NetworkError: GATT Server is disconnected. Cannot retrieve services. (Re)connect first with `device.gatt.connect`.

[viktor30]

THB1 - flashed successfully the hex file on it (v18) tried to do the OTA update trough the webpage, it finds and pairs with the device, but it seems to be disconnecting shortly

12:07:30 PM: Waiting for connection to THB1-FF1FA5
12:07:53 PM: NetworkError: Connection Error: Connection attempt failed.
12:07:53 PM: Reconnect 0 / 5
12:07:53 PM: Waiting for connection to THB1-FF1FA5
12:07:53 PM: Device is disconnected.
12:07:53 PM: NetworkError: GATT Server is disconnected. Cannot retrieve services. (Re)connect first with device.gatt.connect.
12:07:53 PM: Reconnect 1 / 5
12:07:53 PM: Waiting for connection to THB1-FF1FA5
12:07:55 PM: File: BOOT_THB1_v18.bin
12:07:55 PM: File id:PHY6, Segments: 1, Start: 0x"1FFF1838, : 49968
12:07:55 PM: Filesize: 49972 bytes
12:07:55 PM: Counter: 3124 blocks
12:08:12 PM: NetworkError: Connection Error: Connection attempt failed.
12:08:12 PM: Reconnect 2 / 5
12:08:12 PM: Waiting for connection to THB1-FF1FA5
12:08:12 PM: Device is disconnected.
12:08:12 PM: NetworkError: GATT Server is disconnected. Cannot retrieve services. (Re)connect first with device.gatt.connect.
12:08:12 PM: Reconnect 3 / 5
12:08:12 PM: Waiting for connection to THB1-FF1FA5
12:08:20 PM: NetworkError: Connection Error: Connection attempt failed.
12:08:20 PM: Reconnect 4 / 5
12:08:20 PM: Waiting for connection to THB1-FF1FA5
12:08:27 PM: NetworkError: Connection Error: Connection attempt failed.
12:08:27 PM: Connection failed!

I tried it on both Brave and Chrome both the same results

Any suggestions how to get trough this would be highly appreciated!