The only way to repair the imei was to do these steps.
- format ffs
- Diagnostics and repair
- repair imei
formar ff
SigmaKey 2.27.21 MTK: Format FFS
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Formatting FFS...Not found
diagnostics and repair
SigmaKey 2.27.21 MTK: Diagnostics and repair
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Phone IMEI zone is broken. Please use "Repair IMEI" procedure to fix it.
after this action if I let me repair the imei, but now comes out on screen uncalibrated.
I have another good equipment, which we can use to get the calibration.
repair imei
SigmaKey 2.27.21 MTK: Repair IMEI
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Repairing IMEI...Not found
--------- 2018-06-05 09:29:58 ---------
SigmaKey 2.27.21 MTK: Restore calibration data
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI 1: 135790246811220 (Wrong IMEI checksum)
Software IMEI 2: 135790246811220 (Wrong IMEI checksum)
Cancelled
--------- 2018-06-05 09:43:07 ---------
SigmaKey 2.27.21 MTK: Repair IMEI
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI 1: 135790246811220 (Wrong IMEI checksum)
Software IMEI 2: 135790246811220 (Wrong IMEI checksum)
Mounting system disk...#1
Repaired IMEI: 352xxxxxxxx9907
Done.
- format ffs
- Diagnostics and repair
- repair imei
formar ff
SigmaKey 2.27.21 MTK: Format FFS
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Formatting FFS...Not found
diagnostics and repair
SigmaKey 2.27.21 MTK: Diagnostics and repair
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Phone IMEI zone is broken. Please use "Repair IMEI" procedure to fix it.
after this action if I let me repair the imei, but now comes out on screen uncalibrated.
I have another good equipment, which we can use to get the calibration.
repair imei
SigmaKey 2.27.21 MTK: Repair IMEI
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI: Not found
FFS seems physically erased or broken. You can turn on/off the phone once to recreate FFS.
Repairing IMEI...Not found
--------- 2018-06-05 09:29:58 ---------
SigmaKey 2.27.21 MTK: Restore calibration data
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI 1: 135790246811220 (Wrong IMEI checksum)
Software IMEI 2: 135790246811220 (Wrong IMEI checksum)
Cancelled
--------- 2018-06-05 09:43:07 ---------
SigmaKey 2.27.21 MTK: Repair IMEI
Plug the USB cable into the powered off phone...
MTK USB Port (COM304), Provider: MediaTek Inc., Driver ver.: 2.0.0.1, Date: 04/01/2012, USB\VID_0E8D&PID_0003&REV_0100
Baseband Processor:MT6261, HW Rev. B.01, SW Rev. 0.01
Serial number: 404B2A00D886E959
Testing external RAM...4 Mb
Detecting flash...SPI, ID: 00C22537-00000000
Flash size: 8 Mb, block size: 32 Kb
File system: 472 Kb @ 00788000
Firmware: FISE61A_11C_PCB01_gprs_MT6261_S00.MAUI_11C_W13_52_ MP_V2_F5
Hardware IMEI: Not found
Software IMEI 1: 135790246811220 (Wrong IMEI checksum)
Software IMEI 2: 135790246811220 (Wrong IMEI checksum)
Mounting system disk...#1
Repaired IMEI: 352xxxxxxxx9907
Done.