Hi, team Could you please share the latest firmware and QDLoader flash tool for me? $ echo ‘ATI’ | sudo socat - /dev/ttyUSB2,crnl Quectel RM500U-CN Revision: RM500UCNAAR02_BETA0421_FAE66499 OK $ echo ‘AT+QGMR’ | sudo socat - /dev/ttyUSB2,crnl RM500UCNAAR02_BETA0421_FAE66499 OK

Hi, @Nguyen_Anh I have sent to you via private message,pls check.

Tks u very much. However, I’m still having trouble with the 5G NSA connection. I noticed in the group there is a version RM500UCNAAR03A09M2G_01.001.01.001. Could you please provide me with the another latest version? My imei: 868227051469641

Hi, @Nguyen_Anh The baseline of your current firmware version is R01. It is not recommended to cross-baseline upgrade to R03, as this carries significant risks.Thank you for your understanding.

Can i have the latest version, these are my hardware details, any QMI or MBIM support? Quectel RM500U-CN Revision: RM500UCNAAR01A19M2G OK RM500UCNAAR01A19M2G_01.001.01.001 OK

Dear @coronas I have sent to your email, please check. RM500U doesn’t support QMI and MBIM.

Request: Windows 10 USB Driver for RM500U-CN (MBIM Mode) Hello Quectel support I own a Quectel RM500U-CN modem and I am trying to get it working as a network adapter on Windows 10. My issues so far: AT+QCFG=“usbnet” returns 1 → modem is in MBIM mode Windows Device Manager shows “CDC ECM” with an…

Dear @Krystian12 For RM500U, it didn’t support MBIM mode, only ECM and RNDIS.

@silvia I need the latest drivers for windows for RM500U-CNV. I also need to know if Qflash 7.7 can update it or if there’s any other different tool to do it. Thank you

I have sent the latest driver to your email,pls check and try; QFlash v7.7 is the latest and it can upgrade the version

RM500U-CN latest firmware request

Technical Resources 5G Module Resources

herbert.pan-Q February 24, 2026, 9:07am 36

pls refer to