available here.

Best Regards
GSMServer team

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