samsung n900a no signal issue - GSM-Forum

m9999m879 · 02-05-2016, 18:27

I have a samsung note 3 att N900a with null/null problem. I am able to fix the imei by downgrade and write cert on it. Then I write good qcn on it but I still have no signal problem. Did I miss something?? thank you for your help

Welcome to Octoplus/Octopus Box Samsung software version 2.1.8
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To connect SM-N900A phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM61
Selected model: SM-N900A
Phone was not found on the selected port!
Searching for USB diagnostic port...
Connecting to phone on COM1091
Mode: Normal
Phone model: SM-N900A
Firmware compiled date: Jan 02 2014
Firmware compiled time: 10:00:00
Firmware released date: Jan 4 2014
Firmware released time: 16:49:46
Phone IMEI: 357780-0
SW version: M8974A-AAAANAZM-2.0.10017
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM1091
Selected model: SM-N900A
Reading info...
Mode: Normal
Firmware compiled date: Jan 02 2014
Firmware compiled time: 10:00:00
Firmware released date: Jan 4 2014
Firmware released time: 16:49:46
SW Version: M8974A-AAAANAZM-2.0.10017
Send SPC...
SPC send successfully
Writing QCN...
Writing NV items...
NV items write successfully
Writing NV SIM1 items...
NV SIM1 items write successfully
Writing NV SIM2 items...
NV SIM2 items write successfully
Wrting EFS...
EFS write successfully
Writing provisioning items...
Provisioning items write successfully.
Writing QCN done
QCN write successfully
Please, restart the phone to apply changes

Octopus box · 02-05-2016, 18:41

Hello.

If after writing of a QCN from correctly working phone problem with Network remains - IMEI of Cert file can be in "black" list of Network provider. Try to write different Cert files from the Support Area. Cert files compatibility.

02-05-2016, 18:27	#1 (permalink)
m9999m879 Freak Poster Join Date: Aug 2010 Location: florid Posts: 116 Member: 1375309 Status: Offline Thanks Meter: 10	samsung n900a no signal issue I have a samsung note 3 att N900a with null/null problem. I am able to fix the imei by downgrade and write cert on it. Then I write good qcn on it but I still have no signal problem. Did I miss something?? thank you for your help Welcome to Octoplus/Octopus Box Samsung software version 2.1.8 ------------------------------------------------------------------------ ----------------------------------------------------------------------------------- To connect SM-N900A phone you have to perform the following steps: 1. Disconnect USB cable from phone. 2. Go to Menu->Settings->More->About Device. 3.Tap on "Build number" 7 times to enable developer options. 4. Go to Menu->Settings->More->Developer options. 5. Turn on "USB Debugging" option. 6. Go to dial window. 7. Enter "*#0808#" number. 8. Select "DM+Modem+ADB". 9. Press Home button. 10. Restart phone. 11. Press "Read Info" in software. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM61 Selected model: SM-N900A Phone was not found on the selected port! Searching for USB diagnostic port... Connecting to phone on COM1091 Mode: Normal Phone model: SM-N900A Firmware compiled date: Jan 02 2014 Firmware compiled time: 10:00:00 Firmware released date: Jan 4 2014 Firmware released time: 16:49:46 Phone IMEI: 357780-0 SW version: M8974A-AAAANAZM-2.0.10017 ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM1091 Selected model: SM-N900A Reading info... Mode: Normal Firmware compiled date: Jan 02 2014 Firmware compiled time: 10:00:00 Firmware released date: Jan 4 2014 Firmware released time: 16:49:46 SW Version: M8974A-AAAANAZM-2.0.10017 Send SPC... SPC send successfully Writing QCN... Writing NV items... NV items write successfully Writing NV SIM1 items... NV SIM1 items write successfully Writing NV SIM2 items... NV SIM2 items write successfully Wrting EFS... EFS write successfully Writing provisioning items... Provisioning items write successfully. Writing QCN done QCN write successfully Please, restart the phone to apply changes

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02-05-2016, 18:41	#2 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,809 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,407	Hello. If after writing of a QCN from correctly working phone problem with Network remains - IMEI of Cert file can be in "black" list of Network provider. Try to write different Cert files from the Support Area. Cert files compatibility.