No keyboard after firmwareupdate MI8 xiaomi.eu_multi_MI8_8.7.26_v10-8.1

[Ralfy]

After the first system startup after firmware update I have to activate my mobile phone with Xiaomi, in the Account Password Menu I can enter my password, but since still no WLAN is connected I come into the WLAN menu, can select also the WLAN however with the SID input I have none Keyboard and can not continue.
Please help

 

[Ralfy]

After the first system startup after firmware update I have to activate my mobile phone with Xiaomi, in the Account Password Menu I can enter my password, but since still no WLAN is connected I come into the WLAN menu, can select also the WLAN however with the SID input I have none Keyboard and can not continue.
Please help

Solution - WiFi network without password given freely.
Username entered, all the best