# Here 4 Stuck At White Lights After Firmware Update **URL:** \ **Category:** Here GPS\ **Created:** [2 October 2024 10:48 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193 "2024-10-02T10:48:45Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Noel\_F\_Perez](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/noel_f_perez/32/8322_2.png) [@Noel\_F\_Perez](https://discuss.cubepilot.org/u/Noel_F_Perez)\ **Post date:** [2 October 2024 10:48 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193/1 "2024-10-02T10:48:46Z")
I have a here4 connected to a raspberry pi 4 through a spi/can hat. I tried to update to the latest firmware from here [https://github.com/CubePilot/GNSSPeriph-release/releases/tag/v1.14.4](https://github.com/CubePilot/GNSSPeriph-release/releases/tag/v1.14.4), using DroneCAN GUI Tool, i restarted the node after and then the device is stuck in white lights, i already checked other similar topics on the forum. I thank you in advance for any insights. ---
**Author:** ![Noel\_F\_Perez](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/noel_f_perez/32/8322_2.png) [@Noel\_F\_Perez](https://discuss.cubepilot.org/u/Noel_F_Perez)\ **Post date:** [4 October 2024 07:44 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193/2 "2024-10-04T07:44:32Z")
SOLUTION: (I’m posting it as an answer because i can’t find an option for editing my original question ☹ ). With help of a colleague who found this post [https://discuss.cubepilot.org/t/how-to-activate-dfu-mode-on-cube-orange/12704/5](https://discuss.cubepilot.org/t/how-to-activate-dfu-mode-on-cube-orange/12704/5) we manage to find that the Here4 comes with a ST-LINK(JTAG/SWD) port and pads, located on the upper left side on the bottom part of the board. We then connected it to a ST-LINK v2 and using STM32Programmer we flashed the firmware and bootloader from [https://github.com/CubePilot/GNSSPeriph-release/releases/tag/v1.14.4](https://github.com/CubePilot/GNSSPeriph-release/releases/tag/v1.14.4), did a power cycle and the device regained functionality. ---
**Author:** ![Cybra](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/cybra/32/7553_2.png) [@Cybra](https://discuss.cubepilot.org/u/Cybra)\ **Post date:** [11 October 2024 09:13 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193/3 "2024-10-11T09:13:09Z")
Though the issue is solved, do you still remember which firmware you were using previously? You shouldn’t have to restart the node after updating. Is there any lights before you restart the node? ---
**Author:** ![Noel\_F\_Perez](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/noel_f_perez/32/8322_2.png) [@Noel\_F\_Perez](https://discuss.cubepilot.org/u/Noel_F_Perez)\ **Post date:** [24 October 2024 16:01 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193/4 "2024-10-24T16:01:37Z")
We were using the previous release, the 1.14.3. When restarted, the device LEDs glowed with white and flashed slowly, giving the impression that it was locked at bootloader and that the application part wasn’t starting. ---
**Author:** ![leighleighleigh](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/leighleighleigh/32/8830_2.png) [@leighleighleigh](https://discuss.cubepilot.org/u/leighleighleigh)\ **Post date:** [15 May 2025 04:41 UTC](https://discuss.cubepilot.org/t/here-4-stuck-at-white-lights-after-firmware-update/14193/5 "2025-05-15T04:41:35Z")
I have been trying to resolve this problem on a Here4 unit for a couple days now - no luck. It was brand new, and worked a handful of times without problem. Then one day we plugged it in and it was stuck on solid white LEDs. I can confirm it was running an older firmware, unsure which version though. I have tried flashing the ‘Here4\_FW.bin’ file with a JLINK adapter over SWD, and also tried flashing various `Here4AP_bl.bin` and `.elf` files that I’ve found online. No luck so far. Would greatly appreciate any suggestions!