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OTA updates not working on Heltec V3.2 #227

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opened 2026-10-05 05:51:41 +02:00 by adam · 11 comments
adam commented 2026-10-05 05:51:41 +02:00
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Hi Ricardo, I cannot get OTA updates to work on my Heltec WiFi LoRa 32 V3.2.
I initially tried updating a fully configured iGate via my home WiFi, when this didn't work I tried a factory reset install (web flasher) and OTA from the NOCALL-10 Auto AP, this also failed.

The ElegantOTA page reports "Update Successful" but the version information at the bottom of the Configuration web page shows the old firmware is still running, even after a power cycle.

To reproduce:

  1. Use the Web Flasher to program V3.1.2 web_factory.bin
  2. Connect to NOCALL-10, open the configuration webpage and view the version information (I see Version date: 2025-09-17, Build date: 2025-09-17 20:16:36 UTC)
  3. Download V3.1.4 heltec_wifi_lora_32_V3_2.zip, extract ota_update.bin then program using Update OTA (OTA Mode = Firmware)
  4. ElegantOTA page shows "Uploading v3.14_ota_update.bin" + progress bar, then finally "Update Successful"
  5. Power-reset the board, re-connect to NOCALL-10 then re-check the version information on the configuration webpage (I still see Version date: 2025-09-17, Build date: 2025-09-17 20:16:36 UTC)

My serial log of the above test:

POWER UP HERE >

[Thu Oct 16 12:14:42.648 2025] ESP-ROM:esp32s3-20210327
[Thu Oct 16 12:14:42.658 2025] Build:Mar 27 2021
[Thu Oct 16 12:14:42.658 2025] rst:0x1 (POWERON),boot:0x28 (SPI_FAST_FLASH_BOOT)
[Thu Oct 16 12:14:42.658 2025] SPIWP:0xee
[Thu Oct 16 12:14:42.658 2025] mode:DIO, clock div:1
[Thu Oct 16 12:14:42.669 2025] load:0x3fce3808,len:0x4bc
[Thu Oct 16 12:14:42.670 2025] load:0x403c9700,len:0xbd8
[Thu Oct 16 12:14:42.670 2025] load:0x403cc700,len:0x2a0c
[Thu Oct 16 12:14:42.670 2025] entry 0x403c98d0
[Thu Oct 16 12:14:45.468 2025] 
[Thu Oct 16 12:14:45.468 2025] Starting Station: NOCALL-10   Version: 2025-09-17
[Thu Oct 16 12:14:45.468 2025] (DigiEcoMode: OFF)
[Thu Oct 16 12:14:49.554 2025] Initializing LoRa Module
[Thu Oct 16 12:14:49.554 2025] init : LoRa Module    ...     done!
[Thu Oct 16 12:14:49.554 2025] 
[Thu Oct 16 12:14:49.554 2025] Not connected to WiFi! Starting Auto AP
[Thu Oct 16 12:14:50.585 2025] 
[Thu Oct 16 12:14:50.585 2025] Not connected to WiFi! Starting Auto AP
[Thu Oct 16 12:15:46.150 2025] OTA update started!
[Thu Oct 16 12:15:47.210 2025] OTA Progress Current: 1274 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:48.200 2025] OTA Progress Current: 150618 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:49.203 2025] OTA Progress Current: 301398 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:50.217 2025] OTA Progress Current: 455050 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:51.218 2025] OTA Progress Current: 594342 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:52.235 2025] OTA Progress Current: 746558 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:53.235 2025] OTA Progress Current: 893030 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:54.255 2025] OTA Progress Current: 1040938 bytes, Final: 1178816 bytes
[Thu Oct 16 12:15:55.441 2025] OTA update finished successfully!

