P2P firmware LA66 USB adapter V2

[sam Is Slim]

Hi everyone,

I’m trying to flash the Peer-to-Peer (P2P) firmware onto my LA66 USB Adapter V2, but I keep running into the same error with the Dragino upgrade tool "Error: Wrong response packet" no matter what firmware version I choose. 

Is there any way to put the USB adapter in an 'upgrade mode' or something? 

[kilight]

Hi, Sam

You can re-upgrade LA66 USB by following these steps:

Using the tool Tremo Programmer, you can take screenshots of the problems you encounter for us to analyze

https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10A0UpgradeFirmwareofLA66USBLoRaWANAdapter

Best Regards

Kilight

Technical Support Engineer

 

Dragino Technology Co., Limited

Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad

LongCheng Street, LongGang District ; Shenzhen 518101,China

Direct: +86 755 86610829 |Fax: +86 755 86647123

------------------------------------------------------------------

From:sam Is Slim <samminecr...@gmail.com>

Send Time:2025年10月20日(周一) 09:23

To:"Dragino-user"<dragin...@googlegroups.com>

Subject:P2P firmware LA66 USB adapter V2

Hi everyone,

I’m trying to flash the Peer-to-Peer (P2P) firmware onto my LA66 USB Adapter V2, but I keep running into the same error with the Dragino upgrade tool "Error: Wrong response packet" no matter what firmware version I choose. 

Is there any way to put the USB adapter in an 'upgrade mode' or something? 

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