This is an unofficial phone.
Meaning, no tax was paid to the Bangladesh government when bringing the mobile in.
It has been brought from abroad, it is the Indian variant.
*This phone's Bangladeshi variant does not have 5G, but mine does.
*This phone's processor is MediaTek Dimensity 6300, 6 nanometers, which is used in phones costing 25-30 thousand taka. Currently, mobile phone prices are increasing a lot.