POWER RESET HERE >

[Thu Oct 16 12:16:20.190 2025] ESP-ROM:esp32s3-20210327
[Thu Oct 16 12:16:20.190 2025] Build:Mar 27 2021
[Thu Oct 16 12:16:20.190 2025] rst:0x1 (POWERON),boot:0x28 (SPI_FAST_FLASH_BOOT)
[Thu Oct 16 12:16:20.190 2025] SPIWP:0xee
[Thu Oct 16 12:16:20.190 2025] mode:DIO, clock div:1
[Thu Oct 16 12:16:20.190 2025] load:0x3fce3808,len:0x4bc
[Thu Oct 16 12:16:20.217 2025] load:0x403c9700,len:0xbd8
[Thu Oct 16 12:16:20.218 2025] load:0x403cc700,len:0x2a0c
[Thu Oct 16 12:16:20.219 2025] entry 0x403c98d0
[Thu Oct 16 12:16:20.449 2025] øESP-ROM:esp32s3-20210327
[Thu Oct 16 12:16:20.449 2025] Build:Mar 27 2021
[Thu Oct 16 12:16:20.449 2025] rst:0xc (RTC_SW_CPU_RST),boot:0x28 (SPI_FAST_FLASH_BOOT)
[Thu Oct 16 12:16:20.459 2025] Saved PC:0x40377520
[Thu Oct 16 12:16:20.459 2025] SPIWP:0xee
[Thu Oct 16 12:16:20.459 2025] mode:DIO, clock div:1
[Thu Oct 16 12:16:20.459 2025] load:0x3fce3808,len:0x4bc
[Thu Oct 16 12:16:20.459 2025] load:0x403c9700,len:0xbd8
[Thu Oct 16 12:16:20.469 2025] load:0x403cc700,len:0x2a0c
[Thu Oct 16 12:16:20.469 2025] entry 0x403c98d0
[Thu Oct 16 12:16:23.266 2025] 
[Thu Oct 16 12:16:23.266 2025] Starting Station: NOCALL-10   Version: 2025-09-17
[Thu Oct 16 12:16:23.266 2025] (DigiEcoMode: OFF)
[Thu Oct 16 12:16:27.346 2025] Initializing LoRa Module
[Thu Oct 16 12:16:27.361 2025] init : LoRa Module    ...     done!
[Thu Oct 16 12:16:27.361 2025] 
[Thu Oct 16 12:16:27.361 2025] Not connected to WiFi! Starting Auto AP
[Thu Oct 16 12:16:28.377 2025] 
[Thu Oct 16 12:16:28.377 2025] Not connected to WiFi! Starting Auto AP

