Firmware request for EC20CEHCLGR06 & EC20CEHCLGR08 (full package + release notes)

IoT Modules LTE Standard Module
1

Dear Quectel Support / Distributor,

My name is [Name], [Title] at [Company]. We are deploying a project using Quectel EC20 (model: EC20CEHCLGR).
For compatibility validation and version standardization, we kindly request:

  1. EC20CEHCLGR06 – latest official build
  2. EC20CEHCLGR08 – latest official build

Please provide:

  • Full firmware packages and, if available, delta/upgrade package(s) from R06 → R08.
  • Release Notes/Change Log (bug fixes, AT command changes, band/carrier profile/MBN updates, VoLTE behavior if any).
  • Upgrade guide (recommended tool such as QFlash/QFirehose/QPST, flashing steps, power requirements, brick risk notes).
  • MD5/SHA256 checksums.
  • Required USB/QDLoader drivers.
  • Rollback/downgrade policy and any NDA/warranty requirements.
  • Regional compatibility details for Vietnam/SEA bands.
  • Download link (or portal access instructions).

Our environment (for reference):

  • Module quantity: [quantity]
  • OS: Windows 10 x64
  • Current tools: [QPST/QFlash version…]
  • Special requirements (if any): [e.g., keep .wav assets, VN carrier MBN profile, etc.]

Happy to share additional info (sample SN/IMEI, logs, label photos) if needed.
Thank you in advance.

Best regards,

2

hi May I ask what your current specific version is? You can use ATI for the query. Because there are many versions, specific information needs to be checked. Then we will send you the firmware and the upgrade tool.