Request for downgrade firmware/DFOTA package for EG18-EA (MikroTik Chateau) due to regional lock

IoT Modules LTE-A Module
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1

Hello Quectel Support Team,

I am using a MikroTik Chateau LTE18 ax router equipped with the Quectel EG18-EA modem.
Recently, the modem firmware was updated to version EG18EAPAR01A13M4G_01.300.01.300. After this update, the modem encountered a regional lock issue and can no longer register on the mobile network in my country.

Could you please provide me with the official firmware package or DFOTA archive along with flash tools to downgrade the modem back to a stable version without regional restrictions (such as EG18EAPAR01A08M4G or EG18EAPAR01A12M4G)?

Here are my device details:

  • Modem Model: Quectel EG18-EA (EG18EAPA)

  • Current Firmware: EG18EAPAR01A13M4G_01.300.01.300

  • Device IMEI: 869816043746410

Please send the download links or files to my registered email address.

Thank you in advance for your help!

2

Hi there,
May I know do you know what is the original FW version you have previously?

3

Hi Firdaus,

Previously, the modem was running smoothly on the EG18EAPAR01A08M4G firmware version before it got updated.If possible, could you please provide the firmware files or a DFOTA package to downgrade back to EG18EAPAR01A08M4G (or EG18EAPAR01A12M4G), as these versions do not have regional locks and are stable for my hardware?Thank you!

4

Hi there,
These FW (EG18EAPAR01A08M4G or EG18EAPAR01A12M4G) cannot be roll back to your newer Fw version since the version is _01.300.01 while the previous one probably only _01.001.01.001. If it is downgrade, the module cannot work properly.

Do you mean regional lock issue is like IMEI restriction issue?

5

Hi Firdaus,

No, this is not an IMEI restriction issue. The IMEI of the device is original and clean.

The issue is a strict regional software lock introduced in firmware version EG18EAPAR01A13M4G_01.300.01.300. When operating in my country, the modem drops the network connection and outputs the error: “This firmware version is not supported in current region”.

Since a direct downgrade to the _01.001 subversion is impossible, could you please provide:

Either a newer/alternative firmware branch with the _01.300 bootloader that does not contain this regional restriction,

Or the official engineering flashing tool (like QFlash/QFirehose) and a full firmware package that allows a safe clean installation back to A08M4G / A12M4G?

Thank you for your guidance!

6

Hi there,

May I know where you based on? Could you show me how the message looks a like? “This firmware version is not supported in current region”.

I provided the EG18EAPAR01A13M4G_01.201.01.201 to your email address together with QFLASH and QFirehose tool. Kindly check on your side.

Thank you and have a nice day~

7

Hello.
I have the same problem.
My devise is: LHG LTE18 kit (LHGGM&EG18-EA).

Device IMEI: 869816043125631

Modem Model: Quectel EG18-EA (EG18EAPA)

Current Firmware: EG18EAPAR01A13M4G_01.300.01.300

Factory Firmware: EG18EAPAR01A13M4G_01.001.01.001

RouterOS
Current Firmware: 7.23.2

Factory Firmware: 7.14.3
If You need I can send any additional information.
So please help me solve this problem.
May be You have any instructions what must (can) I do and some links to soft (firmware).
Thanks.

8

I ask is it possible to downgrade my modem firmware from current to factory? And how can I do it. Thanks.

9

Hi @AlexBor
unfortunately, EG18EAPAR01A13M4G_01.300.01.300 unable to downgrade to EG18EAPAR01A13M4G_01.001.01.001 since there is different in versions ( 1.300.01 while the previous one probably only _01.001.01.001 . If it is downgrade, the module cannot work properly.)

You can try with FW EG18EAPAR01A13M4G_01.201.01.201 . I will email you on the FW.