# No WDSI notification received

**URL:** <https://forum.sierrawireless.com/t/no-wdsi-notification-received/35524>\
**Category:** Legacy HL Series\
**Tags:** fw-upgrade\
**Created:** [September 25, 2025, 11:14am UTC](https://forum.sierrawireless.com/t/no-wdsi-notification-received/35524 "2025-09-25T11:14:11Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\
**Post date:** [September 26, 2025, 7:04am UTC](https://forum.sierrawireless.com/t/no-wdsi-notification-received/35524/6 "2025-09-26T07:04:36Z")

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You can try the same as this user

> [@HL7810 FOTA problem](https://forum.sierrawireless.com/t/hl7810-fota-problem/32468):
>
> Hi everyone, I have HL7810 in version 5.4.10 and i would like to upgrade to the latest version I tried with “AirPrime - HL78xx - Firmware Over-The-Air Guidelines - Rev3.0.pdf” , but always failed. i registered the device in website. here is AT command Log. [2024-06-04,17:32:41:601]\>\>AT+CGMM [2024-06-04,17:32:41:610]\<\< HL7810 [2024-06-04,17:32:41:613]\<\< OK [2024-06-04,17:32:47:576]\>\>AT+KGSN=3 [2024-06-04,17:32:47:582]\<\< +KGSN: D13185205202B1 [2024-06-04,17:32:47:585]\<\< OK […

You might also see here on how to capture wireshark log

> [@+KTCPSND response and delay](https://forum.sierrawireless.com/t/ktcpsnd-response-and-delay/25491/2):
>
> Here is a document on how to capture wireshark log in HL78 module. You can see when the OK is returned during the tcpdump log. [[HL7800] How to capture Wireshark trace.docx](https://forum.sierrawireless.com/uploads/short-url/65hprmXnZ7DmD1s8NVQl36bGH1g.docx) (224.6 KB)

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