I did update and let him running for about 15min. After this time loading circle was still running 🤷♂️🤷♂️ left it for another 10min. No results. Switched off and on again. Tried update again. No result 🤷♂️🤷♂️
I tried factory reset, i tried upload firmware 3.3 again,switching router for more than 10min and try again. When try update again i can select firmware files but nothing happens