Thanks,
Dave, G6GEV

Hi Ricardo, I cannot get OTA updates to work on my _Heltec WiFi LoRa 32 V3.2_. I initially tried updating a fully configured iGate via my home WiFi, when this didn't work I tried a factory reset install (web flasher) and OTA from the NOCALL-10 Auto AP, this also failed. The ElegantOTA page reports "Update Successful" but the version information at the bottom of the Configuration web page shows the old firmware is still running, even after a power cycle. To reproduce: 1. Use the Web Flasher to program V3.1.2 `web_factory.bin` 2. Connect to NOCALL-10, open the configuration webpage and view the version information (I see _Version date: 2025-09-17, Build date: 2025-09-17 20:16:36 UTC_) 3. Download V3.1.4 [heltec_wifi_lora_32_V3_2.zip](https://github.com/richonguzman/LoRa_APRS_iGate/releases/download/V3.1.4/heltec_wifi_lora_32_V3_2.zip), extract `ota_update.bin` then program using _Update OTA_ (OTA Mode = Firmware) 4. ElegantOTA page shows "Uploading v3.14_ota_update.bin" + progress bar, then finally "Update Successful" 5. Power-reset the board, re-connect to NOCALL-10 then re-check the version information on the configuration webpage (I still see _Version date: 2025-09-17, Build date: 2025-09-17 20:16:36 UTC_) My serial log of the above test: ``` POWER UP HERE > [Thu Oct 16 12:14:42.648 2025] ESP-ROM:esp32s3-20210327 [Thu Oct 16 12:14:42.658 2025] Build:Mar 27 2021 [Thu Oct 16 12:14:42.658 2025] rst:0x1 (POWERON),boot:0x28 (SPI_FAST_FLASH_BOOT) [Thu Oct 16 12:14:42.658 2025] SPIWP:0xee [Thu Oct 16 12:14:42.658 2025] mode:DIO, clock div:1 [Thu Oct 16 12:14:42.669 2025] load:0x3fce3808,len:0x4bc [Thu Oct 16 12:14:42.670 2025] load:0x403c9700,len:0xbd8 [Thu Oct 16 12:14:42.670 2025] load:0x403cc700,len:0x2a0c [Thu Oct 16 12:14:42.670 2025] entry 0x403c98d0 [Thu Oct 16 12:14:45.468 2025] [Thu Oct 16 12:14:45.468 2025] Starting Station: NOCALL-10 Version: 2025-09-17 [Thu Oct 16 12:14:45.468 2025] (DigiEcoMode: OFF) [Thu Oct 16 12:14:49.554 2025] Initializing LoRa Module [Thu Oct 16 12:14:49.554 2025] init : LoRa Module ... done! [Thu Oct 16 12:14:49.554 2025] [Thu Oct 16 12:14:49.554 2025] Not connected to WiFi! Starting Auto AP [Thu Oct 16 12:14:50.585 2025] [Thu Oct 16 12:14:50.585 2025] Not connected to WiFi! Starting Auto AP [Thu Oct 16 12:15:46.150 2025] OTA update started! [Thu Oct 16 12:15:47.210 2025] OTA Progress Current: 1274 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:48.200 2025] OTA Progress Current: 150618 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:49.203 2025] OTA Progress Current: 301398 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:50.217 2025] OTA Progress Current: 455050 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:51.218 2025] OTA Progress Current: 594342 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:52.235 2025] OTA Progress Current: 746558 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:53.235 2025] OTA Progress Current: 893030 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:54.255 2025] OTA Progress Current: 1040938 bytes, Final: 1178816 bytes [Thu Oct 16 12:15:55.441 2025] OTA update finished successfully! POWER RESET HERE > [Thu Oct 16 12:16:20.190 2025] ESP-ROM:esp32s3-20210327 [Thu Oct 16 12:16:20.190 2025] Build:Mar 27 2021 [Thu Oct 16 12:16:20.190 2025] rst:0x1 (POWERON),boot:0x28 (SPI_FAST_FLASH_BOOT) [Thu Oct 16 12:16:20.190 2025] SPIWP:0xee [Thu Oct 16 12:16:20.190 2025] mode:DIO, clock div:1 [Thu Oct 16 12:16:20.190 2025] load:0x3fce3808,len:0x4bc [Thu Oct 16 12:16:20.217 2025] load:0x403c9700,len:0xbd8 [Thu Oct 16 12:16:20.218 2025] load:0x403cc700,len:0x2a0c [Thu Oct 16 12:16:20.219 2025] entry 0x403c98d0 [Thu Oct 16 12:16:20.449 2025] øESP-ROM:esp32s3-20210327 [Thu Oct 16 12:16:20.449 2025] Build:Mar 27 2021 [Thu Oct 16 12:16:20.449 2025] rst:0xc (RTC_SW_CPU_RST),boot:0x28 (SPI_FAST_FLASH_BOOT) [Thu Oct 16 12:16:20.459 2025] Saved PC:0x40377520 [Thu Oct 16 12:16:20.459 2025] SPIWP:0xee [Thu Oct 16 12:16:20.459 2025] mode:DIO, clock div:1 [Thu Oct 16 12:16:20.459 2025] load:0x3fce3808,len:0x4bc [Thu Oct 16 12:16:20.459 2025] load:0x403c9700,len:0xbd8 [Thu Oct 16 12:16:20.469 2025] load:0x403cc700,len:0x2a0c [Thu Oct 16 12:16:20.469 2025] entry 0x403c98d0 [Thu Oct 16 12:16:23.266 2025] [Thu Oct 16 12:16:23.266 2025] Starting Station: NOCALL-10 Version: 2025-09-17 [Thu Oct 16 12:16:23.266 2025] (DigiEcoMode: OFF) [Thu Oct 16 12:16:27.346 2025] Initializing LoRa Module [Thu Oct 16 12:16:27.361 2025] init : LoRa Module ... done! [Thu Oct 16 12:16:27.361 2025] [Thu Oct 16 12:16:27.361 2025] Not connected to WiFi! Starting Auto AP [Thu Oct 16 12:16:28.377 2025] [Thu Oct 16 12:16:28.377 2025] Not connected to WiFi! Starting Auto AP ``` Thanks, Dave, G6GEV <!-- github-sync-id:3521591360 -->
adam closed this issue 2026-10-05 05:51:41 +02:00
adam commented 2026-10-05 05:51:42 +02:00
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I have the same issue on a ttgo-lora32-v21

