Please, recommend a good quality phone that has a good quality camera and memory space not less than 50k and not above 100K.

Xiaomi Redmi note 10. It's different from Xiaomi Redmi 10(it's very scarce now in market if not non existent sef but if u can lay ur hands on the 4gb ram 64gb storage then no probs)
Infinix note 11i(4gb ram 64gb storage 89k)
Tecno camon 18(4gb ram 128gb storage but it's 102k on slot website).it hasn't been confirmed sha but the tecno camon 18 may likely get android 12 update
The tecno and infinix I listed is not the best out there in terms of camera sha but it's above average and will serve u well. However,the Xiaomi Redmi note 10 is the best allrounder among the 3 phones

Annychibest:
Please, recommend a good quality phone that has a good quality camera and memory space not less than 50k and not above 100K.