n900a baseband unknown imei null

[melafield]

Hi, I have a n900a (at&t note 3). The phone was upgraded via OTA to 5.0 (from 4.4.2) and got the null IMEI and unkn. bb problem.

I downgraded it again to N900AUCUCNC2 and root it. But when I try to write cert of n900, I got stucked to:



I tried doing Wipe EFS/NVM first, but still same result.

Tried doing reset MSL but got stucked saying:

Operation: Reset MSL
Selected model: SM-N900A
Selected port: COM39 SAMSUNG Mobile USB Serial Port 
Software version: 26.6

Reading phone info... no answer from phone

Done with Samsung Tool PRO v.26.6

any help?

[gsmkashmir]

reset msl and try again..........

[Ahsankhan01]

I have the same issue after flashing custom rom

Sent from my GT-I9500 using Tapatalk

[melafield]

Originally Posted by gsmkashmir

reset msl and try again..........

When I try to reset MSL, I got this error

Operation: Reset MSL
Selected model: SM-N900A
Selected port: COM39 SAMSUNG Mobile USB Serial Port 
Software version: 26.6

Reading phone info... no answer from phone

Done with Samsung Tool PRO v.26.6

[sajidshah50]

Try to flash with this file and post result.

https://www.androidfilehost.com/?fid=24369303960690787

[melafield]

Originally Posted by sajidshah50

Try to flash with this file and post result.

https://www.androidfilehost.com/?fid=24369303960690787

Thx bud, after flashing that fw I could write the cert with no error, but still not working.

Operation: Write CERT
Selected model: SM-N900A
Selected port: 
Software version: 26.6

Checking certificate file... OK
KEY ID: 0813
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-N900A
Android version: 5.0
Product code: Not Active
Phone version: N900AUCUEOC1
PDA version: N900AUCUEOC1
CSC version: N900AATTEOC1
CSC country code: USA
CSC sales code: ATT
HW version: N900A.00
Phone S/N: 
Modem board: MSM8974
RF cal date: NONE
IMEI: 
Initialization AT RIL... OK
Bypass MSL... OK
Checking for compatible phone and cert... OK
Phone KEY ID: 0813
Writing CERT... OK
Checking CERT status... OK
Rebooting phone... OK
Done with Samsung Tool PRO v.26.6

I still have null/null IMEI and unknown Baseband (it was ok before writing the cert)

SM-N900_359092050091226_S200012760.rar

Could this be because of the cert file?

[GSM_JAHID]

Daer chek baseband ic

[sajidshah50]

Originally Posted by melafield

Thx bud, after flashing that fw I could write the cert with no error, but still not working.

Operation: Write CERT
Selected model: SM-N900A
Selected port: 
Software version: 26.6

Checking certificate file... OK
KEY ID: 0813
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-N900A
Android version: 5.0
Product code: Not Active
Phone version: N900AUCUEOC1
PDA version: N900AUCUEOC1
CSC version: N900AATTEOC1
CSC country code: USA
CSC sales code: ATT
HW version: N900A.00
Phone S/N: 
Modem board: MSM8974
RF cal date: NONE
IMEI: 
Initialization AT RIL... OK
Bypass MSL... OK
Checking for compatible phone and cert... OK
Phone KEY ID: 0813
Writing CERT... OK
Checking CERT status... OK
Rebooting phone... OK
Done with Samsung Tool PRO v.26.6

I still have null/null IMEI and unknown Baseband (it was ok before writing the cert)

SM-N900_359092050091226_S200012760.rar

Could this be because of the cert file?

it's definitely hardware issue. Replace baseband IC.

BR

[melafield]

Thanks guys, it was definitely the baseband IC. After replacing that, all worked fine

[carlosv968]

Hi, I have the same error, I still do not apply the certificate I do not want to change or lose imei original, if you place the new certificate, is there a possibility of changing imei to the original? Using a box or some other program, thanks