Hi all,
I’ve just upgraded a RM520NGLAAR01A08M4G module hosted on raspberry pi.
The upgrade process succeeded but now I observe that CFUN = 5 and that the targeted NR band (n77) is no more supported… and I can not force it activation as a lots of at commands that require writing to NVM fail.
I understand that CFUN = 5 may be caused by the module being in “FTM mode”.
Could please someone tell me how I can move the module to a normal mode where it connects to 5G SA on n77?
thank you
Dear @RFR
Did you try to execute AT+CFUN=1?
How did you upgrade the firmware? Use Qfirehose?
Hi Sylvia,
Yes, I run AT+CFUN=1 but get an error.
Yes, I used an old version of QFireHose to run the upgrade.
In between, I’ve found on the web the initial FW version (M520NGLAAR01A08M4G_01.200.01.200) of my module and tried a downgrade, bad idea. It seems that the module is now in QMI mode with ttyUSB0 to ttyUSB3 but no way to connect with minicom. I do not have any more a USB network interface but a wwan1 interface that does not come up. I don’t know how to bring my module back to live. Any advice is welcome :-).
Could you also please provide me with the current compatible FW version (supporting slices) & the QFiresHose tool for rapsbian (or source files).
regards
Dear @RFR
Did you use QFirehose -e to upgrade? If yes, the QCN will be earased.
I will send the firmware and qfirehose to your eamil.
Dear Silvia,
thank you for the SW.
No, I did not use -e option.
Do you thing I can use this procedure on RM520N-GL to get back serial connexion & install the last FW :
I bricked RM500Q-GL with ATS command so Windows 10 no longer sees USB; is there a way to flash firmware? - IoT Modules / 5G Module - Quectel Forums ?
thanks again
Dear @RFR
Actually, it is hard to locate the issue, I will send the firmware to you, please try again.
Can you also send firmware to me. In my case it’s EC25-E. I’m also stuck at CFUN: 5. I already tried to flash firmware that I can find on internet (It’s EC25EFAR06A11M4G_01.001.01.001) with QFirehose_Linux_Android_V1.4.13 with -e option.
But result is same. When try to use “AT+CFUN=1”. I still get error “+CME ERROR:3”. And now my EC25-E can’t connect to internet.
I check in log of QFirehose. And found this
[010.459]: <configure MemoryName="nand" Verbose="0" AlwaysValidate="0" MaxDigestTableSizeInBytes="2048" MaxPayloadSizeToTargetInBytes="8192" ZlpAwareHost="1" SkipStorageInit="0" />
[010.461]: <response value="ACK" MemoryName="NAND" MaxPayloadSizeFromTargetInBytes="2048" MaxPayloadSizeToTargetInBytes="8192" MaxPayloadSizeToTargetInBytesSupported="16384" TargetName="9x07" />
[010.461]: <erase PAGES_PER_BLOCK="64" SECTOR_SIZE_IN_BYTES="4096" num_partition_sectors="131072" physical_partition_number="0" start_sector="0"/>
[010.462]: <log value="start_sector = 0 and num_partition_sectors =0x20000)"/>
[012.973]: <log value="Skipping: bad block 0x4a0"/>
[013.886]: <log value="Skipping: bad block 0x600"/>
[013.887]: <log value="Skipping: bad block 0x601"/>
[015.264]: <response value="ACK" />
I’m not sure is this mean uanble to erase flash memory on EC25?
Dear @Yo_Nutchanon
With -e option, it will erase the QCN file.
Did you backup QCN file before upgrade?
No, I didn’t back it up.
Dear @Yo_Nutchanon
It seems the QCN was lost, if backup QCN file from other module, the performance will be worse than before.
Hello everyone. I am writing for the first time on this forum. Similar situation, no network. Please share QCN. Made a mistake, did not think about backup. 5109192@gmail.com
I am writing for the first time on this forum. Please share the firmware or QCN (full, factory firmware). I made a mistake, I did not think about backup. I tried to update to RM520NGLAAR01A06M4G, at that moment the battery saving mode turned on.
Now the modem does not see the network. AT+CFUN?
+CFUN: 5 AT+QGMR
RM520NGLAAR01A05M4G_01.001.01.001.
Windows 11
Thank you.
Dear @dperov
I have sent some information to you via Message, please check.
How do I fix this?I also got AT+CFUN=5 and my IMEI was changed.
Dear @Canhcanh
Why was IMEI changed? What happened before CFUN:5?
I am also stuck in FTM / CFUN=5 and need the QFirehose. Cloud you please send the latest version with the -e option?
CFUN5 means you have a skeleton EFS and at some point an erase all flash operation occured (or at least the efs2 partition was wiped)
The most thorough way to restore it is to use a tool like my qfenix. You will need another working module of the same model. You can either do a full complete backup by reading the efs2 partition in EDL mode then flash that to the module stuck in CFUN5. Or, use qfenix to make an xqcn backup and then restore it to the module in CFUN5.
Backing up the whole efs2 partition is a more complete backup but it does carry over the IMEI from the module you pulled it from, so you’ll want to correct that if you do that method.
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The CFUN5 module is a GLAP, so would it work if I copied from my other module which us a GLAA? Or are they incompatible?