GSM-Forum - View Single Post - WORLD FIRST Repair IMEI null oppo by sigmakey in english

bencharqui1 · 11-28-2021, 09:48

Repair IMEI null all MTK Android devices

Temporary but great solution

The device only works when you unlock the bootloader

Sites that help you search for similar processors similar to Huawei

https://www.google.com/search?q=kimovil.com+Helio+

https://phonesdata.com/en/chipset/mediatek/

OPPO mt6765 processor repair example

1= read the full flash drive from a healthy phone, except for the data file

2= read Backup Calibration drive from a healthy phone

3= unlock the bootloader Damaged imei device

4= need to reflash the phone Then write a flash for it and then the bootloader unlock tool

5= Restore Calibration

6= Repair phone’s original IMEI

Backup Calibration

Connect SigmaBox / SigmaKey Dongle to PC USB port and launch SigmaKey Software
Select "MTK" platform from the tab menu in the upper left side of the software
Go to "Service" tab
Select "USB (autodetect)" in the serial ports selection tab
Select your phone model in the right drop-down menu (Huawei JAT-L29)
Press "Backup Calibration" button
Connect the phone according to software prompts:
- FLASH MODE method: program will ask you to Hold both Vol- and Vol+, then plug the USB cable into the powered off phone
- TESTPOINT method: program will ask you to short the testpoint on the powered off phone and connect USB cable
Install drivers for all devices that will appear in the system
Choose location to save calibration file (in *.skb format)
Message "Reading Flash is Done" indicates that Calibration backup procedure was completed successfully

Backup copies can be used by another SigmaKey/SigmaBox.

Restore Calibration

Connect SigmaBox / SigmaKey Dongle to PC USB port and launch SigmaKey Software
Select "MTK" platform from the tab menu in the upper left side of the software
Go to "Service" tab
Select "USB (autodetect)" in the serial ports selection tab
Select your phone model in the " (Huawei JAT-L29)" drop-down menu
Press "Restore Calibration" button
Connect the phone according to software prompts:
- FLASH MODE method: program will ask you to Hold both Vol- and Vol+, then plug the USB cable into the powered off phone
- TESTPOINT method: program will ask you to short the testpoint on the powered off phone and connect USB cable
Install drivers for all devices that will appear in the system
Select required calibration file (in *.skb format)
Message "Writing Flash is Done" indicates that Calibration restore procedure was completed successfully

Fix “Software IMEI: Not found” issues
In order to fix "Software IMEI: Not found" software issue in MTK smartphones xxxxx , please perform the following steps:

Backup Calibrations from a working set and restore it into the corrupted one.
Repair phone’s original IMEI.

11-28-2021, 09:48	#1 (permalink)
bencharqui1 No Life Poster Join Date: Aug 2011 Location: Algeria is a North African Age: 35 Posts: 1,879 Member: 1629321 Status: Offline Thanks Meter: 823	WORLD FIRST Repair IMEI null oppo by sigmakey in english Repair IMEI null all MTK Android devices Temporary but great solution The device only works when you unlock the bootloader Sites that help you search for similar processors similar to Huawei https://www.google.com/search?q=kimovil.com+Helio+ https://phonesdata.com/en/chipset/mediatek/ OPPO mt6765 processor repair example 1= read the full flash drive from a healthy phone, except for the data file 2= read Backup Calibration drive from a healthy phone 3= unlock the bootloader Damaged imei device 4= need to reflash the phone Then write a flash for it and then the bootloader unlock tool 5= Restore Calibration 6= Repair phone’s original IMEI Backup Calibration Connect SigmaBox / SigmaKey Dongle to PC USB port and launch SigmaKey Software Select "MTK" platform from the tab menu in the upper left side of the software Go to "Service" tab Select "USB (autodetect)" in the serial ports selection tab Select your phone model in the right drop-down menu (Huawei JAT-L29) Press "Backup Calibration" button Connect the phone according to software prompts: FLASH MODE method: program will ask you to Hold both Vol- and Vol+, then plug the USB cable into the powered off phone TESTPOINT method: program will ask you to short the testpoint on the powered off phone and connect USB cable Install drivers for all devices that will appear in the system Choose location to save calibration file (in .skb format) Message "Reading Flash is Done" indicates that Calibration backup procedure was completed successfully Backup copies can be used by another SigmaKey/SigmaBox. Restore Calibration* Connect SigmaBox / SigmaKey Dongle to PC USB port and launch SigmaKey Software Select "MTK" platform from the tab menu in the upper left side of the software Go to "Service" tab Select "USB (autodetect)" in the serial ports selection tab Select your phone model in the " (Huawei JAT-L29)" drop-down menu Press "Restore Calibration" button Connect the phone according to software prompts: FLASH MODE method: program will ask you to Hold both Vol- and Vol+, then plug the USB cable into the powered off phone TESTPOINT method: program will ask you to short the testpoint on the powered off phone and connect USB cable Install drivers for all devices that will appear in the system Select required calibration file (in .skb format) Message "Writing Flash is Done" indicates that Calibration restore procedure was completed successfully Fix “Software IMEI: Not found” issues* In order to fix "Software IMEI: Not found" software issue in MTK smartphones xxxxx , please perform the following steps: Backup Calibrations from a working set and restore it into the corrupted one. Repair phone’s original IMEI. Last edited by bencharqui1; 11-28-2021 at 09:56.