I have the same issue on a ttgo-lora32-v21 <!-- github-comment-id:3428063454 -->
adam commented 2026-10-05 05:51:42 +02:00
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The issue has been commented to the library dev to check what should be done to correct this

The issue has been commented to the library dev to check what should be done to correct this <!-- github-comment-id:3428081767 -->
adam commented 2026-10-05 05:51:43 +02:00
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I had the same problem on my ttgo-lora32-v21. Solved by doing incremental updates. Going from 2.1.3 to 3.1.4.1 definitely not working. At least is doesn't leave it in an unusable state and you can retry.
Succeeded with the following path on mine. Don't know if any can be left out, but 2.2.6 -> 3.0 also failed.
2.1.3 -> 2.2 -> 2.2.6 -> 2.3 -> 3.0 -> 3.1 -> 3.1.4.1
Make sure you reboot between each update. If you get a error about loading config, you probably didn't reboot.

I had the same problem on my ttgo-lora32-v21. Solved by doing incremental updates. Going from 2.1.3 to 3.1.4.1 definitely not working. At least is doesn't leave it in an unusable state and you can retry. Succeeded with the following path on mine. Don't know if any can be left out, but 2.2.6 -> 3.0 also failed. 2.1.3 -> 2.2 -> 2.2.6 -> 2.3 -> 3.0 -> 3.1 -> 3.1.4.1 Make sure you reboot between each update. If you get a error about loading config, you probably didn't reboot. <!-- github-comment-id:3514809688 -->
adam commented 2026-10-05 05:51:44 +02:00
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OTA updates not working on my TTGO LORA32 V21 ... I'm stuck with V3.1.2.

Tried to update every single version since then (with reboots of the device) but it wont' accept V3.1.3 / V3.1.4 / V3.1.4.1.

After 100% it says that the update was a success but after the reboot it is still running with version 3.1.2 (17. Sep. 2025)

OTA updates not working on my TTGO LORA32 V21 ... I'm stuck with V3.1.2. Tried to update every single version since then (with reboots of the device) but it wont' accept V3.1.3 / V3.1.4 / V3.1.4.1. After 100% it says that the update was a success but after the reboot it is still running with version 3.1.2 (17. Sep. 2025) <!-- github-comment-id:3558480049 -->
adam commented 2026-10-05 05:51:44 +02:00
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i'm experiencing the same results with OTA update (still haven't got any new information from the development team of this library for a fix)

i'm experiencing the same results with OTA update (still haven't got any new information from the development team of this library for a fix) <!-- github-comment-id:3558632645 -->
adam commented 2026-10-05 05:51:45 +02:00
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Also stuck on "Build date: 2025-09-17 20:14:07 UTC"

Also stuck on "Build date: 2025-09-17 20:14:07 UTC" <!-- github-comment-id:3694759627 -->
adam commented 2026-10-05 05:51:46 +02:00
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Found the Fix for this.

Tonight will upload the release for this

Found the Fix for this. Tonight will upload the release for this <!-- github-comment-id:3694941017 -->
adam commented 2026-10-05 05:51:46 +02:00
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I guess this has to be flashed via USB..?

I guess this has to be flashed via USB..? <!-- github-comment-id:3694947063 -->
adam commented 2026-10-05 05:51:47 +02:00
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OTA process will be restored

Will need to flash this version with usb and later versions will be available with ota

OTA process will be restored Will need to flash this version with usb and later versions will be available with ota <!-- github-comment-id:3695026954 -->
adam commented 2026-10-05 05:51:48 +02:00
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Had to fully erase my device to perform the update.

Had to fully erase my device to perform the update. <!-- github-comment-id:3696620590 -->
adam commented 2026-10-05 05:51:48 +02:00
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OTA updates are back from now on.... but you need to flash this fully.

libraries have been fixed and updated for this. Newer versions will work with OTA again too.

OTA updates are back from now on.... but you need to flash this fully. libraries have been fixed and updated for this. Newer versions will work with OTA again too. <!-- github-comment-id:3696624473 -->
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Reference: adam/LoRa_APRS_iGate#227