Hi, I need the latest firmware for this modem: EC25ECGAR06A04M1G
Thank you in advance 
I have sent it to you,pls check
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Do you also have this as delta update?
Okay, nevermind. Flashing worked fine with qfirehose 1.2, other versions failed with a buffer overflow.
Modem is now happily running with the new firmware 
@herbert.pan-Q Can you also provide me with the root password for this device?
quectel-v : v1.0
quectel-ID : 17445830
hello, here is adb and console passcode, please select the one you need, thanks~
adb passcode:WLk9s9ARtOKV5lh
console passcode: cp7kS7o1SumlJcdWqJfex1
You need to send your request for the firmware Differential upgrade package to support@quectel.com
Please provide the historical version and the version you plan to upgrade