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

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Old 07-25-2018, 03:54   #1 (permalink)
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Mate 8 NXT-L09 "No service" after unbrick


hi i got a nxt-l09 with only vibration ,
- first i flash HLNXTAL10BM00A102.skf , all goes well and phone power on with board software.
- then i flash NXTL09_C900B196_Firmware_HQ_Nonspecific_Android6.0 _EMUI4.0_High Level Repair Center via upgrade mode, all goes well but phone dont have imei and no network at all and stays in "no service".
- repair imei with sigma , imei show on but still "no service"



thanks in advance
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Old 07-25-2018, 09:06   #2 (permalink)
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FACTORY MODE: phones detected as "HUAWEI USB COM 1.0"
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Old 07-25-2018, 12:56   #3 (permalink)
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don't waste your time with sigma if you want to repair network after bricked state
you need nv files to resolve this situation that sigma don't provide it and other box/dongle
offer to their customer
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Old 07-25-2018, 15:41   #4 (permalink)
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Show all logs to see exactly what has been done to this device.
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Old 07-25-2018, 17:33   #5 (permalink)
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Quote:
Originally Posted by mcandre View Post
Show all logs to see exactly what has been done to this device.
Flash board firmware via testpoint, untick just "modem" partition, phone power on OK
Code:
SigmaKey v.2.28.03 build 01
New version  2.28.05 is available on www.sigmakey.com. We strongly recommend to update SigmaKey!
311615919 Sigma dongle 2.28, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-07-24 15:19:23 ---------
SigmaKey 2.28.03b1 HiSi: Write firmware
HUAWEI USB COM 1.0 (COM10), Provider: HUAWEI Incorporated, Driver ver.: 2.0.6.725, Date: 05/11/2015, USB\VID_12D1&PID_3609&REV_0100
Repairing...HLNXTAL10BM00A102.skf
Writing flash...ptable...OK
Writing flash...xloader...OK
Writing flash...fastboot...OK
Writing flash...boot...OK
Writing flash...recovery...OK
Formatting FFS...cust...OK
Writing flash...cust...OK
Formatting FFS...misc...OK
Writing flash...cache...OK
Writing flash...fw_lpm3...OK
Writing flash...fw_hifi...OK
Writing flash...teeos...OK
Writing flash...trustfirmware...OK
Writing flash...sensorhub...OK
Writing flash...dts...OK
Writing flash...modem_dtb...OK
Writing flash...modemnvm_update...OK
Writing flash...modem_dsp...OK
Writing flash...3rdmodem...OK
Writing flash...system...OK
Writing flash...system...OK
Writing flash...system...OK
Writing flash...system...OK
Writing flash...userdata...OK
Writing flash...Done
- After phone power on with board software, update via upgrade mode with this MATE-8-NXT-L09_C900B196_Firmware_HQ_Nonspecific_Android6.0_EM UI4.0_High Level Repair Center.zip
Code:
- after phone power on with stock firmware imei was blank , perform imei repair with sigma but "no service" , and no network at all

Code:
SigmaKey v.2.28.05
311615919 Sigma dongle 2.28, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-07-24 18:18:48 ---------
SigmaKey 2.28.05 Qcom: Remove FRP / Huawei ID
^ Android Sooner Single ADB Interface, Version 0.5, Name: QC_REFERENCE_PHONE, Serial number: 83J7N18201000735
Phone model: TRT-LX3
Version: TRT-LX3C40B133
Removing FRP lock...Done
--------- 2018-07-24 18:24:38 ---------
SigmaKey 2.28.05 Qcom: Repair IMEI
Android Adapter PCUI (COM255), Provider: Huawei Incorporated, Driver ver.: 2.0.6.725, Date: 27/12/2015, USB\VID_12D1&PID_105C&REV_0299&MI_02
Missing response from phone
--------- 2018-07-24 18:25:07 ---------
SigmaKey 2.28.05 HiSi: Repair IMEI
Connecting....
Android Adapter PCUI (COM255), Provider: Huawei Incorporated, Driver ver.: 2.0.6.725, Date: 27/12/2015, USB\VID_12D1&PID_105C&REV_0299&MI_02
Testing external RAM...3 Gb
Detecting flash...eMMC, Flash size: 32 Gb
Firmware: (unknow), Date: Thu Jan  5 04:13:54 CST 2017, Provider: claro/la
Boot Version: NXT-C900B196_BOOT, FastBoot Version: NXT-C900B120_FASTBOOT
Recovery Version: (unknow), System Version: NXT-C900B196_SYSTEM
WiFi address: 7C11CB15E3A4, Bluetooth address: 7C11CB15EA57
Removing firmware protection...Skipped
Getting bootloader password...1454060224142331
Software IMEI: 000000000000000
Repaired IMEI1: 398685548798477
Repaired IMEI2: 398859454198713
Done
Please perform Factory data reset via phone's menu.
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Old 07-25-2018, 17:36   #6 (permalink)
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Quote:
Originally Posted by apologized View Post
don't waste your time with sigma if you want to repair network after bricked state
you need nv files to resolve this situation that sigma don't provide it and other box/dongle
offer to their customer
how to make backup and which partition exactly contains nv data and network from working phone ?
regards
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Old 07-25-2018, 18:13   #7 (permalink)
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dc unlocker has it NXT-L09_NV_partitions_backup.dgtks

how to backup the partition try to root working phone
then backup these 3 partition with "Partitions Backup Restore":

- modemnvm_factory
- modemnvm_bakup
- modem_system

if no service : try all of them

modem_fw
modem_om
modem_secure
modemnvm_backup
modemnvm_factory
modemnvm_img
modemnvm_system
modemnvm_update
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The Following User Says Thank You to apologized For This Useful Post:
Old 07-26-2018, 10:51   #8 (permalink)
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Alternative way: you can backup NV area from the working phone and write that partition into this one via recovery.
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Old 07-26-2018, 11:24   #9 (permalink)
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Little remark.
Your phone must have its own NV settings.
You can flash these settings from another phone, of course. But it won’t work properly.
In better case, non-native settings can affect your phone's operation. In worst case, it may affect your health.
I wouldn't recommend using such unit.
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Old 07-26-2018, 13:59   #10 (permalink)
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and how other product solve this problem ?

why support offer unbrick files if no service after recovering the phone ?
i don't think other product miss this if they offer nv partitions settings.

someone expert tell us what's the solution
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Old 07-26-2018, 14:05   #11 (permalink)
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When you unbrick the phone, no need to flash all files from the board firmware. Sigma skips flashing of NV areas by default.
NV partition settings are not universal.
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Old 07-26-2018, 14:13   #12 (permalink)
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i know that we need to skip flashing all files as shown in manual
but people do mistake we are human being

i want to know why other product offer these nv setting ? and sigma no ?
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